[ONOS] Cherry picked from master 1.7

Change-Id: I74a0c1634f9c425af2bcb646edc3d9170b3c087c

@@ -22,6 +22,7 @@
         <groupId>org.onosproject</groupId>
         <artifactId>onos-pce</artifactId>
         <version>1.6.0-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>onos-app-pce</artifactId>
     <packaging>bundle</packaging>

@@ -26,6 +26,12 @@ import java.util.Map;
 import java.util.Optional;
 import java.util.Map.Entry;
 import java.util.Set;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+
+import org.onlab.packet.Ethernet;
+import org.onlab.packet.IPv4;
 
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
@@ -35,6 +41,7 @@ import org.apache.felix.scr.annotations.ReferenceCardinality;
 import org.apache.felix.scr.annotations.Service;
 import org.onlab.packet.IpAddress;
 import org.onlab.packet.IpPrefix;
+import org.onlab.packet.TCP;
 import org.onlab.util.Bandwidth;
 import org.onosproject.core.ApplicationId;
 import org.onosproject.core.CoreService;
@@ -52,6 +59,7 @@ import org.onosproject.incubator.net.tunnel.TunnelId;
 import org.onosproject.incubator.net.tunnel.TunnelListener;
 import org.onosproject.incubator.net.tunnel.TunnelName;
 import org.onosproject.incubator.net.tunnel.TunnelService;
+import org.onosproject.mastership.MastershipService;
 import org.onosproject.net.DefaultAnnotations;
 import org.onosproject.net.DefaultAnnotations.Builder;
 import org.onosproject.net.Device;
@@ -63,6 +71,7 @@ import org.onosproject.net.flowobjective.FlowObjectiveService;
 import org.onosproject.net.flowobjective.Objective;
 import org.onosproject.net.intent.Constraint;
 import org.onosproject.net.intent.constraint.BandwidthConstraint;
+import org.onosproject.net.link.LinkEvent;
 import org.onosproject.pce.pceservice.constraint.CapabilityConstraint;
 import org.onosproject.pce.pceservice.constraint.CapabilityConstraint.CapabilityType;
 import org.onosproject.pce.pceservice.constraint.CostConstraint;
@@ -76,6 +85,9 @@ import org.onosproject.net.resource.Resources;
 import org.onosproject.net.topology.LinkWeight;
 import org.onosproject.net.topology.PathService;
 import org.onosproject.net.topology.TopologyEdge;
+import org.onosproject.net.topology.TopologyEvent;
+import org.onosproject.net.topology.TopologyListener;
+import org.onosproject.net.topology.TopologyService;
 import org.onosproject.pce.pceservice.api.PceService;
 import org.onosproject.pce.pcestore.PcePathInfo;
 import org.onosproject.pce.pcestore.PceccTunnelInfo;
@@ -131,6 +143,7 @@ public class PceManager implements PceService {
     private static final String TRUE = "true";
     private static final String FALSE = "false";
     private static final String END_OF_SYNC_IP_PREFIX = "0.0.0.0/32";
+    public static final int PCEP_PORT = 4189;
 
     private IdGenerator localLspIdIdGen;
     protected DistributedSet<Short> localLspIdFreeList;
@@ -171,12 +184,23 @@ public class PceManager implements PceService {
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected FlowObjectiveService flowObjectiveService;
 
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected MastershipService mastershipService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected TopologyService topologyService;
+
     private TunnelListener listener = new InnerTunnelListener();
     private BasicPceccHandler crHandler;
     private PceccSrTeBeHandler srTeHandler;
     private ApplicationId appId;
 
     private final PcepPacketProcessor processor = new PcepPacketProcessor();
+    private final TopologyListener topologyListener = new InternalTopologyListener();
+    private ScheduledExecutorService executor;
+
+    public static final int INITIAL_DELAY = 30;
+    public static final int PERIODIC_DELAY = 30;
 
     /**
      * Creates new instance of PceManager.
@@ -204,6 +228,10 @@ public class PceManager implements PceService {
                 .asDistributedSet();
 
         packetService.addProcessor(processor, PacketProcessor.director(4));
+        topologyService.addListener(topologyListener);
+        executor = Executors.newSingleThreadScheduledExecutor();
+        //Start a timer when the component is up, with initial delay of 30min and periodic delays at 30min
+        executor.scheduleAtFixedRate(new GlobalOptimizationTimer(), INITIAL_DELAY, PERIODIC_DELAY, TimeUnit.MINUTES);
         log.info("Started");
     }
 
@@ -211,6 +239,9 @@ public class PceManager implements PceService {
     protected void deactivate() {
         tunnelService.removeListener(listener);
         packetService.removeProcessor(processor);
+        topologyService.removeListener(topologyListener);
+        //Shutdown the thread when component is deactivated
+        executor.shutdown();
         log.info("Stopped");
     }
 
@@ -395,6 +426,7 @@ public class PceManager implements PceService {
         List<Link> links = tunnel.path().links();
         String lspSigType = tunnel.annotations().value(LSP_SIG_TYPE);
         double bwConstraintValue = 0;
+        String costType = null;
         SharedBandwidthConstraint shBwConstraint = null;
         BandwidthConstraint bwConstraint = null;
         CostConstraint costConstraint = null;
@@ -409,6 +441,7 @@ public class PceManager implements PceService {
                     bwConstraintValue = bwConstraint.bandwidth().bps();
                 } else if (constraint instanceof CostConstraint) {
                     costConstraint = (CostConstraint) constraint;
+                costType = costConstraint.type().name();
                 }
             }
 
@@ -454,6 +487,9 @@ public class PceManager implements PceService {
 
         Builder annotationBuilder = DefaultAnnotations.builder();
         annotationBuilder.set(BANDWIDTH, String.valueOf(bwConstraintValue));
+        if (costType != null) {
+            annotationBuilder.set(COST_TYPE, costType);
+        }
         annotationBuilder.set(LSP_SIG_TYPE, lspSigType);
         annotationBuilder.set(PCE_INIT, TRUE);
         annotationBuilder.set(DELEGATE, TRUE);
@@ -594,6 +630,64 @@ public class PceManager implements PceService {
         }
     }
 
+    //TODO: annotations used for temporarily later projection/network config will be used
+    private class InternalTopologyListener implements TopologyListener {
+       @Override
+        public void event(TopologyEvent event) {
+             event.reasons().forEach(e -> {
+                //If event type is link removed, get the impacted tunnel
+                if (e instanceof LinkEvent) {
+                    LinkEvent linkEvent = (LinkEvent) e;
+                    if (linkEvent.type() == LinkEvent.Type.LINK_REMOVED) {
+                        tunnelService.queryTunnel(MPLS).forEach(t -> {
+                                if (t.path().links().contains((e.subject()))) {
+                                    // Check whether this ONOS instance is master for ingress device if yes,
+                                    // recompute and send update
+                                    checkForMasterAndUpdateTunnel(t.path().src().deviceId(), t);
+                                }
+                        });
+                    }
+                }
+                });
+        }
+    }
+
+    private boolean checkForMasterAndUpdateTunnel(DeviceId src, Tunnel tunnel) {
+        /**
+         * Master of ingress node will recompute and also delegation flag must be set.
+         */
+        if (mastershipService.isLocalMaster(src)
+                && Boolean.valueOf(tunnel.annotations().value(DELEGATE)) != null) {
+            LinkedList<Constraint> constraintList = new LinkedList<>();
+
+            if (tunnel.annotations().value(BANDWIDTH) != null) {
+                //Requested bandwidth will be same as previous allocated bandwidth for the tunnel
+                BandwidthConstraint localConst = new BandwidthConstraint(Bandwidth.bps(Double.parseDouble(tunnel
+                        .annotations().value(BANDWIDTH))));
+                constraintList.add(localConst);
+            }
+            if (tunnel.annotations().value(COST_TYPE) != null) {
+                constraintList.add(CostConstraint.of(CostConstraint.Type.valueOf(tunnel.annotations().value(
+                        COST_TYPE))));
+            }
+
+            /*
+             * If tunnel was UP after recomputation failed then store failed path in PCE store send PCIntiate(remove)
+             * and If tunnel is failed and computation fails nothing to do because tunnel status will be same[Failed]
+             */
+            if (!updatePath(tunnel.tunnelId(), constraintList) && !tunnel.state().equals(Tunnel.State.FAILED)) {
+                // If updation fails store in PCE store as failed path
+                // then PCInitiate (Remove)
+                pceStore.addFailedPathInfo(new PcePathInfo(tunnel.path().src().deviceId(), tunnel
+                        .path().dst().deviceId(), tunnel.tunnelName().value(), constraintList,
+                        LspType.valueOf(tunnel.annotations().value(LSP_SIG_TYPE))));
+                //Release that tunnel calling PCInitiate
+                releasePath(tunnel.tunnelId());
+            }
+        }
+
+        return false;
+    }
 
      // Allocates the bandwidth locally for PCECC tunnels.
     private TunnelConsumerId reserveBandwidth(Path computedPath, double bandwidthConstraint,
@@ -860,14 +954,72 @@ public class PceManager implements PceService {
         public void process(PacketContext context) {
             // Stop processing if the packet has been handled, since we
             // can't do any more to it.
-
             if (context.isHandled()) {
                 return;
             }
 
             InboundPacket pkt = context.inPacket();
+            if (pkt == null) {
+                return;
+            }
+
+            Ethernet ethernet = pkt.parsed();
+            if (ethernet == null || ethernet.getEtherType() != Ethernet.TYPE_IPV4) {
+                return;
+            }
+
+            IPv4 ipPacket = (IPv4) ethernet.getPayload();
+            if (ipPacket == null || ipPacket.getProtocol() != IPv4.PROTOCOL_TCP) {
+                return;
+            }
+
+            TCP tcp = (TCP) ipPacket.getPayload();
+            if (tcp == null || tcp.getDestinationPort() != PCEP_PORT) {
+                return;
+            }
+
             syncLabelDb(pkt.receivedFrom().deviceId());
         }
     }
 
+    //Computes path from tunnel store and also path failed to setup.
+    private void callForOptimization() {
+        //Recompute the LSPs which it was delegated [LSPs stored in PCE store (failed paths)]
+        for (PcePathInfo failedPathInfo : pceStore.getFailedPathInfos()) {
+            checkForMasterAndSetupPath(failedPathInfo);
+        }
+
+        //Recompute the LSPs for which it was delegated [LSPs stored in tunnel store]
+        tunnelService.queryTunnel(MPLS).forEach(t -> {
+        checkForMasterAndUpdateTunnel(t.path().src().deviceId(), t);
+        });
+    }
+
+    private boolean checkForMasterAndSetupPath(PcePathInfo failedPathInfo) {
+        /**
+         * Master of ingress node will setup the path failed stored in PCE store.
+         */
+        if (mastershipService.isLocalMaster(failedPathInfo.src())) {
+            if (setupPath(failedPathInfo.src(), failedPathInfo.dst(), failedPathInfo.name(),
+                    failedPathInfo.constraints(), failedPathInfo.lspType())) {
+                // If computation is success remove that path
+                pceStore.removeFailedPathInfo(failedPathInfo);
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    //Timer to call global optimization
+    private class GlobalOptimizationTimer implements Runnable {
+
+        public GlobalOptimizationTimer() {
+        }
+
+        @Override
+        public void run() {
+            callForOptimization();
+        }
+    }
 }
\ No newline at end of file

@@ -19,7 +19,6 @@ import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.is;
 import static org.hamcrest.Matchers.notNullValue;
 import static org.hamcrest.Matchers.nullValue;
-
 import static org.onosproject.net.Link.Type.DIRECT;
 
 import java.util.Iterator;
@@ -29,7 +28,6 @@ import java.util.LinkedList;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
-
 import org.onlab.packet.IpAddress;
 import org.onosproject.core.ApplicationId;
 import org.onosproject.core.CoreService;
@@ -165,6 +163,7 @@ public class BasicPceccHandlerTest {
 
     @After
     public void tearDown() throws Exception {
+        PceManagerTest.flowsDownloaded = 0;
     }
 
     /**

@@ -15,13 +15,17 @@ import static org.onosproject.pce.pceservice.PathComputationTest.D1;
 import static org.onosproject.pce.pceservice.PathComputationTest.D2;
 import static org.onosproject.pce.pceservice.PathComputationTest.D3;
 import static org.onosproject.pce.pceservice.PathComputationTest.D4;
+import static org.onosproject.pce.pceservice.PathComputationTest.DEVICE1;
+import static org.onosproject.pce.pceservice.PathComputationTest.DEVICE2;
+import static org.onosproject.pce.pceservice.PathComputationTest.DEVICE3;
+import static org.onosproject.pce.pceservice.PathComputationTest.DEVICE4;
 import static org.onosproject.pce.pceservice.PcepAnnotationKeys.LOCAL_LSP_ID;
 import static org.onosproject.pce.pceservice.PcepAnnotationKeys.PLSP_ID;
 import static org.onosproject.incubator.net.tunnel.Tunnel.State.UNSTABLE;
 import static org.onosproject.incubator.net.tunnel.Tunnel.State.ESTABLISHED;
+import static org.onosproject.net.MastershipRole.MASTER;
 
 import java.net.URISyntaxException;
-import java.nio.ByteBuffer;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
@@ -35,14 +39,18 @@ import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.onlab.graph.GraphPathSearch;
+import org.onlab.junit.TestUtils;
+import org.onlab.junit.TestUtils.TestUtilsException;
 import org.onlab.packet.Ethernet;
 import org.onlab.packet.IPv4;
+import org.onlab.packet.TCP;
 import org.onlab.util.Bandwidth;
 import org.onosproject.common.DefaultTopologyGraph;
 import org.onosproject.core.ApplicationId;
 import org.onosproject.core.CoreServiceAdapter;
 import org.onosproject.core.DefaultApplicationId;
 import org.onosproject.core.IdGenerator;
+import org.onosproject.event.Event;
 import org.onosproject.incubator.net.resource.label.LabelResourceId;
 import org.onosproject.incubator.net.resource.label.LabelResourceService;
 import org.onosproject.incubator.net.tunnel.DefaultTunnel;
@@ -52,6 +60,7 @@ import org.onosproject.incubator.net.tunnel.TunnelEndPoint;
 import org.onosproject.incubator.net.tunnel.TunnelEvent;
 import org.onosproject.incubator.net.tunnel.TunnelId;
 import org.onosproject.incubator.net.tunnel.TunnelListener;
+import org.onosproject.mastership.MastershipServiceAdapter;
 import org.onosproject.net.AnnotationKeys;
 import org.onosproject.net.Annotations;
 import org.onosproject.net.ConnectPoint;
@@ -60,6 +69,7 @@ import org.onosproject.net.DefaultDevice;
 import org.onosproject.net.DefaultLink;
 import org.onosproject.net.Device;
 import org.onosproject.net.DefaultAnnotations.Builder;
+import org.onosproject.net.MastershipRole;
 import org.onosproject.net.device.DeviceServiceAdapter;
 import org.onosproject.net.flowobjective.ForwardingObjective;
 import org.onosproject.net.DeviceId;
@@ -71,6 +81,7 @@ import org.onosproject.net.SparseAnnotations;
 import org.onosproject.net.intent.Constraint;
 import org.onosproject.net.intent.IntentId;
 import org.onosproject.net.intent.constraint.BandwidthConstraint;
+import org.onosproject.net.link.LinkEvent;
 import org.onosproject.net.packet.DefaultInboundPacket;
 import org.onosproject.net.packet.DefaultPacketContext;
 import org.onosproject.net.packet.InboundPacket;
@@ -86,7 +97,9 @@ import org.onosproject.net.topology.LinkWeight;
 import org.onosproject.net.topology.PathServiceAdapter;
 import org.onosproject.net.topology.Topology;
 import org.onosproject.net.topology.TopologyEdge;
+import org.onosproject.net.topology.TopologyEvent;
 import org.onosproject.net.topology.TopologyGraph;
+import org.onosproject.net.topology.TopologyListener;
 import org.onosproject.net.topology.TopologyServiceAdapter;
 import org.onosproject.net.topology.TopologyVertex;
 import org.onosproject.pce.pceservice.PathComputationTest.MockPathResourceService;
@@ -97,7 +110,9 @@ import org.onosproject.pce.util.PceStoreAdapter;
 import org.onosproject.pce.util.TunnelServiceAdapter;
 import org.onosproject.pce.util.FlowObjServiceAdapter;
 import org.onosproject.store.service.TestStorageService;
+
 import com.google.common.collect.ImmutableSet;
+import static org.onosproject.pce.pceservice.PceManager.PCEP_PORT;
 
 /**
  * Tests the functions of PceManager.
@@ -107,6 +122,7 @@ public class PceManagerTest {
     private PathComputationTest pathCompTest = new PathComputationTest();
     private MockPathResourceService resourceService = pathCompTest.new MockPathResourceService();
     private MockTopologyService topologyService = new MockTopologyService();
+    private MockMastershipService mastershipService = new MockMastershipService();
     private MockPathService pathService = new MockPathService();
     private PceManager pceManager = new PceManager();
     private MockCoreService coreService = new MockCoreService();
@@ -129,13 +145,19 @@ public class PceManagerTest {
     private Device deviceD1, deviceD2, deviceD3, deviceD4;
     private Device pcepDeviceD1, pcepDeviceD2, pcepDeviceD3, pcepDeviceD4;
     private Link link1, link2, link3, link4;
-    private static int flowsDownloaded;
+    protected static int flowsDownloaded;
     private TunnelListener tunnelListener;
+    private TopologyListener listener;
+    private Topology topology;
+    private Set<TopologyEdge> edges;
+    private Set<TopologyVertex> vertexes;
 
     @Before
-    public void startUp() {
+    public void startUp() throws TestUtilsException {
+        listener = TestUtils.getField(pceManager, "topologyListener");
         pceManager.pathService = pathService;
         pceManager.resourceService = resourceService;
+        pceManager.topologyService = topologyService;
         pceManager.tunnelService = tunnelService;
         pceManager.coreService = coreService;
         pceManager.storageService = storageService;
@@ -144,34 +166,52 @@ public class PceManagerTest {
         pceManager.labelRsrcService = labelResourceService;
         pceManager.flowObjectiveService = flowObjectiveService;
         pceManager.pceStore = pceStore;
+        pceManager.mastershipService = mastershipService;
         pceManager.activate();
     }
 
+    private class MockMastershipService extends MastershipServiceAdapter {
+        @Override
+        public MastershipRole getLocalRole(DeviceId deviceId) {
+            return MASTER;
+        }
+
+        @Override
+        public boolean isLocalMaster(DeviceId deviceId) {
+            return getLocalRole(deviceId) == MASTER;
+        }
+    }
+
     private void build4RouterTopo(boolean setCost, boolean setPceccCap, boolean setSrCap,
                                  boolean setLabelStackCap, int bandwidth) {
+        link1 = PathComputationTest.addLink(DEVICE1, 10, DEVICE2, 20, setCost, 50);
+        link2 = PathComputationTest.addLink(DEVICE2, 30, DEVICE4, 40, setCost, 20);
+        link3 = PathComputationTest.addLink(DEVICE1, 80, DEVICE3, 70, setCost, 100);
+        link4 = PathComputationTest.addLink(DEVICE3, 60, DEVICE4, 50, setCost, 80);
+
         Set<TopologyVertex> vertexes = new HashSet<TopologyVertex>();
         vertexes.add(D1);
         vertexes.add(D2);
         vertexes.add(D3);
         vertexes.add(D4);
 
+        this.vertexes = vertexes;
+
         Set<TopologyEdge> edges = new HashSet<TopologyEdge>();
-        link1 = PathComputationTest.addLink(D1.deviceId().toString(), 10, D2.deviceId().toString(), 20, setCost, 50);
         TopologyEdge edge1 = new DefaultTopologyEdge(D1, D2, link1);
         edges.add(edge1);
 
-        link2 = PathComputationTest.addLink(D2.deviceId().toString(), 30, D4.deviceId().toString(), 40, setCost, 20);
         TopologyEdge edge2 = new DefaultTopologyEdge(D2, D4, link2);
         edges.add(edge2);
 
-        link3 = PathComputationTest.addLink(D1.deviceId().toString(), 80, D3.deviceId().toString(), 70, setCost, 100);
         TopologyEdge edge3 = new DefaultTopologyEdge(D1, D3, link3);
         edges.add(edge3);
 
-        link4 = PathComputationTest.addLink(D3.deviceId().toString(), 60, D4.deviceId().toString(), 50, setCost, 80);
         TopologyEdge edge4 = new DefaultTopologyEdge(D3, D4, link4);
         edges.add(edge4);
 
+        this.edges = edges;
+
         graph = new DefaultTopologyGraph(vertexes, edges);
 
         DefaultAnnotations.Builder builderDev1 = DefaultAnnotations.builder();
@@ -636,21 +676,18 @@ public class PceManagerTest {
      * Tests packet in to trigger label DB sync.
      */
     @Test
-    public void packetProcessingTest() throws URISyntaxException {
+    public void packetProcessingTest1() throws URISyntaxException {
 
         build4RouterTopo(false, true, true, true, 0); // This also initializes devices etc.
 
-        final int srcHost = 2;
-        final int dstHost = 5;
-
         LabelResourceId node1Label = LabelResourceId.labelResourceId(5200);
         LabelResourceId node2Label = LabelResourceId.labelResourceId(5201);
 
         pceManager.pceStore.addGlobalNodeLabel(D1.deviceId(), node1Label);
         pceManager.pceStore.addGlobalNodeLabel(D2.deviceId(), node2Label);
 
-        ConnectPoint src = new ConnectPoint(D1.deviceId(), PortNumber.portNumber(srcHost));
-        ConnectPoint dst = new ConnectPoint(D2.deviceId(), PortNumber.portNumber(dstHost));
+        ConnectPoint src = new ConnectPoint(D1.deviceId(), PortNumber.portNumber(1));
+        ConnectPoint dst = new ConnectPoint(D2.deviceId(), PortNumber.portNumber(2));
 
         Link link1 = DefaultLink.builder().src(src).dst(dst).state(ACTIVE).type(DIRECT)
                 .providerId(new ProviderId("eth", "1")).build();
@@ -658,24 +695,66 @@ public class PceManagerTest {
         LabelResourceId link1Label = LabelResourceId.labelResourceId(5204);
         pceManager.pceStore.addAdjLabel(link1, link1Label);
 
-        Ethernet eth;
-        IPv4 ipv4;
+        TCP tcp = new TCP();
+        tcp.setDestinationPort(PCEP_PORT);
+
+        IPv4 ipv4 = new IPv4();
+        ipv4.setProtocol(IPv4.PROTOCOL_TCP);
+        ipv4.setPayload(tcp);
 
-        ipv4 = new IPv4();
-        eth = new Ethernet();
+        Ethernet eth = new Ethernet();
         eth.setEtherType(Ethernet.TYPE_IPV4);
         eth.setPayload(ipv4);
 
-        eth.setSourceMACAddress("00:00:00:10:00:0" + srcHost).setDestinationMACAddress("00:00:00:10:00:0" + dstHost);
-
-        InboundPacket inPkt = new DefaultInboundPacket(new ConnectPoint(D1.deviceId(), PortNumber.portNumber(srcHost)),
-                                                       eth, ByteBuffer.wrap(eth.serialize()));
+        InboundPacket inPkt = new DefaultInboundPacket(new ConnectPoint(D1.deviceId(),
+                                                                        PortNumber.portNumber(PCEP_PORT)),
+                                                       eth, null);
 
         pktProcessor.process(new MockPcepPacketContext(inPkt, null));
         assertThat(flowsDownloaded, is(4));
     }
 
     /**
+     * Tests faulty packet in to trigger label DB sync.
+     */
+    @Test
+    public void packetProcessingTest2() throws URISyntaxException {
+
+        build4RouterTopo(false, true, true, true, 0); // This also initializes devices etc.
+
+        LabelResourceId node1Label = LabelResourceId.labelResourceId(5200);
+        LabelResourceId node2Label = LabelResourceId.labelResourceId(5201);
+
+        pceManager.pceStore.addGlobalNodeLabel(D1.deviceId(), node1Label);
+        pceManager.pceStore.addGlobalNodeLabel(D2.deviceId(), node2Label);
+
+        ConnectPoint src = new ConnectPoint(D1.deviceId(), PortNumber.portNumber(1));
+        ConnectPoint dst = new ConnectPoint(D2.deviceId(), PortNumber.portNumber(2));
+
+        Link link1 = DefaultLink.builder().src(src).dst(dst).state(ACTIVE).type(DIRECT)
+                .providerId(new ProviderId("eth", "1")).build();
+
+        LabelResourceId link1Label = LabelResourceId.labelResourceId(5204);
+        pceManager.pceStore.addAdjLabel(link1, link1Label);
+
+        TCP tcp = new TCP(); // Not set the pcep port.
+        IPv4 ipv4 = new IPv4();
+        ipv4.setProtocol(IPv4.PROTOCOL_TCP);
+        ipv4.setPayload(tcp);
+
+        Ethernet eth = new Ethernet();
+        eth.setEtherType(Ethernet.TYPE_IPV4);
+        eth.setPayload(ipv4);
+
+        InboundPacket inPkt = new DefaultInboundPacket(new ConnectPoint(D1.deviceId(),
+                                                                        PortNumber.portNumber(PCEP_PORT)),
+                                                       eth, null);
+
+        pktProcessor.process(new MockPcepPacketContext(inPkt, null));
+        assertThat(flowsDownloaded, is(0));
+    }
+
+    /**
      * Tests tunnel events added and removed.
      */
     @Test
@@ -800,6 +879,390 @@ public class PceManagerTest {
         assertThat(pceStore.getFailedPathInfoCount(), is(1));
     }
 
+    /**
+     * Tests resilency when L2 link is down.
+     */
+    @Test
+    public void resilencyTest1() {
+        build4RouterTopo(true, false, false, false, 10);
+
+
+        List<Constraint> constraints = new LinkedList<Constraint>();
+        CostConstraint costConstraint = new CostConstraint(COST);
+        constraints.add(costConstraint);
+        BandwidthConstraint localBwConst = new BandwidthConstraint(Bandwidth.bps(10));
+        constraints.add(localBwConst);
+
+        //Setup the path , tunnel created
+        boolean result = pceManager.setupPath(D1.deviceId(), D4.deviceId(), "T123", constraints, WITH_SIGNALLING);
+        assertThat(result, is(true));
+        assertThat(pceStore.getTunnelInfoCount(), is(1));
+        assertThat(pceStore.getFailedPathInfoCount(), is(0));
+
+        List<Event> reasons = new LinkedList<>();
+        final LinkEvent linkEvent = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link2);
+        reasons.add(linkEvent);
+        final TopologyEvent event = new TopologyEvent(
+                TopologyEvent.Type.TOPOLOGY_CHANGED,
+                topology,
+                reasons);
+
+        //Change Topology : remove link2
+        Set<TopologyEdge> tempEdges = new HashSet<>();
+        tempEdges.add(new DefaultTopologyEdge(D2, D4, link2));
+        topologyService.changeInTopology(getGraph(null,  tempEdges));
+        listener.event(event);
+
+        List<Link> links = new LinkedList<>();
+        links.add(link3);
+        links.add(link4);
+
+        //Path is D1-D3-D4
+        assertThat(pathService.paths().iterator().next().links(), is(links));
+        assertThat(pathService.paths().iterator().next().cost(), is((double) 180));
+    }
+
+    /**
+     * Tests resilency when L2 and L4 link is down.
+     */
+    @Test
+    public void resilencyTest2() {
+        build4RouterTopo(true, false, false, false, 10);
+
+        List<Constraint> constraints = new LinkedList<Constraint>();
+        CostConstraint costConstraint = new CostConstraint(COST);
+        constraints.add(costConstraint);
+        BandwidthConstraint localBwConst = new BandwidthConstraint(Bandwidth.bps(10));
+        constraints.add(localBwConst);
+
+        //Setup the path , tunnel created
+        boolean result = pceManager.setupPath(D1.deviceId(), D4.deviceId(), "T123", constraints, WITH_SIGNALLING);
+        assertThat(result, is(true));
+
+        List<Event> reasons = new LinkedList<>();
+        LinkEvent linkEvent = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link2);
+        reasons.add(linkEvent);
+        linkEvent = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link4);
+        reasons.add(linkEvent);
+        final TopologyEvent event = new TopologyEvent(
+                TopologyEvent.Type.TOPOLOGY_CHANGED,
+                topology,
+                reasons);
+
+        //Change Topology : remove link2 and link4
+        Set<TopologyEdge> tempEdges = new HashSet<>();
+        tempEdges.add(new DefaultTopologyEdge(D2, D4, link2));
+        tempEdges.add(new DefaultTopologyEdge(D3, D4, link4));
+        topologyService.changeInTopology(getGraph(null,  tempEdges));
+        listener.event(event);
+
+        //No Path
+        assertThat(pathService.paths().size(), is(0));
+    }
+
+    /**
+     * Tests resilency when D2 device is down.
+     */
+    @Test
+    public void resilencyTest3() {
+        build4RouterTopo(true, false, false, false, 10);
+
+        List<Constraint> constraints = new LinkedList<Constraint>();
+        CostConstraint costConstraint = new CostConstraint(COST);
+        constraints.add(costConstraint);
+        BandwidthConstraint localBwConst = new BandwidthConstraint(Bandwidth.bps(10));
+        constraints.add(localBwConst);
+
+        //Setup the path , tunnel created
+        boolean result = pceManager.setupPath(D1.deviceId(), D4.deviceId(), "T123", constraints, WITH_SIGNALLING);
+        assertThat(result, is(true));
+
+        List<Event> reasons = new LinkedList<>();
+        LinkEvent linkEvent = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link2);
+        reasons.add(linkEvent);
+        linkEvent = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link1);
+        reasons.add(linkEvent);
+        final TopologyEvent event = new TopologyEvent(
+                TopologyEvent.Type.TOPOLOGY_CHANGED,
+                topology,
+                reasons);
+
+        //Change Topology : remove link2 and link1
+        Set<TopologyEdge> tempEdges = new HashSet<>();
+        tempEdges.add(new DefaultTopologyEdge(D2, D4, link2));
+        tempEdges.add(new DefaultTopologyEdge(D1, D2, link1));
+        topologyService.changeInTopology(getGraph(null,  tempEdges));
+        listener.event(event);
+
+        List<Link> links = new LinkedList<>();
+        links.add(link3);
+        links.add(link4);
+
+        //Path is D1-D3-D4
+        assertThat(pathService.paths().iterator().next().links(), is(links));
+        assertThat(pathService.paths().iterator().next().cost(), is((double) 180));
+    }
+
+    /**
+     * Tests resilency when ingress device is down.
+     */
+    @Test
+    public void resilencyTest4() {
+        build4RouterTopo(true, false, false, false, 10);
+
+        List<Constraint> constraints = new LinkedList<Constraint>();
+        CostConstraint costConstraint = new CostConstraint(COST);
+        constraints.add(costConstraint);
+        BandwidthConstraint localBwConst = new BandwidthConstraint(Bandwidth.bps(10));
+        constraints.add(localBwConst);
+
+        //Setup the path , tunnel created
+        boolean result = pceManager.setupPath(D1.deviceId(), D4.deviceId(), "T123", constraints, WITH_SIGNALLING);
+        assertThat(result, is(true));
+
+        List<Event> reasons = new LinkedList<>();
+        LinkEvent linkEvent = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link3);
+        reasons.add(linkEvent);
+        linkEvent = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link1);
+        reasons.add(linkEvent);
+        final TopologyEvent event = new TopologyEvent(
+                TopologyEvent.Type.TOPOLOGY_CHANGED,
+                topology,
+                reasons);
+
+        //Change Topology : remove link2 and link1
+        Set<TopologyEdge> tempEdges = new HashSet<>();
+        tempEdges.add(new DefaultTopologyEdge(D1, D3, link3));
+        tempEdges.add(new DefaultTopologyEdge(D1, D2, link1));
+        topologyService.changeInTopology(getGraph(null,  tempEdges));
+        listener.event(event);
+
+        //No path
+        assertThat(pathService.paths().size(), is(0));
+    }
+
+    /**
+     * Tests resilency when D2 and D3 devices are down.
+     */
+    @Test
+    public void resilencyTest5() {
+        build4RouterTopo(true, false, false, false, 10);
+
+        List<Constraint> constraints = new LinkedList<Constraint>();
+        CostConstraint costConstraint = new CostConstraint(COST);
+        constraints.add(costConstraint);
+        BandwidthConstraint localBwConst = new BandwidthConstraint(Bandwidth.bps(10));
+        constraints.add(localBwConst);
+
+        //Setup the path , tunnel created
+        boolean result = pceManager.setupPath(D1.deviceId(), D4.deviceId(), "T123", constraints, WITH_SIGNALLING);
+        assertThat(result, is(true));
+
+        List<Event> reasons = new LinkedList<>();
+        LinkEvent linkEvent = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link2);
+        reasons.add(linkEvent);
+        linkEvent = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link1);
+        reasons.add(linkEvent);
+        linkEvent = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link3);
+        reasons.add(linkEvent);
+        linkEvent = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link4);
+        reasons.add(linkEvent);
+
+        final TopologyEvent event = new TopologyEvent(
+                TopologyEvent.Type.TOPOLOGY_CHANGED,
+                topology,
+                reasons);
+
+        //Change Topology : remove device2, device3 and all links
+        Set<TopologyEdge> tempEdges = new HashSet<>();
+        tempEdges.add(new DefaultTopologyEdge(D1, D2, link1));
+        tempEdges.add(new DefaultTopologyEdge(D2, D4, link2));
+        tempEdges.add(new DefaultTopologyEdge(D1, D3, link3));
+        tempEdges.add(new DefaultTopologyEdge(D3, D4, link4));
+        Set<TopologyVertex> tempVertexes = new HashSet<>();
+        tempVertexes.add(D2);
+        tempVertexes.add(D3);
+        topologyService.changeInTopology(getGraph(tempVertexes, tempEdges));
+        listener.event(event);
+
+        //No path
+        assertThat(pathService.paths().size(), is(0));
+    }
+
+    /**
+     * Tests resilency when egress device is down.
+     */
+    @Test
+    public void resilencyTest6() {
+        build4RouterTopo(true, false, false, false, 10);
+
+        List<Constraint> constraints = new LinkedList<Constraint>();
+        CostConstraint costConstraint = new CostConstraint(COST);
+        constraints.add(costConstraint);
+        BandwidthConstraint localBwConst = new BandwidthConstraint(Bandwidth.bps(10));
+        constraints.add(localBwConst);
+
+        //Setup the path , tunnel created
+        boolean result = pceManager.setupPath(D1.deviceId(), D4.deviceId(), "T123", constraints, WITH_SIGNALLING);
+        assertThat(result, is(true));
+
+        List<Event> reasons = new LinkedList<>();
+        LinkEvent linkEvent = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link2);
+        reasons.add(linkEvent);
+        linkEvent = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link4);
+        reasons.add(linkEvent);
+
+        final TopologyEvent event = new TopologyEvent(
+                TopologyEvent.Type.TOPOLOGY_CHANGED,
+                topology,
+                reasons);
+
+        //Change Topology : remove device4 , link2 and link4
+        Set<TopologyEdge> tempEdges = new HashSet<>();
+        tempEdges.add(new DefaultTopologyEdge(D2, D4, link2));
+        tempEdges.add(new DefaultTopologyEdge(D3, D4, link4));
+        Set<TopologyVertex> tempVertexes = new HashSet<>();
+        tempVertexes.add(D4);
+        topologyService.changeInTopology(getGraph(tempVertexes, tempEdges));
+        listener.event(event);
+
+        //No path
+        assertThat(pathService.paths().size(), is(0));
+    }
+
+    /**
+     * Tests resilency when egress device is down.
+     */
+    @Test
+    public void resilencyTest7() {
+        build4RouterTopo(true, false, false, false, 10);
+
+        List<Constraint> constraints = new LinkedList<Constraint>();
+        CostConstraint costConstraint = new CostConstraint(COST);
+        constraints.add(costConstraint);
+        BandwidthConstraint localBwConst = new BandwidthConstraint(Bandwidth.bps(10));
+        constraints.add(localBwConst);
+
+        //Setup the path , tunnel created
+        boolean result = pceManager.setupPath(D1.deviceId(), D4.deviceId(), "T123", constraints, WITH_SIGNALLING);
+        assertThat(result, is(true));
+
+        List<Event> reasons = new LinkedList<>();
+        LinkEvent linkEvent = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link2);
+        reasons.add(linkEvent);
+        linkEvent = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link4);
+        reasons.add(linkEvent);
+
+        final TopologyEvent event = new TopologyEvent(
+                TopologyEvent.Type.TOPOLOGY_CHANGED,
+                topology,
+                reasons);
+
+        //Change Topology : remove device4 , link2 and link4
+        Set<TopologyEdge> tempEdges = new HashSet<>();
+        tempEdges.add(new DefaultTopologyEdge(D2, D4, link2));
+        tempEdges.add(new DefaultTopologyEdge(D3, D4, link4));
+        Set<TopologyVertex> tempVertexes = new HashSet<>();
+        tempVertexes.add(D4);
+        topologyService.changeInTopology(getGraph(tempVertexes, tempEdges));
+        listener.event(event);
+
+        //No path
+        assertThat(pathService.paths().size(), is(0));
+    }
+
+    /**
+     * Tests resilency when D2 device is suspended.
+     */
+    @Test
+    public void resilencyTest8() {
+        build4RouterTopo(true, false, false, false, 10);
+
+        List<Constraint> constraints = new LinkedList<Constraint>();
+        CostConstraint costConstraint = new CostConstraint(COST);
+        constraints.add(costConstraint);
+        BandwidthConstraint localBwConst = new BandwidthConstraint(Bandwidth.bps(10));
+        constraints.add(localBwConst);
+
+        //Setup the path , tunnel created
+        boolean result = pceManager.setupPath(D1.deviceId(), D4.deviceId(), "T123", constraints, WITH_SIGNALLING);
+        assertThat(result, is(true));
+
+        List<Event> reasons = new LinkedList<>();
+        LinkEvent linkEvent = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link1);
+        reasons.add(linkEvent);
+        linkEvent = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link2);
+        reasons.add(linkEvent);
+
+        final TopologyEvent event = new TopologyEvent(
+                TopologyEvent.Type.TOPOLOGY_CHANGED,
+                topology,
+                reasons);
+
+        //Change Topology : remove device2 , link1 and link2
+        Set<TopologyEdge> tempEdges = new HashSet<>();
+        tempEdges.add(new DefaultTopologyEdge(D1, D2, link1));
+        tempEdges.add(new DefaultTopologyEdge(D2, D4, link2));
+        Set<TopologyVertex> tempVertexes = new HashSet<>();
+        tempVertexes.add(D2);
+        topologyService.changeInTopology(getGraph(tempVertexes, tempEdges));
+        listener.event(event);
+
+        List<Link> links = new LinkedList<>();
+        links.add(link3);
+        links.add(link4);
+
+        //Path is D1-D3-D4
+        assertThat(pathService.paths().iterator().next().links(), is(links));
+        assertThat(pathService.paths().iterator().next().cost(), is((double) 180));
+    }
+
+    /**
+     * Tests resilency when D2 device availability is changed.
+     */
+    @Test
+    public void resilencyTest11() {
+        build4RouterTopo(true, false, false, false, 10);
+
+        List<Constraint> constraints = new LinkedList<Constraint>();
+        CostConstraint costConstraint = new CostConstraint(COST);
+        constraints.add(costConstraint);
+        BandwidthConstraint localBwConst = new BandwidthConstraint(Bandwidth.bps(10));
+        constraints.add(localBwConst);
+
+        //Setup the path , tunnel created
+        boolean result = pceManager.setupPath(D1.deviceId(), D4.deviceId(), "T123", constraints, WITH_SIGNALLING);
+        assertThat(result, is(true));
+
+        List<Event> reasons = new LinkedList<>();
+        LinkEvent linkEvent = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link1);
+        reasons.add(linkEvent);
+        linkEvent = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link2);
+        reasons.add(linkEvent);
+
+        final TopologyEvent event = new TopologyEvent(
+                TopologyEvent.Type.TOPOLOGY_CHANGED,
+                topology,
+                reasons);
+
+        //Change Topology : remove device2 , link1 and link2
+        Set<TopologyEdge> tempEdges = new HashSet<>();
+        tempEdges.add(new DefaultTopologyEdge(D1, D2, link1));
+        tempEdges.add(new DefaultTopologyEdge(D2, D4, link2));
+        Set<TopologyVertex> tempVertexes = new HashSet<>();
+        tempVertexes.add(D2);
+        topologyService.changeInTopology(getGraph(tempVertexes, tempEdges));
+        listener.event(event);
+
+        List<Link> links = new LinkedList<>();
+        links.add(link3);
+        links.add(link4);
+
+        //Path is D1-D3-D4
+        assertThat(pathService.paths().iterator().next().links(), is(links));
+        assertThat(pathService.paths().iterator().next().cost(), is((double) 180));
+    }
+
     @After
     public void tearDown() {
         pceManager.deactivate();
@@ -813,10 +1276,16 @@ public class PceManagerTest {
         pceManager.labelRsrcService = null;
         pceManager.flowObjectiveService = null;
         pceManager.pceStore = null;
+        pceManager.topologyService = null;
+        pceManager.mastershipService = null;
         flowsDownloaded = 0;
     }
 
     private class MockTopologyService extends TopologyServiceAdapter {
+        private void changeInTopology(TopologyGraph graphModified) {
+            graph = graphModified;
+        }
+
         @Override
         public Set<Path> getPaths(Topology topology, DeviceId src, DeviceId dst, LinkWeight weight) {
             DefaultTopologyVertex srcV = new DefaultTopologyVertex(src);
@@ -837,8 +1306,27 @@ public class PceManagerTest {
         }
     }
 
-    private class MockPathService extends PathServiceAdapter {
+    private TopologyGraph getGraph(Set<TopologyVertex> removedVertex, Set<TopologyEdge> removedEdges) {
+        if (removedVertex != null) {
+            vertexes.remove(removedVertex);
+            removedVertex.forEach(v ->
+            {
+                vertexes.remove(v);
+            });
+        }
+
+        if (removedEdges != null) {
+            removedEdges.forEach(e ->
+            {
+                edges.remove(e);
+            });
+        }
+
+        return new DefaultTopologyGraph(vertexes, edges);
+    }
 
+    private class MockPathService extends PathServiceAdapter {
+        Set<Path> computedPaths;
         @Override
         public Set<Path> getPaths(ElementId src, ElementId dst, LinkWeight weight) {
             // If either edge is null, bail with no paths.
@@ -848,7 +1336,12 @@ public class PceManagerTest {
 
             // Otherwise get all paths between the source and destination edge
             // devices.
-            return topologyService.getPaths(null, (DeviceId) src, (DeviceId) dst, weight);
+            computedPaths = topologyService.getPaths(null, (DeviceId) src, (DeviceId) dst, weight);
+            return computedPaths;
+        }
+
+        private Set<Path> paths() {
+            return computedPaths;
         }
     }
 
@@ -946,6 +1439,31 @@ public class PceManagerTest {
 
             return result.size() == 0 ? Collections.emptySet() : ImmutableSet.copyOf(result);
         }
+
+        @Override
+        public Collection<Tunnel> queryAllTunnels() {
+            Collection<Tunnel> result = new HashSet<Tunnel>();
+
+            for (TunnelId tunnelId : tunnelIdAsKeyStore.keySet()) {
+                result.add(tunnelIdAsKeyStore.get(tunnelId));
+            }
+
+            return result.size() == 0 ? Collections.emptySet() : ImmutableSet.copyOf(result);
+        }
+        @Override
+        public Iterable<Tunnel> getTunnels(DeviceId deviceId) {
+            List<Tunnel> tunnelList = new LinkedList<>();
+
+            for (Tunnel t : tunnelIdAsKeyStore.values()) {
+                for (Link l : t.path().links()) {
+                    if (l.src().deviceId().equals(deviceId) || l.dst().deviceId().equals(deviceId)) {
+                        tunnelList.add(t);
+                        break;
+                    }
+                }
+            }
+            return tunnelList;
+        }
     }
 
     public static class MockCoreService extends CoreServiceAdapter {

@@ -158,6 +158,7 @@ public class PceccSrTeBeHandlerTest {
 
     @After
     public void tearDown() throws Exception {
+        PceManagerTest.flowsDownloaded = 0;
     }
 
     /**

@@ -23,6 +23,7 @@
         <groupId>org.onosproject</groupId>
         <artifactId>onos-pce</artifactId>
         <version>1.6.0-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
     </parent>
 
     <artifactId>onos-app-pceweb</artifactId>
@@ -42,6 +43,11 @@
             <artifactId>onos-cli</artifactId>
             <version>${project.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-app-pce</artifactId>
+            <version>${project.version}</version>
+        </dependency>
     </dependencies>
 
     <properties>

@@ -17,33 +17,48 @@
 package org.onosproject.pceweb;
 
 import com.fasterxml.jackson.databind.node.ObjectNode;
-
-
 import com.google.common.collect.ImmutableSet;
+
 import org.onlab.osgi.ServiceDirectory;
+import org.onlab.packet.IpAddress;
+import org.onlab.util.DataRateUnit;
+import org.onosproject.net.Device;
 import org.onosproject.net.DeviceId;
-import org.onosproject.net.DisjointPath;
 import org.onosproject.net.ElementId;
 import org.onosproject.net.HostId;
 import org.onosproject.net.Link;
 import org.onosproject.net.Path;
-import org.onosproject.net.device.DeviceService;
-import org.onosproject.net.topology.LinkWeight;
-import org.onosproject.net.topology.PathService;
+import org.onosproject.net.topology.TopologyEvent;
+import org.onosproject.net.topology.TopologyListener;
 import org.onosproject.net.topology.TopologyService;
 import org.onosproject.ui.RequestHandler;
 import org.onosproject.ui.UiConnection;
 import org.onosproject.ui.UiMessageHandler;
 import org.onosproject.ui.topo.DeviceHighlight;
 import org.onosproject.ui.topo.Highlights;
-import org.onosproject.ui.topo.HostHighlight;
 import org.onosproject.ui.topo.NodeBadge;
 import org.onosproject.ui.topo.TopoJson;
-
+import org.onosproject.net.device.DeviceService;
+import org.onosproject.net.intent.Constraint;
+import org.onosproject.pce.pceservice.LspType;
+import org.onosproject.pce.pceservice.api.PceService;
+import org.onosproject.pce.pceservice.constraint.CostConstraint;
+import org.onosproject.net.intent.constraint.BandwidthConstraint;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.onosproject.incubator.net.tunnel.IpTunnelEndPoint;
+import org.onosproject.incubator.net.tunnel.Tunnel;
+import org.onosproject.incubator.net.tunnel.TunnelEndPoint;
+import org.onosproject.incubator.net.tunnel.TunnelEvent;
+import org.onosproject.incubator.net.tunnel.TunnelId;
+import org.onosproject.incubator.net.tunnel.TunnelListener;
+import org.onosproject.incubator.net.tunnel.TunnelService;
+import static org.onosproject.incubator.net.tunnel.Tunnel.Type.MPLS;
+
+import com.fasterxml.jackson.databind.node.ArrayNode;
 
 import java.util.Collection;
+import java.util.LinkedList;
 import java.util.List;
 import java.util.Set;
 
@@ -56,47 +71,66 @@ public class PceWebTopovMessageHandler extends UiMessageHandler {
     private static final String PCEWEB_SET_SRC = "pceTopovSetSrc";
     private static final String PCEWEB_SET_DST = "pceTopovSetDst";
     private static final String PCEWEB_SET_PATH = "pceTopovSetMode";
-
+    private static final String PCEWEB_UPDATE_PATH_QUERY = "pceTopovUpdateQuery";
+    private static final String PCEWEB_UPDATE_PATH = "pceTopovUpdate";
+    private static final String PCEWEB_REMOVE_PATH_QUERY = "pceTopovRemQuery";
+    private static final String PCEWEB_REMOVE_PATH = "pceTopovRem";
+    private static final String PCEWEB_QUERY_TUNNELS = "pceTopovTunnelDisplay";
+    private static final String PCEWEB_SHOW_TUNNEL = "pceTopovShowTunnels";
+    private static final String PCEWEB_SHOW_TUNNEL_REMOVE = "pceTopovShowTunnelsRem";
     private static final String ID = "id";
-    private static final String MODE = "mode";
     private static final String TYPE = "type";
-    private static final String SWITCH = "switch";
-    private static final String ENDSTATION = "endstation";
-    public static final String DST = "Dst";
-    public static final String SRC = "Src";
+    private static final String ROUTER = "router";
+    private static final String DST = "Egress";
+    private static final String SRC = "Ingress";
+    private static final String BANDWIDTH = "bw";
+    private static final String BANDWIDTHTYPE = "bwtype";
+    private static final String COSTTYPE = "ctype";
+    private static final String LSPTYPE = "lsptype";
+    private static final String SRCID = "srid";
+    private static final String DSTID = "dsid";
+    private static final String TUNNEL_ID = "tunnelid";
+    private static final String TUNNEL_NAME = "tunnelname";
+    private static final String COST_TYPE_IGP = "igp";
+    private static final String COST_TYPE_TE = "te";
+    private static final String BANDWIDTH_TYPE_KBPS = "kbps";
+    private static final String BUFFER_ARRAY = "a";
+    private static final String BANDWIDTH_BPS = "BPS";
+    private static final String LSP_TYPE_CR = "cr";
+    private static final String LSP_TYPE_SRBE = "srbe";
+    private static final String LSP_TYPE_SRTE = "srte";
+    private static final String STRING_NULL = "null";
     // Delay for showHighlights event processing on GUI client side to
     // account for addLink animation.
-    public static final int DELAY_MS = 1100;
-
-    private static final String CLASS = "class";
-    private static final String UNKNOWN = "unknown";
-    private static final String DEVICE = "device";
+    private static final int DELAY_MS = 1100;
+    private static final double BANDWIDTH_KBPS = 1_000;
+    private static final double BANDWIDTH_MBPS = 1_000_000;
 
     private Set<Link> allPathLinks;
-    private boolean listenersRemoved;
-    private LinkWeight linkData;
     private int highlightDelay;
-
-    private final Logger log = LoggerFactory.getLogger(getClass());
-
-    private PathService pathService;
-
     private ElementId src, dst;
     private String srcType, dstType;
     private List<Path> paths;
     private int pathIndex;
 
+    private final Logger log = LoggerFactory.getLogger(getClass());
+    private final TopologyListener topologyListener = new InternalTopologyListener();
+    private final TunnelListener tunnelListener = new InnerPceWebTunnelListener();
+
     protected TopologyService topologyService;
+    protected TunnelService tunnelService;
+    protected PceService pceService;
     protected DeviceService deviceService;
-
-
     @Override
     public void init(UiConnection connection, ServiceDirectory directory) {
 
         super.init(connection, directory);
-        //TODO: Need add listeners.
-        //topologyService = directory.get(TopologyService.class);
-        //addListeners();
+        topologyService = directory.get(TopologyService.class);
+        tunnelService = directory.get(TunnelService.class);
+        pceService = directory.get(PceService.class);
+        deviceService = directory.get(DeviceService.class);
+        topologyService.addListener(topologyListener);
+        tunnelService.addListener(tunnelListener);
     }
 
     @Override
@@ -105,7 +139,19 @@ public class PceWebTopovMessageHandler extends UiMessageHandler {
                 new ClearHandler(),
                 new SetSrcHandler(),
                 new SetDstHandler(),
-                new SetPathHandler());
+                new SetPathHandler(),
+                new UpdatePathQueryHandler(),
+                new UpdatePathHandler(),
+                new RemovePathQueryHandler(),
+                new RemovePathHandler(),
+                new ShowTunnelHandler());
+    }
+
+    @Override
+    public void destroy() {
+        topologyService.removeListener(topologyListener);
+        tunnelService.removeListener(tunnelListener);
+        super.destroy();
     }
 
     // Handler classes
@@ -137,7 +183,6 @@ public class PceWebTopovMessageHandler extends UiMessageHandler {
 
         @Override
         public void process(long sid, ObjectNode payload) {
-            log.info("PCE WEB Set source process method invoked");
             String id = string(payload, ID);
             src = elementId(id);
             srcType = string(payload, TYPE);
@@ -146,7 +191,6 @@ public class PceWebTopovMessageHandler extends UiMessageHandler {
             }
             sendMessage(TopoJson.highlightsMessage(addBadge(new Highlights(),
                     srcType, src.toString(), SRC)));
-
         }
     }
 
@@ -167,7 +211,6 @@ public class PceWebTopovMessageHandler extends UiMessageHandler {
             if (src.equals(dst)) {
                 src = null;
             }
-
             sendMessage(TopoJson.highlightsMessage(addBadge(new Highlights(),
                     dstType, dst.toString(), DST)));
 
@@ -175,7 +218,7 @@ public class PceWebTopovMessageHandler extends UiMessageHandler {
     }
 
     /**
-     * Handles the 'patchcalculation' event received from the client.
+     * Handles the 'path calculation' event received from the client.
      */
     private final class SetPathHandler extends RequestHandler {
 
@@ -185,15 +228,168 @@ public class PceWebTopovMessageHandler extends UiMessageHandler {
 
         @Override
         public void process(long sid, ObjectNode payload) {
-            String mode = string(payload, MODE);
+            String bandWidth = string(payload, BANDWIDTH);
+            String bandWidthType = string(payload, BANDWIDTHTYPE);
+            String costType = string(payload, COSTTYPE);
+            String lspType = string(payload, LSPTYPE);
+            String tunnelName = string(payload, TUNNEL_NAME);
+
+            if (tunnelName.equals(STRING_NULL)) {
+                log.error("tunnel name should not be empty");
+                return;
+            }
+
+            if (pceService == null) {
+                log.error("PCE service is not active");
+                return;
+            }
+
+            if (lspType == null) {
+                log.error("PCE setup path is failed.");
+            }
+
+            if ((src != null) && (dst != null)) {
+                findAndSendPaths(src, dst, bandWidth, bandWidthType, costType, lspType, tunnelName);
+            }
+        }
+    }
+
+    /**
+     * Handles the 'update path query' event received from the client.
+     */
+    private final class UpdatePathQueryHandler extends RequestHandler {
+
+        public UpdatePathQueryHandler() {
+            super(PCEWEB_UPDATE_PATH_QUERY);
+        }
+
+        @Override
+        public void process(long sid, ObjectNode payload) {
+            String srcId = string(payload, SRCID);
+            ElementId src = elementId(srcId);
+            String dstId = string(payload, DSTID);
+            ElementId dst = elementId(dstId);
+            Device srcDevice = deviceService.getDevice((DeviceId) src);
+            Device dstDevice = deviceService.getDevice((DeviceId) dst);
+
+            TunnelEndPoint tunSrc = IpTunnelEndPoint.ipTunnelPoint(IpAddress
+                    .valueOf(srcDevice.annotations().value("lsrId")));
+            TunnelEndPoint tunDst = IpTunnelEndPoint.ipTunnelPoint(IpAddress
+                    .valueOf(dstDevice.annotations().value("lsrId")));
+
+            Collection<Tunnel> tunnelSet = tunnelService.queryTunnel(tunSrc, tunDst);
+            ObjectNode result = objectNode();
+            ArrayNode arrayNode = arrayNode();
+            for (Tunnel tunnel : tunnelSet) {
+                if (tunnel.type() == MPLS) {
+                    arrayNode.add(tunnel.tunnelId().toString());
+                }
+            }
+
+            result.putArray(BUFFER_ARRAY).addAll(arrayNode);
+            sendMessage(PCEWEB_SHOW_TUNNEL, sid, result);
+        }
+    }
+
+    /**
+     * Handles the 'update path' event received from the client.
+     */
+    private final class UpdatePathHandler extends RequestHandler {
+
+        public UpdatePathHandler() {
+            super(PCEWEB_UPDATE_PATH);
+        }
+
+        @Override
+        public void process(long sid, ObjectNode payload) {
+            String bandWidth = string(payload, BANDWIDTH);
+            String bandWidthType = string(payload, BANDWIDTHTYPE);
+            String costType = string(payload, COSTTYPE);
+            String tunnelId = string(payload, TUNNEL_ID);
+
+            if (tunnelId == null) {
+                log.error("PCE update path is failed.");
+            }
+
+            findAndSendPathsUpdate(bandWidth, bandWidthType, costType, tunnelId);
+        }
+    }
+
+    /**
+     * Handles the 'remove path query' event received from the client.
+     */
+    private final class RemovePathQueryHandler extends RequestHandler {
+
+        public RemovePathQueryHandler() {
+            super(PCEWEB_REMOVE_PATH_QUERY);
+        }
+
+        @Override
+        public void process(long sid, ObjectNode payload) {
+            String srcId = string(payload, SRCID);
+            ElementId src = elementId(srcId);
+            String dstId = string(payload, DSTID);
+            ElementId dst = elementId(dstId);
+
+            Device srcDevice = deviceService.getDevice((DeviceId) src);
+            Device dstDevice = deviceService.getDevice((DeviceId) dst);
+
+            TunnelEndPoint tunSrc = IpTunnelEndPoint.ipTunnelPoint(IpAddress
+                    .valueOf(srcDevice.annotations().value("lsrId")));
+            TunnelEndPoint tunDst = IpTunnelEndPoint.ipTunnelPoint(IpAddress
+                    .valueOf(dstDevice.annotations().value("lsrId")));
+
+            Collection<Tunnel> tunnelSet = tunnelService.queryTunnel(tunSrc, tunDst);
+            ObjectNode result = objectNode();
+            ArrayNode arrayNode = arrayNode();
+
+            for (Tunnel tunnel : tunnelSet) {
+                if (tunnel.type() == MPLS) {
+                    arrayNode.add(tunnel.tunnelId().toString());
+                }
+            }
+
+            result.putArray(BUFFER_ARRAY).addAll(arrayNode);
+            sendMessage(PCEWEB_SHOW_TUNNEL_REMOVE, sid, result);
+        }
+    }
+
+    /**
+     * Handles the 'remove path' event received from the client.
+     */
+    private final class RemovePathHandler extends RequestHandler {
+
+        public RemovePathHandler() {
+            super(PCEWEB_REMOVE_PATH);
+        }
+
+        @Override
+        public void process(long sid, ObjectNode payload) {
+            String tunnelId = string(payload, TUNNEL_ID);
 
-            // TODO: Read user input[constraints] and call the path calculation based on
-            //given constrainsts.
-            findAndSendPaths();
+            if (tunnelId == null) {
+                log.error("PCE update path is failed.");
+            }
+
+            findAndSendPathsRemove(tunnelId);
+        }
+    }
+
+    /**
+     * Handles the 'show the existed tunnels' event received from the client.
+     */
+    private final class ShowTunnelHandler extends RequestHandler {
+
+        public ShowTunnelHandler() {
+            super(PCEWEB_QUERY_TUNNELS);
+        }
+
+        @Override
+        public void process(long sid, ObjectNode payload) {
+            findTunnelAndHighlights();
         }
     }
 
-    // === ------------
     /**
      * provides the element id.
      */
@@ -204,45 +400,170 @@ public class PceWebTopovMessageHandler extends UiMessageHandler {
             return HostId.hostId(id);
         }
     }
-    //TODO: Need to pass constraints to this method
-    private void findAndSendPaths() {
-        log.info("src={}; dst={};", src, dst);
-        if (src != null && dst != null) {
-            //TBD: Need to call pathcalulation API here
-            hilightAndSendPaths();
 
+    /**
+     * Handles the setup path and highlights the path.
+     *
+     * @param bandWidth
+     * @param bandWidthType is the kbps or mbps
+     * @param costType is igp or te
+     * @param lspType is WITH_SIGNALLING,WITHOUT_SIGNALLING_AND_WITHOUT_SR or SR_WITHOUT_SIGNALLING
+     * @param tunnelName tunnel id
+     */
+    private void findAndSendPaths(ElementId src, ElementId dst, String bandWidth, String bandWidthType,
+                                    String costType, String lspType, String tunnelName) {
+        log.debug("src={}; dst={};", src, dst);
+        boolean path;
+        List<Constraint> listConstrnt;
+
+        listConstrnt = addBandwidthCostTypeConstraints(bandWidth, bandWidthType, costType);
+
+        //LSP type
+        LspType lspTypeVal = null;
+        switch (lspType) {
+            case LSP_TYPE_CR:
+                lspTypeVal = LspType.WITH_SIGNALLING;
+                break;
+            case LSP_TYPE_SRBE:
+                lspTypeVal = LspType.WITHOUT_SIGNALLING_AND_WITHOUT_SR;
+                break;
+            case LSP_TYPE_SRTE:
+                lspTypeVal = LspType.SR_WITHOUT_SIGNALLING;
+                break;
+            default:
+                log.error("Invalid LSP type");
+                break;
+        }
+
+        path = pceService.setupPath((DeviceId) src, (DeviceId) dst, tunnelName, listConstrnt, lspTypeVal);
+        if (!path) {
+             log.error("setup path is failed");
+             return;
+        }
+
+        return;
+    }
+
+    /**
+     * Handles the update path and highlights the path.
+     *
+     * @param bandWidth bandWidth
+     * @param bandWidthType is the kbps or mbps
+     * @param costType is igp or te
+     * @param tunnelName tunnel id
+     */
+    private void findAndSendPathsUpdate(String bandWidth, String bandWidthType, String costType, String tunnelIdStr) {
+        if (tunnelIdStr != null) {
+            List<Constraint> listConstrnt;
+
+            if (tunnelIdStr.equals(STRING_NULL)) {
+                log.error("update path is failed");
+                return;
+            }
+
+            if (pceService == null) {
+                log.error("PCE service is not active");
+                return;
+            }
+
+            listConstrnt = addBandwidthCostTypeConstraints(bandWidth, bandWidthType, costType);
+            TunnelId tunnelId = TunnelId.valueOf(tunnelIdStr);
+            boolean path = pceService.updatePath(tunnelId, listConstrnt);
+
+            if (!path) {
+                log.error("update path is failed");
+                return;
+            }
+        }
+        return;
+    }
+
+    /**
+     * Handles the remove path and highlights the paths if existed.
+     *
+     * @param tunnelIdName tunnelId
+     */
+    private void findAndSendPathsRemove(String tunnelIdStr) {
+        if (tunnelIdStr != null) {
+            if (pceService == null) {
+                log.error("PCE service is not active");
+                return;
             }
 
+            TunnelId tunnelId = TunnelId.valueOf(tunnelIdStr);
+            boolean path = pceService.releasePath(tunnelId);
+            if (!path) {
+                log.error("remove path is failed");
+                return;
+            }
+        }
+        return;
     }
 
-    //TODO: The below code is not used. Once get path from PCE app then below code will be use.
-    // the below code will get path and it will highlight the selected path.
-    //Currently primary path in use, there is no use of secondary path.
-    //secondary path need to remove based on path received by PCE app.
-    private ImmutableSet.Builder<Link> buildPaths(
-            ImmutableSet.Builder<Link> pathBuilder) {
+    private ImmutableSet.Builder<Link> buildPaths(ImmutableSet.Builder<Link> pathBuilder) {
         paths.forEach(path -> path.links().forEach(pathBuilder::add));
         return pathBuilder;
     }
 
-    private ImmutableSet.Builder<Link> buildDisjointPaths(
-            ImmutableSet.Builder<Link> pathBuilder) {
-        paths.forEach(path -> {
-            DisjointPath dp = (DisjointPath) path;
-            pathBuilder.addAll(dp.primary().links());
-            pathBuilder.addAll(dp.backup().links());
-        });
-        return pathBuilder;
+    /**
+     * Handles the preparation of constraints list with given bandwidth and cost-type.
+     *
+     * @param bandWidth bandWidth
+     * @param bandWidthType is the kbps or mbps
+     * @param costType is igp or te
+     * @param listConstrnt list of constraints
+     * @return
+     */
+    private List<Constraint> addBandwidthCostTypeConstraints(String bandWidth,
+                                                             String bandWidthType,
+                                                             String costType) {
+        List<Constraint> listConstrnt = new LinkedList<>();
+        //bandwidth
+        double bwValue = 0.0;
+        if (!bandWidth.equals(STRING_NULL)) {
+            bwValue = Double.parseDouble(bandWidth);
+        }
+        if (bandWidthType.equals(BANDWIDTH_TYPE_KBPS)) {
+            bwValue = bwValue * BANDWIDTH_KBPS;
+        } else {
+            bwValue = bwValue * BANDWIDTH_MBPS;
         }
 
+        //Cost type
+        CostConstraint.Type costTypeVal = null;
+        switch (costType) {
+        case COST_TYPE_IGP:
+            costTypeVal = CostConstraint.Type.COST;
+            break;
+        case COST_TYPE_TE:
+            costTypeVal = CostConstraint.Type.TE_COST;
+            break;
+        default:
+            log.error("Invalid cost type");
+            break;
+        }
+
+        if (bwValue != 0.0) {
+            listConstrnt.add(BandwidthConstraint.of(bwValue, DataRateUnit.valueOf(BANDWIDTH_BPS)));
+        }
+
+        if (costTypeVal != null) {
+            listConstrnt.add(CostConstraint.of(costTypeVal));
+        }
+
+        return listConstrnt;
+    }
+
+    /**
+     * Handles the highlights of selected path.
+     */
     private void hilightAndSendPaths() {
         PceWebLinkMap linkMap = new PceWebLinkMap();
         allPathLinks.forEach(linkMap::add);
-
         Set<Link> selectedPathLinks;
 
-        selectedPathLinks = paths.isEmpty() ? ImmutableSet.of()
-                    : ImmutableSet.copyOf(paths.get(pathIndex).links());
+        selectedPathLinks = paths.isEmpty() ?
+                ImmutableSet.of() : ImmutableSet.copyOf(paths.get(pathIndex).links());
 
         Highlights highlights = new Highlights();
         if (highlightDelay > 0) {
@@ -261,16 +582,32 @@ public class PceWebTopovMessageHandler extends UiMessageHandler {
         sendMessage(TopoJson.highlightsMessage(highlights));
     }
 
+    /**
+     *  Handles the addition of badge and highlights.
+     *
+     * @param highlights highlights
+     * @param type device type
+     * @param elemId device to be add badge
+     * @param src device to be add badge
+     * @return
+     */
     private Highlights addBadge(Highlights highlights, String type,
             String elemId, String src) {
-        if (SWITCH.equals(type)) {
+        if (ROUTER.equals(type)) {
             highlights = addDeviceBadge(highlights, elemId, src);
-        } else if (ENDSTATION.equals(type)) {
-            highlights = addHostBadge(highlights, elemId, src);
         }
+
         return highlights;
     }
 
+    /**
+     * Handles the badge add and highlights.
+     *
+     * @param h highlights
+     * @param elemId device to be add badge
+     * @param type device type
+     * @return highlights
+     */
     private Highlights addDeviceBadge(Highlights h, String elemId, String type) {
         DeviceHighlight dh = new DeviceHighlight(elemId);
         dh.setBadge(createBadge(type));
@@ -278,18 +615,59 @@ public class PceWebTopovMessageHandler extends UiMessageHandler {
         return h;
     }
 
-    private Highlights addHostBadge(Highlights h, String elemId, String type) {
-        HostHighlight hh = new HostHighlight(elemId);
-        hh.setBadge(createBadge(type));
-        h.add(hh);
-        return h;
-    }
-
+    /**
+     * Handles the node badge add and highlights.
+     *
+     * @param type device type
+     * @return badge of given node
+     */
     private NodeBadge createBadge(String type) {
         return NodeBadge.text(type);
     }
 
-    //TODO: Listeners need to add.
-    //If topology changes then path need to be re calculate.
+    /**
+     * Handles the event of topology listeners.
+     */
+    private class InternalTopologyListener implements TopologyListener {
+        @Override
+        public void event(TopologyEvent event) {
+            highlightDelay = DELAY_MS;
+            findTunnelAndHighlights();
+            highlightDelay = 0;
+        }
+    }
 
+    /**
+     * Handles the event of tunnel listeners.
+     */
+    private class InnerPceWebTunnelListener implements TunnelListener {
+        @Override
+        public void event(TunnelEvent event) {
+            Tunnel tunnel = event.subject();
+            if (tunnel.type() == MPLS) {
+                highlightDelay = DELAY_MS;
+                findTunnelAndHighlights();
+                highlightDelay = 0;
+            }
+        }
+    }
+
+   /**
+     * Handles the event of topology listeners.
+    */
+    private void findTunnelAndHighlights() {
+        Collection<Tunnel> tunnelSet = null;
+        tunnelSet = tunnelService.queryTunnel(MPLS);
+        for (Tunnel tunnel : tunnelSet) {
+            if (tunnel.path() == null) {
+                log.info("path does not exist");
+                return;
+            }
+            paths.add(tunnel.path());
+        }
+
+        ImmutableSet.Builder<Link> builder = ImmutableSet.builder();
+        allPathLinks = buildPaths(builder).build();
+        hilightAndSendPaths();
+    }
 }

@@ -63,7 +63,6 @@ public class PceWebTopovOverlay extends UiTopoOverlay {
     public void modifyDeviceDetails(PropertyPanel pp, DeviceId deviceId) {
 
          pp.title(MY_TITLE);
-         log.info("Modify device details called.");
 
          DeviceService deviceService = AbstractShellCommand.get(DeviceService.class);
 

@@ -21,16 +21,23 @@
 
     // injected refs
     var $log, fs, flash, wss, tps, ns, tds, ds;
-
+    var tunnelNameData, tunnelNameDataRemove;
    // constants
     var srcMessage = 'pceTopovSetSrc',
         dstMessage = 'pceTopovSetDst',
         clearMessage = 'pceTopovClear',
-        setModemsg =  'pceTopovSetMode',
-        L3dev = 'requestIpDevDetails';
+        setPathmsg =  'pceTopovSetMode',
+        updatePathmsgQuery = 'pceTopovUpdateQuery',
+        remPathmsgQuery = 'pceTopovRemQuery',
+        updatePathmsg = 'pceTopovUpdate',
+        remPathmsg = 'pceTopovRem',
+        showTunnelInfoMsg = 'pceTopovShowTunnels',
+        queryDisplayTunnelMsg = 'pceTopovTunnelDisplay',
+        showTunnelInfoRemoveMsg = 'pceTopovShowTunnelsRem';
     // internal state
     var currentMode = null;
-
+    var handlerMap = {},
+        handlerMapRem = {};
     // === ---------------------------
     // === Helper functions
 
@@ -58,153 +65,326 @@
         flash.flash('Cleared source and destination');
     }
 
-    function dOk() {
-        var bandWidth = d3.select('#band-width-box').property("checked");
-        var bandValue = null;
-        var bandType = null;
+    function dClose() {
+        $log.debug('Dialog Close button clicked (or Esc pressed)');
+    }
 
-        if (bandWidth) {
+    function createUserText() {
+        var content = ds.createDiv('constraints-input'),
+            form = content.append('form'),
+            p = form.append('p');
+
+        function addAttribute(name, id, nameField, type) {
+            p.append('input').attr({
+                type: type,
+                name: name,
+                id: id
+            });
+
+            p.append('span').text(nameField);
+            p.append('br');
+        }
+
+        //Add the bandwidth related inputs.
+        addAttribute('band-width-name', 'band-width-box', 'Band Width', 'checkbox');
+        addAttribute('band-width-value-name', 'band-width-value', null, 'number');
+        addAttribute('pce-band-type', 'band-kpbs-val', 'kbps', 'radio');
+        addAttribute('pce-band-type', 'band-mpbs-val', 'mbps', 'radio');
+        //Add the cost type related inputs.
+        addAttribute('pce-cost-type-name', 'pce-cost-type', 'Cost Type', 'checkbox');
+        addAttribute('pce-cost-type-valname', 'pce-cost-type-igp', 'IGP', 'radio');
+        addAttribute('pce-cost-type-valname', 'pce-cost-type-te', 'TE', 'radio');
+        //Add the LSP type related inputs.
+        addAttribute('pce-lsp-type-name', 'pce-lsp-type', 'Lsp Type', 'checkbox');
+        addAttribute('pce-lsp-type-valname', 'pce-lsp-type-cr', 'WITH SIGNALLING', 'radio');
+        addAttribute('pce-lsp-type-valname', 'pce-lsp-type-srbe', 'WITHOUT SR WITHOUT SIGNALLING', 'radio');
+        addAttribute('pce-lsp-type-valname', 'pce-lsp-type-srte', 'WITH SR WITHOUT SIGNALLING', 'radio');
+        //Add the tunnel name
+        addAttribute('pce-tunnel-name', 'pce-tunnel-name-id', 'Tunnel Name', 'text');
+
+        return content;
+    }
+
+    function createUserTextUpdate(data) {
+        var content = ds.createDiv(),
+            form = content.append('form'),
+            p = form.append('p');
+
+        p.append('span').text('Tunnel IDs');
+        p.append('br');
+
+        data.a.forEach( function (val, idx) {
+            p.append('input').attr({
+                id: 'tunnel-id-'+idx,
+                type: 'radio',
+                name: 'tunnel-id-name',
+                value: val
+            });
+
+            p.append('span').text(val);
+            p.append('br');
+
+        } );
+
+        return content;
+    }
+
+    function createUserTextUpdatePathEvent() {
+        var content = ds.createDiv(),
+            form = content.append('form'),
+            p = form.append('p');
+
+        function addAttribute(name, id, nameField, type) {
+            p.append('input').attr({
+                type: type,
+                name: name,
+                id: id
+            });
+
+            p.append('span').text(nameField);
+            p.append('br');
+        }
+
+        //Add the bandwidth related inputs.
+        addAttribute('band-width-name', 'update-band-width-box', 'Band Width', 'checkbox');
+        addAttribute('band-width-value-name', 'update-band-width-value', null, 'number');
+        addAttribute('pce-band-type', 'update-band-kpbs-val', 'kbps', 'radio');
+        addAttribute('pce-band-type', 'update-band-mpbs-val', 'mbps', 'radio');
+        //Add the cost type related inputs.
+        addAttribute('pce-cost-type', 'update-pce-cost-type', 'Cost Type', 'checkbox');
+        addAttribute('pce-cost-type-value', 'update-pce-cost-type-igp', 'IGP', 'radio');
+        addAttribute('pce-cost-type-value', 'update-pce-cost-type-te', 'TE', 'radio');
 
-            bandValue = d3.select('#band-width-value').property("value");
+        return content;
+    }
+
+    function createUserTextRemove(data) {
+
+        var content = ds.createDiv(),
+            form = content.append('form'),
+            p = form.append('p');
+
+        p.append('span').text('Tunnel IDs');
+        p.append('br');
+
+        data.a.forEach( function (val, idx) {
+            p.append('input').attr({
+                id: 'tunnel-id-remove-'+idx,
+                type: 'checkbox',
+                name: 'tunnel-id-name-remove',
+                value: val
+            });
+
+            p.append('span').text(val);
+            p.append('br');
+        } );
+
+        return content;
+    }
+
+    function isChecked(viewId) {
+        return d3.select('#' + viewId).property('checked');
+    }
+
+    function getCheckedValue(viewId) {
+        return d3.select('#' + viewId).property('value');
+    }
+
+    function showTunnelInformation(data) {
+        wss.unbindHandlers(handlerMap);
+        tunnelNameData = data;
+
+        function dOkUpdate() {
+            var tdString = '' ;
+            tunnelNameData.a.forEach( function (val, idx) {
+                var tunnelName = isChecked('tunnel-id-'+idx);
+                if (tunnelName)
+                {
+                    tdString = val;
+                }
+            } );
+
+            if (tdString) {
+                constraintsUpdateDialog(tdString);
+            } else {
+                $log.debug("No tunnel id is selected.");
+            }
+
+            $log.debug('Dialog OK button clicked');
+        }
+
+        tds.openDialog()
+            .setTitle('Available LSPs with selected device')
+            .addContent(createUserTextUpdate(data))
+            .addOkChained(dOkUpdate, 'GOTO Selection of constraints')
+            .addCancel(dClose, 'Close')
+            .bindKeys();
+    }
+
+    function constraintsUpdateDialog(tunnelId) {
+
+        // invoked when the OK button is pressed on this dialog
+        function dOkUpdateEvent() {
+            $log.debug('Select constraints for update path Dialog OK button pressed');
 
-            if (d3.select("#band-kpbs-val").property("checked")) {
+            var bandWidth = isChecked('update-band-width-box'),
+                bandValue = null,
+                bandType = null;
+
+            if (bandWidth) {
+                bandValue = d3.select('#update-band-width-value');
+
+                if (isChecked('update-band-kpbs-val')) {
                     bandType = 'kbps';
-            } else if (d3.select('#band-mpbs-val').property("checked")) {
+                } else if (isChecked('update-band-mpbs-val')) {
                     bandType = 'mbps';
                 }
             }
 
-        var costType = d3.select('#pce-cost-type').property("checked");
-        var costTypeVal = null;
+            var costType = isChecked('update-pce-cost-type'),
+                costTypeVal = null;
 
             if (costType) {
+                if (isChecked('update-pce-cost-type-igp')) {
+                    costTypeVal = 'igp';
+                } else if (isChecked('update-pce-cost-type-te')) {
+                   costTypeVal = 'te';
+                }
+            }
+
+            wss.sendEvent(updatePathmsg, {
+                    bw: bandValue,
+                    ctype: costTypeVal,
+                    tunnelname: tunnelId
+            });
+
+            flash.flash('update path message');
+
+        }
+
+        tds.openDialog()
+            .setTitle('Select constraints for update path')
+            .addContent(createUserTextUpdatePathEvent())
+            .addCancel()
+            .addOk(dOkUpdateEvent, 'Update Path')     // NOTE: NOT the "chained" version!
+            .bindKeys();
+
+    }
+
+    function showTunnelInformationRemove(data) {
+
+        wss.unbindHandlers(handlerMapRem);
+        tunnelNameDataRemove = data;
+        tds.openDialog()
+            .setTitle('Available Tunnels for remove')
+            .addContent(createUserTextRemove(data))
+            .addOk(dOkRemove, 'Remove')
+            .addCancel(dClose, 'Close')
+            .bindKeys();
+    }
+
+    //setup path
+    function setMode() {
+
+        function dOk() {
+            var bandWidth = isChecked('band-width-box'),
+                bandValue = null,
+                bandType = null;
+
+            if (bandWidth) {
+                bandValue = getCheckedValue('band-width-value');
+
+                if (isChecked('band-kpbs-val')) {
+                    bandType = 'kbps';
+                } else if (isChecked('band-mpbs-val')) {
+                    bandType = 'mbps';
+                }
+            }
+
+            var costType = isChecked('pce-cost-type'),
+                costTypeVal = null;
 
-            if (d3.select("#pce-cost-type-igp").property("checked")) {
+            if (costType) {
+                if (isChecked('pce-cost-type-igp')) {
                     costTypeVal = 'igp';
-            } else if (d3.select('#pce-cost-type-te').property("checked")) {
+                } else if (isChecked('pce-cost-type-te')) {
                    costTypeVal = 'te';
                 }
             }
 
-       var lspType = d3.select('#pce-lsp-type').property("checked");
-       var lspTypeVal = null;
+            var lspType = isChecked('pce-lsp-type'),
+                lspTypeVal = null;
 
             if (lspType) {
-
-           if (d3.select("#pce-lsp-type-cr").property("checked")) {
+                if (isChecked('pce-lsp-type-cr')) {
                    lspTypeVal = 'cr';
-           } else if (d3.select('#pce-lsp-type-srbe').property("checked")) {
+                } else if (isChecked('pce-lsp-type-srbe')) {
                    lspTypeVal = 'srbe';
-           } else if (d3.select('#pce-lsp-type-srte').property("checked")) {
+                } else if (isChecked('pce-lsp-type-srte')) {
                    lspTypeVal = 'srte';
                 }
             }
 
-         //TBD: Read the user inputs and need to send the event for calculating the path based on constrainsts.
-         // TBD: Need to read IGP cost type and LSP type.
-         //wss.sendEvent(setModemsg);
-         //flash.flash('creat path message');
+            wss.sendEvent(setPathmsg, {
+                bw: bandValue,
+                bwtype: bandType,
+                ctype: costTypeVal,
+                lsptype: lspTypeVal,
+                tunnelname: getCheckedValue('pce-tunnel-name-id')
+            });
 
+            flash.flash('create path message');
             $log.debug('Dialog OK button clicked');
         }
 
-    function dClose() {
-        $log.debug('Dialog Close button clicked (or Esc pressed)');
+        tds.openDialog()
+        .setTitle('constraints selection')
+        .addContent(createUserText())
+        .addOk(dOk, 'OK')
+        .addCancel(dClose, 'Close')
+        .bindKeys();
     }
 
-    function createUserText() {
-        var content = ds.createDiv();
-        var form = content.append('form');
-        var p = form.append('p');
+    function updatePath(node) {
 
-        //Add the bandwidth related inputs.
-        p.append('input').attr({
-            id: 'band-width-box',
-            type: 'checkbox',
-            name: 'band-width-name'
-        });
-        p.append('span').text('Band Width');
-        p.append('br');
-        p.append('input').attr({
-            id: 'band-width-value',
-            type: 'number',
-            name: 'band-width-value-name'
-        });
-        p.append('input').attr({
-            id: 'band-kpbs-val',
-            type: 'radio',
-            name: 'pce-band-type'
+        wss.sendEvent(updatePathmsgQuery, {
+            srid: node[0],
+            dsid: node[1]
         });
-        p.append('span').text('kpbs');
-        p.append('input').attr({
-            id: 'band-mpbs-val',
-            type: 'radio',
-            name: 'pce-band-type'
-        });
-        p.append('span').text('mpbs');
-        p.append('br');
 
-        //Add the cost type related inputs.
-        p.append('input').attr({
-            id: 'pce-cost-type',
-            type: 'checkbox',
-            name: 'pce-cost-type-name'
-        });
-        p.append('span').text('Cost Type');
-        p.append('br');
-        p.append('input').attr({
-            id: 'pce-cost-type-igp',
-            type: 'radio',
-            name: 'pce-cost-type-valname'
-        });
-        p.append('span').text('IGP');
-        p.append('input').attr({
-            id: 'pce-cost-type-te',
-            type: 'radio',
-            name: 'pce-cost-type-valname'
-        });
-        p.append('span').text('TE');
-        p.append('br');
+        handlerMap[showTunnelInfoMsg] = showTunnelInformation;
+        wss.bindHandlers(handlerMap);
 
-        //Add the LSP type related inputs.
-        p.append('input').attr({
-            id: 'pce-lsp-type',
-            type: 'checkbox',
-            name: 'pce-lsp-type-name'
-        });
-        p.append('span').text('Lsp Type');
-        p.append('br');
-        p.append('input').attr({
-            id: 'pce-lsp-type-cr',
-            type: 'radio',
-            name: 'pce-lsp-type-valname'
-        });
-        p.append('span').text('CR');
-        p.append('input').attr({
-            id: 'pce-lsp-type-srbe',
-            type: 'radio',
-            name: 'pce-lsp-type-valname'
-        });
-        p.append('span').text('SR BE');
-        p.append('input').attr({
-            id: 'pce-lsp-type-srte',
-            type: 'radio',
-            name: 'pce-lsp-type-valname'
+        flash.flash('update path message');
+    }
+
+    function dOkRemove() {
+
+        tunnelNameDataRemove.a.forEach( function (val, idx) {
+            var tunnelNameVal = isChecked('tunnel-id-remove-'+idx);
+            if (tunnelNameVal) {
+                wss.sendEvent(remPathmsg, {
+                    tunnelid: val
                 });
-        p.append('span').text('SR TE');
+            }
+        } );
 
-        return content;
+        flash.flash('remove path message');
     }
 
-    function setMode() {
-        tds.openDialog()
-        .setTitle('constraints user')
-        .addContent(createUserText())
-        .addOk(dOk, 'OK')
-        .addCancel(dClose, 'Close')
-        .bindKeys();
+    function remPath(node) {
+        wss.sendEvent(remPathmsgQuery, {
+            srid: node[0],
+            dsid: node[1]
+        });
+
+        handlerMapRem[showTunnelInfoRemoveMsg] = showTunnelInformationRemove;
+        wss.bindHandlers(handlerMapRem);
     }
 
+  function queryTunnelDisplay() {
+        wss.sendEvent(queryDisplayTunnelMsg);
+    }
     // === ---------------------------
     // === Module Factory Definition
 
@@ -227,8 +407,10 @@
                 setSrc: setSrc,
                 setDst: setDst,
                 clear: clear,
-                setMode: setMode
-
+                setMode: setMode,
+                updatePath: updatePath,
+                remPath: remPath,
+                queryTunnelDisplay: queryTunnelDisplay
             };
         }]);
 }());

@@ -34,7 +34,6 @@
         glyphId: 'topo',
         tooltip: 'PCE web Topo Overlay',
 
-
         activate: function () {
             $log.debug("PCE web topology overlay ACTIVATED");
         },
@@ -112,11 +111,32 @@
             },
             1: {
                 cb: function () {
-                    pps.setMode("shortest");
+                    pps.setMode();
+                },
+                tt: 'Setup path',
+                gid: 'plus'
+            },
+            2: {
+                cb: function () {
+                    pps.updatePath(selection);
                 },
-                tt: 'Select constraints for LSP',
+                tt: 'Update path',
                 gid: '*jp'
             },
+            3: {
+                cb: function () {
+                    pps.remPath(selection);
+                },
+                tt: 'Remove path',
+                gid: 'minus'
+            },
+            4: {
+                cb: function () {
+                    pps.queryTunnelDisplay();
+                },
+                tt: 'Show Tunnels',
+                gid: 'checkMark'
+            },
             0: {
                 cb: function () {
                     pps.clear();
@@ -126,7 +146,7 @@
             },
 
             _keyOrder: [
-                'openBracket', 'closeBracket', '1', '0'
+                'openBracket', 'closeBracket', '1', '2', '3', '4', '0'
             ]
         },
         hooks: {
@@ -145,6 +165,9 @@
             },
             single: function (data) {
                 selectionCallback(data);
+            },
+            multi: function (selectOrder) {
+                selectionCallback(selectOrder);
             }
         }
     };

@@ -21,6 +21,7 @@
         <groupId>org.onosproject</groupId>
         <artifactId>onos-apps</artifactId>
         <version>1.6.0-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

@@ -23,6 +23,7 @@
         <groupId>org.onosproject</groupId>
         <artifactId>onos-bgp</artifactId>
         <version>1.6.0-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
     </parent>
 
     <artifactId>onos-bgp-api</artifactId>

@@ -23,6 +23,7 @@
         <groupId>org.onosproject</groupId>
         <artifactId>onos-bgp</artifactId>
         <version>1.6.0-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
     </parent>
 
     <artifactId>onos-bgpio</artifactId>

@@ -241,13 +241,12 @@ public class BgpUpdateMsgVer4 implements BgpUpdateMsg {
                         afi = mpUnReach.afi();
                         safi = mpUnReach.safi();
                     }
+                }
 
-                    if ((afi == Constants.AFI_FLOWSPEC_VALUE) && ((safi == Constants.SAFI_FLOWSPEC_VALUE)
-                            || (safi == Constants.VPN_SAFI_FLOWSPEC_VALUE))) {
+                if ((afi == Constants.AFI_FLOWSPEC_VALUE) || (afi == Constants.AFI_VALUE)) {
                     //unfeasible route length
                     cb.writeShort(0);
                 }
-                }
 
             }
 

@@ -171,6 +171,7 @@ public class As4Path implements BgpValueType {
         if ((as4pathSet != null) && (as4pathSeq != null)) {
             int iAsLenIndex = cb.writerIndex();
             cb.writeByte(0);
+            if (as4pathSeq.size() != 0) {
                 cb.writeByte(AsPath.ASPATH_SEQ_TYPE);
                 cb.writeByte(as4pathSeq.size());
 
@@ -180,6 +181,7 @@ public class As4Path implements BgpValueType {
 
                 int asLen = cb.writerIndex() - iAsLenIndex;
                 cb.setByte(iAsLenIndex, (byte) (asLen - 1));
+            }
         } else {
             cb.writeByte(0);
         }

@@ -208,15 +208,16 @@ public class AsPath implements BgpValueType {
         if (isaspathSet()) {
             int iAsLenIndex = cb.writerIndex();
             cb.writeByte(0);
+            if (aspathSeq.size() != 0) {
                 cb.writeByte(ASPATH_SEQ_TYPE);
                 cb.writeByte(aspathSeq.size());
 
                 for (int j = 0; j < aspathSeq.size(); j++) {
                     cb.writeShort(aspathSeq.get(j));
                 }
-
                 int asLen = cb.writerIndex() - iAsLenIndex;
                 cb.setByte(iAsLenIndex, (byte) (asLen - 1));
+            }
         } else {
             cb.writeByte(0);
         }

@@ -106,7 +106,7 @@ public class LinkStateAttributes implements BgpValueType {
      *
      * @param linkStateAttribList Linked list of Link, Node and Prefix TLVs
      */
-    LinkStateAttributes(List<BgpValueType> linkStateAttribList) {
+    public LinkStateAttributes(List<BgpValueType> linkStateAttribList) {
         this.linkStateAttribList = linkStateAttribList;
         this.isLinkStateAttribute = true;
     }

@@ -163,7 +163,6 @@ public class WideCommunityAttrHeader implements BgpValueType {
         c.writeShort(TYPE);
         c.writeByte(flag);
         c.writeByte(hopCount);
-        c.writeShort(length);
         return c.writerIndex() - iLenStartIndex;
     }
 

@@ -97,8 +97,8 @@ public class WideCommunityIpV4Neighbour implements BgpValueType {
         while (listIterator.hasNext()) {
             IpV4Neighbour speaker = listIterator.next();
             if (speaker instanceof IpV4Neighbour) {
-                c.writeInt(Integer.valueOf(speaker.localSpeaker.toString()));
-                c.writeInt(Integer.valueOf(speaker.remoteSpeaker.toString()));
+                c.writeBytes(speaker.localSpeaker().toOctets());
+                c.writeBytes(speaker.remoteSpeaker().toOctets());
             }
         }
 

@@ -96,7 +96,7 @@ public final class BgpLinkAttrMaxLinkBandwidth implements BgpValueType {
      *
      * @return Maximum link bandwidth
      */
-    float linkAttrMaxLinkBandwidth() {
+    public float linkAttrMaxLinkBandwidth() {
         return maxBandwidth;
     }
 

@@ -43,10 +43,10 @@ import java.util.Objects;
 public class WideCommunity implements BgpValueType {
 
     private static final Logger log = LoggerFactory.getLogger(WideCommunity.class);
-    public static final byte TYPE = (byte) 254; /* TODO: IANA Assigned */
+    public static final byte TYPE = (byte) 129;
     public static final short LENGTH = 4;
     public static final byte TYPE_LENGTH_SIZE = 3;
-    public static final byte FLAGS = (byte) 0x40;
+    public static final byte FLAGS = (byte) 0x90;
     private WideCommunityAttrHeader wideCommunityHeader;
     private int community;
     private int localAsn;
@@ -238,6 +238,9 @@ public class WideCommunity implements BgpValueType {
 
         wideCommunityHeader.write(c);
 
+        int iComLengthIndex = c.writerIndex();
+        c.writeShort(0);
+
         c.writeInt(community);
         c.writeInt(localAsn);
         c.writeInt(contextAsn);
@@ -275,6 +278,9 @@ public class WideCommunity implements BgpValueType {
             c.setShort(iTargetLenIndex, (short) (length - 2));
         }
 
+        length = c.writerIndex() - iComLengthIndex;
+        c.setShort(iComLengthIndex, (short) (length - 2));
+
         length = c.writerIndex() - iLengthIndex;
         c.setShort(iLengthIndex, (short) (length - 2));
 

@@ -46,6 +46,11 @@
             <groupId>org.osgi</groupId>
             <artifactId>org.osgi.compendium</artifactId>
         </dependency>
+        <dependency>
+            <groupId>io.netty</groupId>
+            <artifactId>netty-common</artifactId>
+            <version>4.0.36.Final</version>
+        </dependency>
     </dependencies>
 
     <build>

@@ -205,7 +205,7 @@ public class BgpConfig implements BgpCfg {
             lspeer.setSelfInnitConnection(true);
 
             if (lspeer.connectPeer() == null) {
-                connectPeer = new BgpConnectPeerImpl(bgpController, routerid, Controller.getBgpPortNum());
+                connectPeer = new BgpConnectPeerImpl(bgpController, routerid, Controller.BGP_PORT_NUM);
                 lspeer.setConnectPeer(connectPeer);
                 connectPeer.connectPeer();
             }

@@ -135,7 +135,7 @@ public class BgpLocalRibImpl implements BgpLocalRib {
                 BgpSelectionAlgo selectionAlgo = new BgpSelectionAlgo();
                 // Compare local RIB entry with the current attribute
                 decisionResult = selectionAlgo.compare(nodeTree.get(nodeLsIdentifier), detailsLocRib);
-                if (decisionResult < 0) {
+                if (decisionResult <= 0) {
                     for (BgpNodeListener l : bgpController.listener()) {
                         l.addNode((BgpNodeLSNlriVer4) nlri, details);
                     }
@@ -155,7 +155,7 @@ public class BgpLocalRibImpl implements BgpLocalRib {
                 BgpSelectionAlgo selectionAlgo = new BgpSelectionAlgo();
                 // Compare local RIB entry with the current attribute
                 decisionResult = selectionAlgo.compare(linkTree.get(linkLsIdentifier), detailsLocRib);
-                if (decisionResult < 0) {
+                if (decisionResult <= 0) {
                     linkTree.replace(linkLsIdentifier, detailsLocRib);
                     for (BgpLinkListener l : bgpController.linkListener()) {
                         l.addLink((BgpLinkLsNlriVer4) nlri, details);
@@ -175,7 +175,7 @@ public class BgpLocalRibImpl implements BgpLocalRib {
                 BgpSelectionAlgo selectionAlgo = new BgpSelectionAlgo();
                 // Compare local RIB entry with the current attribute
                 decisionResult = selectionAlgo.compare(prefixTree.get(prefixIdentifier), detailsLocRib);
-                if (decisionResult < 0) {
+                if (decisionResult <= 0) {
                     prefixTree.replace(prefixIdentifier, detailsLocRib);
                     log.debug("Local RIB update prefix: {}", detailsLocRib.toString());
                 }

@@ -159,6 +159,7 @@ public class BgpPeerImpl implements BgpPeer {
      * Send flow specification update message to peer.
      *
      * @param operType operation type
+     * @param routeKey flow rule key
      * @param flowSpec flow specification details
      * @param wideCommunity for route policy
      */
@@ -167,7 +168,7 @@ public class BgpPeerImpl implements BgpPeer {
 
         List<BgpValueType> attributesList = new LinkedList<>();
         byte sessionType = sessionInfo.isIbgpSession() ? (byte) 0 : (byte) 1;
-        byte sAfi = Constants.VPN_SAFI_FLOWSPEC_VALUE;
+        byte sAfi = Constants.SAFI_FLOWSPEC_VALUE;
 
         boolean isFsCapabilitySet = isCapabilitySupported(MultiProtocolExtnCapabilityTlv.TYPE,
                                                         Constants.AFI_FLOWSPEC_VALUE,
@@ -190,10 +191,10 @@ public class BgpPeerImpl implements BgpPeer {
             return;
         }
 
-        if ((wideCommunity != null) && (isVpnRpdCapabilitySet)) {
-            sAfi = Constants.VPN_SAFI_FLOWSPEC_RDP_VALUE;
-        } else if (isVpnFsCapabilitySet) {
+        if (isVpnFsCapabilitySet) {
             sAfi = Constants.VPN_SAFI_FLOWSPEC_VALUE;
+        } else if (isVpnRpdCapabilitySet) {
+            sAfi = Constants.VPN_SAFI_FLOWSPEC_RDP_VALUE;
         }
         attributesList.add(new Origin((byte) 0));
 
@@ -222,7 +223,9 @@ public class BgpPeerImpl implements BgpPeer {
         }
 
         attributesList.add(new BgpExtendedCommunity(flowSpec.fsActionTlv()));
+        if (wideCommunity != null) {
             attributesList.add(wideCommunity);
+        }
 
         if (operType == FlowSpecOperation.ADD) {
             attributesList.add(new MpReachNlri(flowSpec, Constants.AFI_FLOWSPEC_VALUE, sAfi));

@@ -16,7 +16,7 @@
 package org.onosproject.bgp.controller.impl;
 
 import static org.onlab.util.Tools.groupedThreads;
-
+import io.netty.util.internal.PlatformDependent;
 import java.lang.management.ManagementFactory;
 import java.lang.management.RuntimeMXBean;
 import java.net.InetSocketAddress;
@@ -53,9 +53,11 @@ public class Controller {
     public Channel serverChannel;
 
     // Configuration options
-    private static final short BGP_PORT_NUM = 179;
+    protected static final short BGP_PORT_NUM = 179;
+    private static final short BGP_PRIVILEGED_PORT = 1790; // server port used for non root users in linux
     private static final short PORT_NUM_ZERO = 0;
     private static boolean isPortNumSet = false;
+    private static short portNumber = BGP_PORT_NUM;
     private final int workerThreads = 16;
     private final int peerWorkerThreads = 16;
 
@@ -219,6 +221,11 @@ public class Controller {
      */
     public void start() {
         log.info("Started");
+        if (!PlatformDependent.isWindows() && !PlatformDependent.isRoot()) {
+            portNumber = BGP_PRIVILEGED_PORT;
+        } else {
+            portNumber = BGP_PORT_NUM;
+        }
         this.init();
         this.run();
     }
@@ -242,7 +249,8 @@ public class Controller {
         if (isPortNumSet) {
             return PORT_NUM_ZERO;
         }
-        return BGP_PORT_NUM;
+
+        return portNumber;
     }
 
     /**

 COMPILE_DEPS = [
     '//lib:CORE_DEPS',
     '//protocols/pcep/pcepio:onos-protocols-pcep-pcepio',
+    '//apps/pcep-api:onos-apps-pcep-api',
+    '//incubator/api:onos-incubator-api',
 ]
 
 osgi_jar_with_tests (

@@ -23,6 +23,7 @@
         <groupId>org.onosproject</groupId>
         <artifactId>onos-pcep-controller</artifactId>
         <version>1.6.0-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
     </parent>
 
     <artifactId>onos-pcep-controller-api</artifactId>
@@ -51,5 +52,9 @@
             <groupId>org.onosproject</groupId>
             <artifactId>onlab-misc</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-incubator-api</artifactId>
+        </dependency>
     </dependencies>
 </project>

@@ -26,6 +26,8 @@ public class ClientCapability {
     private boolean pceccCapability;
     private boolean statefulPceCapability;
     private boolean pcInstantiationCapability;
+    private boolean labelStackCapability;
+    private boolean srCapability;
 
     /**
      * Creates new instance of client capability.
@@ -33,11 +35,34 @@ public class ClientCapability {
      * @param pceccCapability represents PCECC capability
      * @param statefulPceCapability represents stateful PCE capability
      * @param pcInstantiationCapability represents PC initiation capability
+     * @param labelStackCapability represents S bit is set in PCECC capability
+     * @param srCapability represents SR capability
      */
-    public ClientCapability(boolean pceccCapability, boolean statefulPceCapability, boolean pcInstantiationCapability) {
+    public ClientCapability(boolean pceccCapability, boolean statefulPceCapability, boolean pcInstantiationCapability,
+            boolean labelStackCapability, boolean srCapability) {
         this.pceccCapability = pceccCapability;
         this.statefulPceCapability = statefulPceCapability;
         this.pcInstantiationCapability = pcInstantiationCapability;
+        this.labelStackCapability = labelStackCapability;
+        this.srCapability = srCapability;
+    }
+
+    /**
+     * Obtains label stack capability.
+     *
+     * @return true if client supports PCECC capability with S bit set otherwise false
+     */
+    public boolean labelStackCapability() {
+        return labelStackCapability;
+    }
+
+    /**
+     * Obtains segment routing capability.
+     *
+     * @return true if client supports SR capability otherwise false
+     */
+    public boolean srCapability() {
+        return srCapability;
     }
 
     /**
@@ -69,7 +94,8 @@ public class ClientCapability {
 
     @Override
     public int hashCode() {
-        return Objects.hash(pceccCapability, statefulPceCapability, pcInstantiationCapability);
+        return Objects.hash(pceccCapability, statefulPceCapability, pcInstantiationCapability, labelStackCapability,
+                srCapability);
     }
 
     @Override
@@ -81,7 +107,9 @@ public class ClientCapability {
             ClientCapability other = (ClientCapability) obj;
             return Objects.equals(pceccCapability, other.pceccCapability)
                     && Objects.equals(statefulPceCapability, other.statefulPceCapability)
-                    && Objects.equals(pcInstantiationCapability, other.pcInstantiationCapability);
+                    && Objects.equals(pcInstantiationCapability, other.pcInstantiationCapability)
+                    && Objects.equals(labelStackCapability, other.labelStackCapability)
+                    && Objects.equals(srCapability, other.srCapability);
         }
         return false;
     }
@@ -92,6 +120,8 @@ public class ClientCapability {
                 .add("pceccCapability", pceccCapability)
                 .add("statefulPceCapability", statefulPceCapability)
                 .add("pcInstantiationCapability", pcInstantiationCapability)
+                .add("labelStackCapability", labelStackCapability)
+                .add("srCapability", srCapability)
                 .toString();
     }
 }
\ No newline at end of file

+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.pcep.controller;
+
+import java.util.Objects;
+
+import com.google.common.base.MoreObjects;
+
+/**
+ * Representation of LSP info, it will be unique for each LSP.
+ */
+public class LspKey {
+    private int plspId;
+    private short localLspId;
+
+    /**
+     * Creates new instance of LspInfo.
+     *
+     * @param plspId LSP id assigned per tunnel per session
+     * @param localLspId LSP id assigned per tunnel
+     */
+    public LspKey(int plspId, short localLspId) {
+        this.plspId = plspId;
+        this.localLspId = localLspId;
+    }
+
+    /**
+     * Obtains PLSP id.
+     *
+     * @return LSP id assigned per tunnel per session
+     */
+    public int plspId() {
+        return plspId;
+    }
+
+    /**
+     * Obtains local LSP id.
+     *
+     * @return LSP id assigned per tunnel
+     */
+    public short localLspId() {
+        return localLspId;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(plspId, localLspId);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+
+        if (obj instanceof LspKey) {
+            LspKey other = (LspKey) obj;
+            return Objects.equals(plspId, other.plspId)
+                    && Objects.equals(localLspId, other.localLspId);
+        }
+
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(getClass())
+                .add("plspId", plspId)
+                .add("localLspId", localLspId)
+                .toString();
+    }
+}
\ No newline at end of file

@@ -19,6 +19,7 @@ import java.util.List;
 
 import org.onosproject.pcepio.protocol.PcepFactory;
 import org.onosproject.pcepio.protocol.PcepMessage;
+import org.onosproject.pcepio.protocol.PcepStateReport;
 
 /**
  * Represents to provider facing side of a path computation client(pcc).
@@ -135,4 +136,64 @@ public interface PcepClient {
      * @return capability supported by client
      */
     ClientCapability capability();
+
+    /**
+     * Adds PCEP device when session is successfully established.
+     *
+     * @param pc PCEP client details
+     */
+    void addNode(PcepClient pc);
+
+    /**
+     * Removes PCEP device when session is disconnected.
+     *
+     * @param pccId PCEP client ID
+     */
+    void deleteNode(PccId pccId);
+
+     /**
+     * Sets D flag for the given LSP and its LSP info.
+     *
+     * @param lspKey contains LSP info
+     * @param dFlag delegation flag in LSP object
+     */
+    void setLspAndDelegationInfo(LspKey lspKey, boolean dFlag);
+
+    /**
+     * Returns delegation flag for the given LSP info.
+     *
+     * @param lspKey contains LSP info
+     * @return delegation flag
+     */
+    Boolean delegationInfo(LspKey lspKey);
+
+    /**
+     * Creates a temporary cache to hold report messages received during LSPDB sync.
+     *
+     * @param pccId PCC id which is the key to store report messages
+     */
+    void initializeSyncMsgList(PccId pccId);
+
+    /**
+     * Returns the list of report messages received during LSPDB sync.
+     *
+     * @param pccId PCC id which is the key for all the report messages
+     * @return list of report messages received during LSPDB sync
+     */
+    List<PcepStateReport> getSyncMsgList(PccId pccId);
+
+    /**
+     * Removes the list of report messages received during LSPDB sync.
+     *
+     * @param pccId PCC id which is the key for all the report messages
+     */
+    void removeSyncMsgList(PccId pccId);
+
+    /**
+     * Adds report message received during LSPDB sync into temporary cache.
+     *
+     * @param pccId PCC id which is the key to store report messages
+     * @param rptMsg the report message to be stored
+     */
+    void addSyncMsgToList(PccId pccId, PcepStateReport rptMsg);
 }

@@ -57,7 +57,7 @@ public interface PcepClientController {
     void removeListener(PcepClientListener listener);
 
     /**
-     * Register a listener for OF msg events.
+     * Register a listener for PCEP msg events.
      *
      * @param listener the listener to notify
      */
@@ -71,6 +71,34 @@ public interface PcepClientController {
     void removeEventListener(PcepEventListener listener);
 
     /**
+     * Register a listener for PCEP msg events[carrying node descriptor details].
+     *
+     * @param listener the listener to notify
+     */
+    void addNodeListener(PcepNodeListener listener);
+
+    /**
+     * Unregister a listener.
+     *
+     * @param listener the listener to be unregistered
+     */
+    void removeNodeListener(PcepNodeListener listener);
+
+    /**
+     * Register a listener for packet events.
+     *
+     * @param listener the listener to notify
+     */
+    void addPacketListener(PcepPacketListener listener);
+
+    /**
+     * Unregister a packet listener.
+     *
+     * @param listener the listener to unregister
+     */
+    void removePacketListener(PcepPacketListener listener);
+
+    /**
      * Send a message to a particular pcc client.
      *
      * @param pccId the id of the client to send message.

@@ -15,6 +15,7 @@
  */
 package org.onosproject.pcep.controller;
 
+import org.onosproject.incubator.net.tunnel.Tunnel;
 import org.onosproject.pcepio.protocol.PcepMessage;
 /**
  * Notifies providers about PCEP message events.
@@ -28,4 +29,21 @@ public interface PcepEventListener {
      * @param msg the message
      */
     void handleMessage(PccId pccId, PcepMessage msg);
+
+    /**
+     * Handles end of LSPDB sync actions.
+     *
+     * @param tunnel the tunnel on which action needs to be taken
+     * @param endOfSyncAction the action that needs to be taken for the tunnel
+     */
+    void handleEndOfSyncAction(Tunnel tunnel, PcepLspSyncAction endOfSyncAction);
+
+    /**
+     * Handles sending PCEP message to client on end of LSPDB sync.
+     *
+     * @param pccId id of the pcc
+     * @param msg the message to be sent
+     * @param endOfSyncAction the action that needs to be taken in the message
+     */
+    void handleEndOfSyncAction(PccId pccId, PcepMessage msg, PcepLspSyncAction endOfSyncAction);
 }

+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.pcep.controller;
+
+/**
+ * Representation of actions to be taken for LSPs on end of LSP-DB sync.
+ */
+public enum PcepLspSyncAction {
+
+    /**
+     * Specifies that delete message for PCE intiiated tunnel should be sent.
+     */
+    SEND_DELETE(0),
+
+    /**
+     * Specifies that update message should be sent.
+     */
+    SEND_UPDATE(1),
+
+    /**
+     * Specifies that the tunnel should be removed from PCE.
+     */
+    REMOVE(2),
+
+    /**
+     * Specifies that the status of the tunnel should be set as unstable.
+     */
+    UNSTABLE(3);
+
+    int value;
+
+    /**
+     * Assigns val with the value for actions to be taken for LSPs on end of LSP-DB sync.
+     *
+     * @param val sync status
+     */
+    PcepLspSyncAction(int val) {
+        value = val;
+    }
+}

+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.pcep.controller;
+
+/**
+ * Notifies providers about PCEP node events.
+ */
+public interface PcepNodeListener {
+
+    /**
+     * Notifies that the node was added.
+     *
+     * @param pc PCEP client details
+     */
+    void addNode(PcepClient pc);
+
+    /**
+     * Notifies that the node was removed.
+     *
+     * @param pccId PCEP client ID
+     */
+    void deleteNode(PccId pccId);
+}

+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.pcep.controller;
+
+public interface PcepPacketListener {
+
+    void sendPacketIn(PccId pccId);
+
+}

@@ -60,4 +60,25 @@ public interface PcepAgent {
      */
     void processPcepMessage(PccId pccId, PcepMessage m);
 
+    /**
+     * Adds PCEP device when session is successfully established.
+     *
+     * @param pc PCEP client details
+     */
+    void addNode(PcepClient pc);
+
+    /**
+     * Removes PCEP device when session is disconnected.
+     *
+     * @param pccId PCEP client ID
+     */
+    void deleteNode(PccId pccId);
+
+    /**
+     * Analyzes report messages received during LSP DB sync again tunnel store and takes necessary actions.
+     *
+     * @param pccId the id of pcc client
+     * @return success or failure
+     */
+    boolean analyzeSyncMsgList(PccId pccId);
 }

@@ -2,6 +2,7 @@ COMPILE_DEPS = [
     '//lib:CORE_DEPS',
     '//protocols/pcep/pcepio:onos-protocols-pcep-pcepio',
     '//protocols/pcep/api:onos-protocols-pcep-api',
+    '//incubator/api:onos-incubator-api',
 ]
 
 osgi_jar_with_tests (

@@ -55,6 +55,7 @@ import org.onosproject.pcepio.protocol.PcepVersion;
 import org.onosproject.pcepio.types.IPv4RouterIdOfLocalNodeSubTlv;
 import org.onosproject.pcepio.types.NodeAttributesTlv;
 import org.onosproject.pcepio.types.PceccCapabilityTlv;
+import org.onosproject.pcepio.types.SrPceCapabilityTlv;
 import org.onosproject.pcepio.types.StatefulPceCapabilityTlv;
 import org.onosproject.pcepio.types.PcepErrorDetailInfo;
 import org.onosproject.pcepio.types.PcepValueType;
@@ -260,6 +261,8 @@ class PcepChannelHandler extends IdleStateAwareChannelHandler {
                         disconnectDuplicate(h);
                     } else {
                         h.setState(ESTABLISHED);
+                        //Session is established, add a PCEP device
+                        h.addNode();
                     }
                 }
             }
@@ -469,6 +472,20 @@ class PcepChannelHandler extends IdleStateAwareChannelHandler {
     }
 
     /**
+     * Adds PCEP device once session is established.
+     */
+    private void addNode() {
+        pc.addNode(pc);
+    }
+
+    /**
+     * Deletes PCEP device when session is disconnected.
+     */
+    private void deleteNode() {
+        pc.deleteNode(pc.getPccId());
+    }
+
+    /**
      * Return a string describing this client based on the already available
      * information (ip address and/or remote socket).
      *
@@ -523,6 +540,8 @@ class PcepChannelHandler extends IdleStateAwareChannelHandler {
         boolean pceccCapability = false;
         boolean statefulPceCapability = false;
         boolean pcInstantiationCapability = false;
+        boolean labelStackCapability = false;
+        boolean srCapability = false;
 
         ListIterator<PcepValueType> listIterator = tlvList.listIterator();
         while (listIterator.hasNext()) {
@@ -531,6 +550,9 @@ class PcepChannelHandler extends IdleStateAwareChannelHandler {
             switch (tlv.getType()) {
             case PceccCapabilityTlv.TYPE:
                 pceccCapability = true;
+                if (((PceccCapabilityTlv) tlv).sBit()) {
+                    labelStackCapability = true;
+                }
                 break;
             case StatefulPceCapabilityTlv.TYPE:
                 statefulPceCapability = true;
@@ -539,11 +561,15 @@ class PcepChannelHandler extends IdleStateAwareChannelHandler {
                     pcInstantiationCapability = true;
                 }
                 break;
+            case SrPceCapabilityTlv.TYPE:
+                srCapability = true;
+                break;
             default:
                 continue;
             }
         }
-        this.capability = new ClientCapability(pceccCapability, statefulPceCapability, pcInstantiationCapability);
+        this.capability = new ClientCapability(pceccCapability, statefulPceCapability, pcInstantiationCapability,
+                labelStackCapability, srCapability);
     }
 
     /**
@@ -563,6 +589,8 @@ class PcepChannelHandler extends IdleStateAwareChannelHandler {
      */
     private void sendErrMsgAndCloseChannel() {
         // TODO send error message
+        //Remove PCEP device from topology
+        deleteNode();
         channel.close();
     }
 

@@ -15,34 +15,66 @@
  */
 package org.onosproject.pcep.controller.impl;
 
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
+import java.util.HashMap;
 import java.util.HashSet;
+import java.util.Iterator;
 import java.util.LinkedList;
+import java.util.List;
+import java.util.ListIterator;
+import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
 import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
 import org.apache.felix.scr.annotations.Service;
+import org.onosproject.incubator.net.tunnel.IpTunnelEndPoint;
+import org.onosproject.incubator.net.tunnel.Tunnel;
+import org.onosproject.incubator.net.tunnel.TunnelService;
+import org.onosproject.incubator.net.tunnel.Tunnel.State;
+import org.onosproject.net.device.DeviceService;
+import org.onosproject.pcep.controller.LspKey;
 import org.onosproject.pcep.controller.PccId;
 import org.onosproject.pcep.controller.PcepClient;
 import org.onosproject.pcep.controller.PcepClientController;
 import org.onosproject.pcep.controller.PcepClientListener;
 import org.onosproject.pcep.controller.PcepEventListener;
+import org.onosproject.pcep.controller.PcepNodeListener;
+import org.onosproject.pcep.controller.PcepPacketListener;
+import org.onosproject.pcep.controller.PcepSyncStatus;
 import org.onosproject.pcep.controller.driver.PcepAgent;
+import org.onosproject.pcepio.exceptions.PcepParseException;
+import org.onosproject.pcepio.protocol.PcInitiatedLspRequest;
 import org.onosproject.pcepio.protocol.PcepError;
 import org.onosproject.pcepio.protocol.PcepErrorInfo;
 import org.onosproject.pcepio.protocol.PcepErrorMsg;
 import org.onosproject.pcepio.protocol.PcepErrorObject;
 import org.onosproject.pcepio.protocol.PcepFactory;
+import org.onosproject.pcepio.protocol.PcepInitiateMsg;
+import org.onosproject.pcepio.protocol.PcepLspObject;
 import org.onosproject.pcepio.protocol.PcepMessage;
+import org.onosproject.pcepio.protocol.PcepReportMsg;
+import org.onosproject.pcepio.protocol.PcepStateReport;
+import org.onosproject.pcepio.types.PcepValueType;
+import org.onosproject.pcepio.types.StatefulIPv4LspIdentifiersTlv;
+import org.onosproject.pcepio.types.SymbolicPathNameTlv;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import com.google.common.collect.Sets;
+import static com.google.common.base.Preconditions.checkNotNull;
 
+import static org.onosproject.pcep.controller.PcepSyncStatus.IN_SYNC;
+import static org.onosproject.pcep.controller.PcepLspSyncAction.REMOVE;
+import static org.onosproject.pcep.controller.PcepLspSyncAction.SEND_UPDATE;
+import static org.onosproject.pcep.controller.PcepLspSyncAction.SEND_DELETE;
+import static org.onosproject.pcep.controller.PcepLspSyncAction.UNSTABLE;
 import static org.onosproject.pcepio.types.PcepErrorDetailInfo.ERROR_TYPE_19;
 import static org.onosproject.pcepio.types.PcepErrorDetailInfo.ERROR_VALUE_5;
 
@@ -55,6 +87,9 @@ public class PcepClientControllerImpl implements PcepClientController {
 
     private static final Logger log = LoggerFactory.getLogger(PcepClientControllerImpl.class);
 
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected DeviceService deviceService;
+
     protected ConcurrentHashMap<PccId, PcepClient> connectedClients =
             new ConcurrentHashMap<>();
 
@@ -62,9 +97,23 @@ public class PcepClientControllerImpl implements PcepClientController {
     protected Set<PcepClientListener> pcepClientListener = new HashSet<>();
 
     protected Set<PcepEventListener> pcepEventListener = Sets.newHashSet();
+    protected Set<PcepNodeListener> pcepNodeListener = Sets.newHashSet();
+    protected Set<PcepPacketListener> pcepPacketListener = Sets.newHashSet();
 
     private final Controller ctrl = new Controller();
 
+    public static final String BANDWIDTH = "bandwidth";
+    public static final String LSP_SIG_TYPE = "lspSigType";
+    public static final String PCC_TUNNEL_ID = "PccTunnelId";
+    public static final String PLSP_ID = "PLspId";
+    public static final String LOCAL_LSP_ID = "localLspId";
+    public static final String PCE_INIT = "pceInit";
+    public static final String COST_TYPE = "costType";
+    public static final String DELEGATE = "delegation";
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected TunnelService tunnelService;
+
     @Activate
     public void activate() {
         ctrl.start(agent);
@@ -112,11 +161,31 @@ public class PcepClientControllerImpl implements PcepClientController {
     }
 
     @Override
+    public void addPacketListener(PcepPacketListener listener) {
+        pcepPacketListener.add(listener);
+    }
+
+    @Override
+    public void removePacketListener(PcepPacketListener listener) {
+        pcepPacketListener.remove(listener);
+    }
+
+    @Override
     public void writeMessage(PccId pccId, PcepMessage msg) {
         this.getClient(pccId).sendMessage(msg);
     }
 
     @Override
+    public void addNodeListener(PcepNodeListener listener) {
+        pcepNodeListener.add(listener);
+    }
+
+    @Override
+    public void removeNodeListener(PcepNodeListener listener) {
+        pcepNodeListener.remove(listener);
+    }
+
+    @Override
     public void processClientMessage(PccId pccId, PcepMessage msg) {
         PcepClient pc = getClient(pccId);
 
@@ -162,8 +231,48 @@ public class PcepClientControllerImpl implements PcepClientController {
         case REPORT:
             //Only update the listener if respective capability is supported else send PCEP-ERR msg
             if (pc.capability().statefulPceCapability()) {
+
+                ListIterator<PcepStateReport> listIterator = ((PcepReportMsg) msg).getStateReportList().listIterator();
+                while (listIterator.hasNext()) {
+                    PcepStateReport stateRpt = listIterator.next();
+                    if (stateRpt.getLspObject().getSFlag()) {
+                        if (pc.lspDbSyncStatus() != PcepSyncStatus.IN_SYNC) {
+                            // Initialize LSP DB sync and temporary cache.
+                            pc.setLspDbSyncStatus(PcepSyncStatus.IN_SYNC);
+                            pc.initializeSyncMsgList(pccId);
+                        }
+                        // Store stateRpt in temporary cache.
+                        pc.addSyncMsgToList(pccId, stateRpt);
+
+                        // Don't send to provider as of now.
+                        continue;
+                    } else {
+                        if (pc.lspDbSyncStatus() == PcepSyncStatus.IN_SYNC) {
+                            // Set end of LSPDB sync.
+                            pc.setLspDbSyncStatus(PcepSyncStatus.SYNCED);
+
+                            // Call packet provider to initiate label DB sync (only if PCECC capable).
+                            if (pc.capability().pceccCapability()) {
+                                pc.setLabelDbSyncStatus(IN_SYNC);
+                                for (PcepPacketListener l : pcepPacketListener) {
+                                    l.sendPacketIn(pccId);
+                                }
+                            } else {
+                                // If label db sync is not to be done, handle end of LSPDB sync actions.
+                                agent.analyzeSyncMsgList(pccId);
+                            }
+                            continue;
+                        }
+                    }
+
+                    // It's a usual report message while sync is not undergoing. So process it immediately.
+                    LinkedList<PcepStateReport> llPcRptList = new LinkedList<>();
+                    llPcRptList.add(stateRpt);
+                    PcepMessage pcReportMsg = pc.factory().buildReportMsg().setStateReportList((llPcRptList))
+                            .build();
                     for (PcepEventListener l : pcepEventListener) {
-                    l.handleMessage(pccId, msg);
+                        l.handleMessage(pccId, pcReportMsg);
+                    }
                 }
             } else {
                 // Send PCEP-ERROR message.
@@ -173,6 +282,8 @@ public class PcepClientControllerImpl implements PcepClientController {
             break;
         case LABEL_RANGE_RESERV:
             break;
+        case LS_REPORT: //TODO: need to handle LS report to add or remove node
+            break;
         case MAX:
             break;
         case END:
@@ -270,5 +381,176 @@ public class PcepClientControllerImpl implements PcepClientController {
         public void processPcepMessage(PccId pccId, PcepMessage m) {
             processClientMessage(pccId, m);
         }
+
+        @Override
+        public void addNode(PcepClient pc) {
+            for (PcepNodeListener l : pcepNodeListener) {
+                l.addNode(pc);
+            }
+        }
+
+        @Override
+        public void deleteNode(PccId pccId) {
+            for (PcepNodeListener l : pcepNodeListener) {
+                l.deleteNode(pccId);
+            }
+        }
+
+        @SuppressWarnings({ "unchecked", "rawtypes" })
+        @Override
+        public boolean analyzeSyncMsgList(PccId pccId) {
+            PcepClient pc = getClient(pccId);
+            /*
+             * PLSP_ID is null while tunnel is created at PCE and PCInit msg carries it as 0. It is allocated by PCC and
+             * in that case it becomes the first PCRpt msg from PCC for this LSP, and hence symbolic path name must be
+             * carried in the PCRpt msg. Draft says: The SYMBOLIC-PATH-NAME TLV "MUST" be included in the LSP object in
+             * the LSP State Report (PCRpt) message when during a given PCEP session an LSP is "first" reported to a
+             * PCE. So two separate lists with separate keys are maintained.
+             */
+            Map<LspKey, Tunnel> preSyncLspDbByKey = new HashMap<>();
+            Map<String, Tunnel> preSyncLspDbByName = new HashMap<>();
+
+            // Query tunnel service and fetch all the tunnels with this PCC as ingress.
+            // Organize into two maps, with LSP key if known otherwise with symbolic path name, for quick search.
+            Collection<Tunnel> queriedTunnels = tunnelService.queryTunnel(Tunnel.Type.MPLS);
+            for (Tunnel tunnel : queriedTunnels) {
+                if (((IpTunnelEndPoint) tunnel.src()).ip().equals(pccId.ipAddress())) {
+                    String pLspId = tunnel.annotations().value(PLSP_ID);
+                    if (pLspId != null) {
+                        String localLspId = tunnel.annotations().value(LOCAL_LSP_ID);
+                        checkNotNull(localLspId);
+                        LspKey lspKey = new LspKey(Integer.valueOf(pLspId), Short.valueOf(localLspId));
+                        preSyncLspDbByKey.put(lspKey, tunnel);
+                    } else {
+                        preSyncLspDbByName.put(tunnel.tunnelName().value(), tunnel);
+                    }
+                }
+            }
+
+            List<PcepStateReport> syncStateRptList = pc.getSyncMsgList(pccId);
+            Iterator<PcepStateReport> stateRptListIterator = syncStateRptList.iterator();
+
+            // For every report, fetch PLSP id, local LSP id and symbolic path name from the message.
+            while (syncStateRptList.iterator().hasNext()) {
+                PcepStateReport stateRpt = stateRptListIterator.next();
+                Tunnel tunnel = null;
+
+                PcepLspObject lspObj = stateRpt.getLspObject();
+                ListIterator<PcepValueType> listTlvIterator = lspObj.getOptionalTlv().listIterator();
+                StatefulIPv4LspIdentifiersTlv ipv4LspIdenTlv = null;
+                SymbolicPathNameTlv pathNameTlv = null;
+
+                while (listTlvIterator.hasNext()) {
+                    PcepValueType tlv = listTlvIterator.next();
+                    switch (tlv.getType()) {
+                    case StatefulIPv4LspIdentifiersTlv.TYPE:
+                        ipv4LspIdenTlv = (StatefulIPv4LspIdentifiersTlv) tlv;
+                        break;
+
+                    case SymbolicPathNameTlv.TYPE:
+                        pathNameTlv = (SymbolicPathNameTlv) tlv;
+                        break;
+
+                    default:
+                        break;
+                    }
+                }
+
+                LspKey lspKeyOfRpt = new LspKey(lspObj.getPlspId(), ipv4LspIdenTlv.getLspId());
+                tunnel = preSyncLspDbByKey.get(lspKeyOfRpt);
+                // PCE tunnel is matched with PCRpt LSP. Now delete it from the preSyncLspDb list as the residual
+                // non-matching list will be processed at the end.
+                if (tunnel != null) {
+                    preSyncLspDbByKey.remove(lspKeyOfRpt);
+                } else if (pathNameTlv != null) {
+                    tunnel = preSyncLspDbByName.get(Arrays.toString(pathNameTlv.getValue()));
+                    if (tunnel != null) {
+                        preSyncLspDbByName.remove(tunnel.tunnelName());
+                    }
+                }
+
+                if (tunnel == null) {
+                    // If remove flag is set, and tunnel is not known to PCE, ignore it.
+                    if (lspObj.getCFlag() && !lspObj.getRFlag()) {
+                        // For initiated LSP, need to send PCInit delete msg.
+                        try {
+                            PcInitiatedLspRequest releaseLspRequest = pc.factory().buildPcInitiatedLspRequest()
+                                    .setLspObject(lspObj).build();
+                            LinkedList<PcInitiatedLspRequest> llPcInitiatedLspRequestList
+                                    = new LinkedList<PcInitiatedLspRequest>();
+                            llPcInitiatedLspRequestList.add(releaseLspRequest);
+
+                            PcepInitiateMsg pcInitiateMsg = pc.factory().buildPcepInitiateMsg()
+                                    .setPcInitiatedLspRequestList(llPcInitiatedLspRequestList).build();
+
+                            for (PcepEventListener l : pcepEventListener) {
+                                l.handleEndOfSyncAction(pccId, pcInitiateMsg, SEND_DELETE);
+                            }
+
+                        } catch (PcepParseException e) {
+                            log.error("Exception occured while sending initiate delete message {}", e.getMessage());
+                        }
+                    }
+                    continue;
+                }
+
+                if (!lspObj.getCFlag()) {
+                    // For learned LSP process both add/update PCRpt.
+                    LinkedList<PcepStateReport> llPcRptList = new LinkedList<>();
+                    llPcRptList.add(stateRpt);
+                    PcepMessage pcReportMsg = pc.factory().buildReportMsg().setStateReportList((llPcRptList))
+                            .build();
+
+                    for (PcepEventListener l : pcepEventListener) {
+                        l.handleMessage(pccId, pcReportMsg);
+                    }
+                    continue;
+                }
+
+                // Implied that tunnel != null and lspObj.getCFlag() is set
+                // State different for PCC sent LSP and PCE known LSP, send PCUpd msg.
+                State tunnelState = PcepLspStatus
+                        .getTunnelStatusFromLspStatus(PcepLspStatus.values()[lspObj.getOFlag()]);
+                if (tunnelState != tunnel.state()) {
+                    for (PcepEventListener l : pcepEventListener) {
+                        l.handleEndOfSyncAction(tunnel, SEND_UPDATE);
+                    }
+                }
+            }
+
+            // Check which tunnels are extra at PCE that were not reported by PCC.
+            Map<Object, Tunnel> preSyncLspDb = (Map) preSyncLspDbByKey;
+            handleResidualTunnels(preSyncLspDb);
+            preSyncLspDbByKey = null;
+
+            preSyncLspDb = (Map) preSyncLspDbByName;
+            handleResidualTunnels(preSyncLspDb);
+            preSyncLspDbByName = null;
+            preSyncLspDb = null;
+
+            pc.removeSyncMsgList(pccId);
+            return true;
+        }
+
+        /*
+         * Go through the tunnels which are known by PCE but were not reported by PCC during LSP DB sync and take
+         * appropriate actions.
+         */
+        private void handleResidualTunnels(Map<Object, Tunnel> preSyncLspDb) {
+            for (Tunnel pceExtraTunnel : preSyncLspDb.values()) {
+                if (pceExtraTunnel.annotations().value(PCE_INIT) == null
+                        || "false".equalsIgnoreCase(pceExtraTunnel.annotations().value(PCE_INIT))) {
+                    // PCC initiated tunnels should be removed from tunnel store.
+                    for (PcepEventListener l : pcepEventListener) {
+                        l.handleEndOfSyncAction(pceExtraTunnel, REMOVE);
+                    }
+                } else {
+                    // PCE initiated tunnels should be initiated again.
+                    for (PcepEventListener l : pcepEventListener) {
+                        l.handleEndOfSyncAction(pceExtraTunnel, UNSTABLE);
+                    }
+                }
+            }
+        }
     }
 }

@@ -19,13 +19,18 @@ package org.onosproject.pcep.controller.impl;
 import java.net.InetSocketAddress;
 import java.net.SocketAddress;
 import java.util.Collections;
+import java.util.HashMap;
+import java.util.LinkedList;
 import java.util.List;
+import java.util.Map;
 import java.util.concurrent.RejectedExecutionException;
 
 import org.jboss.netty.channel.Channel;
 import org.onlab.packet.IpAddress;
 import org.onosproject.pcep.controller.ClientCapability;
+import org.onosproject.pcep.controller.LspKey;
 import org.onosproject.pcep.controller.PccId;
+import org.onosproject.pcep.controller.PcepClient;
 import org.onosproject.pcep.controller.PcepPacketStats;
 import org.onosproject.pcep.controller.PcepSyncStatus;
 import org.onosproject.pcep.controller.driver.PcepAgent;
@@ -33,6 +38,7 @@ import org.onosproject.pcep.controller.driver.PcepClientDriver;
 import org.onosproject.pcepio.protocol.PcepFactories;
 import org.onosproject.pcepio.protocol.PcepFactory;
 import org.onosproject.pcepio.protocol.PcepMessage;
+import org.onosproject.pcepio.protocol.PcepStateReport;
 import org.onosproject.pcepio.protocol.PcepVersion;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -66,6 +72,8 @@ public class PcepClientImpl implements PcepClientDriver {
     private byte deadTime;
     private byte sessionId;
     private PcepPacketStatsImpl pktStats;
+    private Map<LspKey, Boolean> lspDelegationInfo;
+    private Map<PccId, List<PcepStateReport>> sycRptCache = new HashMap<>();
 
     @Override
     public void init(PccId pccId, PcepVersion pcepVersion, PcepPacketStats pktStats) {
@@ -188,7 +196,14 @@ public class PcepClientImpl implements PcepClientDriver {
 
     @Override
     public void setLabelDbSyncStatus(PcepSyncStatus syncStatus) {
+
+        PcepSyncStatus syncOldStatus = labelDbSyncStatus();
         this.labelDbSyncStatus = syncStatus;
+
+        if ((syncOldStatus == PcepSyncStatus.IN_SYNC) && (syncStatus == PcepSyncStatus.SYNCED)) {
+            // Perform end of LSP DB sync actions.
+            this.agent.analyzeSyncMsgList(pccId);
+        }
     }
 
     @Override
@@ -203,6 +218,16 @@ public class PcepClientImpl implements PcepClientDriver {
     }
 
     @Override
+    public void addNode(PcepClient pc) {
+        this.agent.addNode(pc);
+    }
+
+    @Override
+    public void deleteNode(PccId pccId) {
+        this.agent.deleteNode(pccId);
+    }
+
+    @Override
     public final boolean connectClient() {
         return this.agent.addConnectedClient(pccId, this);
     }
@@ -230,6 +255,39 @@ public class PcepClientImpl implements PcepClientDriver {
     }
 
     @Override
+    public void setLspAndDelegationInfo(LspKey lspKey, boolean dFlag) {
+        lspDelegationInfo.put(lspKey, dFlag);
+    }
+
+    @Override
+    public Boolean delegationInfo(LspKey lspKey) {
+        return lspDelegationInfo.get(lspKey);
+    }
+
+    @Override
+    public void initializeSyncMsgList(PccId pccId) {
+        List<PcepStateReport> rptMsgList = new LinkedList<>();
+        sycRptCache.put(pccId, rptMsgList);
+    }
+
+    @Override
+    public List<PcepStateReport> getSyncMsgList(PccId pccId) {
+        return sycRptCache.get(pccId);
+    }
+
+    @Override
+    public void removeSyncMsgList(PccId pccId) {
+        sycRptCache.remove(pccId);
+    }
+
+    @Override
+    public void addSyncMsgToList(PccId pccId, PcepStateReport rptMsg) {
+        List<PcepStateReport> rptMsgList = sycRptCache.get(pccId);
+        rptMsgList.add(rptMsg);
+        sycRptCache.put(pccId, rptMsgList);
+    }
+
+    @Override
     public boolean isOptical() {
         return false;
     }

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.onosproject.provider.pcep.tunnel.impl;
+package org.onosproject.pcep.controller.impl;
 
 import org.onosproject.incubator.net.tunnel.Tunnel.State;
 
@@ -51,6 +51,7 @@ public enum PcepLspStatus {
      * Returns the applicable PCEP LSP status corresponding to ONOS tunnel state.
      *
      * @param tunnelState ONOS tunnel state
+     * @return LSP status as per protocol
      */
     public static PcepLspStatus getLspStatusFromTunnelStatus(State tunnelState) {
 
@@ -76,6 +77,7 @@ public enum PcepLspStatus {
      * Returns the applicable ONOS tunnel state corresponding to PCEP LSP status.
      *
      * @param lspState PCEP LSP status
+     * @return tunnel state
      */
     public static State getTunnelStatusFromLspStatus(PcepLspStatus lspState) {
 

@@ -29,14 +29,14 @@ public interface PcepBandwidthObject {
      *
      * @return bandwidth value
      */
-    int getBandwidth();
+    float getBandwidth();
 
     /**
      * Sets bandwidth with specified value.
      *
      * @param iBandwidth Bandwidth's value
      */
-    void setBandwidth(int iBandwidth);
+    void setBandwidth(float iBandwidth);
 
     /**
      * Writes the BandwidthObject into channel buffer.

@@ -51,6 +51,7 @@ public class PcepBandwidthObjectVer1 implements PcepBandwidthObject {
     public static final byte BANDWIDTH_OBJ_TYPE = 1;
     public static final byte BANDWIDTH_OBJ_CLASS = 5;
     public static final byte BANDWIDTH_OBJECT_VERSION = 1;
+    public static final int NO_OF_BITS = 8;
     public static final short BANDWIDTH_OBJ_MINIMUM_LENGTH = 8;
 
     static final PcepObjectHeader DEFAULT_BANDWIDTH_OBJECT_HEADER = new PcepObjectHeader(BANDWIDTH_OBJ_CLASS,
@@ -58,7 +59,7 @@ public class PcepBandwidthObjectVer1 implements PcepBandwidthObject {
             BANDWIDTH_OBJ_MINIMUM_LENGTH);
 
     private PcepObjectHeader bandwidthObjHeader;
-    private int iBandwidth;
+    private float iBandwidth;
 
     /**
      * Constructor to bandwidth object header and bandwidth.
@@ -66,7 +67,7 @@ public class PcepBandwidthObjectVer1 implements PcepBandwidthObject {
      * @param bandwidthObjHeader bandwidth object header
      * @param iBandwidth bandwidth value
      */
-    public PcepBandwidthObjectVer1(PcepObjectHeader bandwidthObjHeader, int iBandwidth) {
+    public PcepBandwidthObjectVer1(PcepObjectHeader bandwidthObjHeader, float iBandwidth) {
         this.bandwidthObjHeader = bandwidthObjHeader;
         this.iBandwidth = iBandwidth;
     }
@@ -76,7 +77,7 @@ public class PcepBandwidthObjectVer1 implements PcepBandwidthObject {
      *
      * @param iBandwidth bandwidth value
      */
-    public PcepBandwidthObjectVer1(int iBandwidth) {
+    public PcepBandwidthObjectVer1(float iBandwidth) {
         this.bandwidthObjHeader = DEFAULT_BANDWIDTH_OBJECT_HEADER;
         this.iBandwidth = iBandwidth;
     }
@@ -100,12 +101,12 @@ public class PcepBandwidthObjectVer1 implements PcepBandwidthObject {
     }
 
     @Override
-    public int getBandwidth() {
+    public float getBandwidth() {
         return this.iBandwidth;
     }
 
     @Override
-    public void setBandwidth(int iBandwidth) {
+    public void setBandwidth(float iBandwidth) {
         this.iBandwidth = iBandwidth;
     }
 
@@ -119,12 +120,25 @@ public class PcepBandwidthObjectVer1 implements PcepBandwidthObject {
     public static PcepBandwidthObject read(ChannelBuffer cb) throws PcepParseException {
 
         PcepObjectHeader bandwidthObjHeader;
-        int iBandwidth;
+        float bandwidth;
 
         bandwidthObjHeader = PcepObjectHeader.read(cb);
-        iBandwidth = cb.readInt();
+        bandwidth = ieeeToFloatRead(cb.readInt()) * NO_OF_BITS;
 
-        return new PcepBandwidthObjectVer1(bandwidthObjHeader, iBandwidth);
+        return new PcepBandwidthObjectVer1(bandwidthObjHeader, bandwidth);
+    }
+
+    /**
+     * Parse the IEEE floating point notation and returns it in normal float.
+     *
+     * @param iVal IEEE floating point number
+     * @return normal float
+     */
+    public static float ieeeToFloatRead(int iVal) {
+        iVal = (((iVal & 0xFF) << 24) | ((iVal & 0xFF00) << 8)
+                | ((iVal & 0xFF0000) >> 8) | ((iVal >> 24) & 0xFF));
+
+        return Float.intBitsToFloat(iVal);
     }
 
     @Override
@@ -138,7 +152,7 @@ public class PcepBandwidthObjectVer1 implements PcepBandwidthObject {
             throw new PcepParseException("Failed to write bandwidth object header. Index " + objLenIndex);
         }
 
-        cb.writeInt(iBandwidth);
+        cb.writeInt(Float.floatToIntBits(iBandwidth));
         short hLength = (short) (cb.writerIndex() - objStartIndex);
         cb.setShort(objLenIndex, hLength);
         //will be helpful during print().

@@ -16,8 +16,10 @@
 
 package org.onosproject.pcepio.protocol.ver1;
 
+import java.util.Iterator;
 import java.util.LinkedList;
 import java.util.ListIterator;
+import java.util.Objects;
 
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.onosproject.pcepio.exceptions.PcepParseException;
@@ -399,10 +401,47 @@ public class PcepEroObjectVer1 implements PcepEroObject {
     }
 
     @Override
+    public int hashCode() {
+        return Objects.hash(eroObjHeader, subObjectList);
+    }
+
+    @Override
     public String toString() {
         return MoreObjects.toStringHelper(getClass()).omitNullValues()
                 .add("EroObjHeader", eroObjHeader)
                 .add("SubObjects", subObjectList)
                 .toString();
     }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+
+        if (obj instanceof PcepEroObjectVer1) {
+            int countObjSubTlv = 0;
+            int countOtherSubTlv = 0;
+            boolean isCommonSubTlv = true;
+            PcepEroObjectVer1 other = (PcepEroObjectVer1) obj;
+            Iterator<PcepValueType> objListIterator = other.subObjectList.iterator();
+            countOtherSubTlv = other.subObjectList.size();
+            countObjSubTlv = subObjectList.size();
+            if (countObjSubTlv != countOtherSubTlv) {
+                return false;
+            } else {
+                while (objListIterator.hasNext() && isCommonSubTlv) {
+                    PcepValueType subTlv = objListIterator.next();
+                    if (subObjectList.contains(subTlv)) {
+                        isCommonSubTlv = Objects.equals(subObjectList.get(subObjectList.indexOf(subTlv)),
+                                         other.subObjectList.get(other.subObjectList.indexOf(subTlv)));
+                    } else {
+                        isCommonSubTlv = false;
+                    }
+                }
+                return isCommonSubTlv && Objects.equals(eroObjHeader, other.eroObjHeader);
+            }
+        }
+        return false;
+    }
 }

@@ -57,6 +57,10 @@ public class PcepMetricObjectVer1 implements PcepMetricObject {
     public static final int BFLAG_RESET = 0;
     public static final byte CFLAG_CHECK = 0x02;
 
+    public static final byte IGP_METRIC = 0x01;
+    public static final byte TE_METRIC = 0x02;
+    public static final byte HOP_COUNT_METRIC = 0x03;
+
     static final PcepObjectHeader DEFAULT_METRIC_OBJECT_HEADER = new PcepObjectHeader(METRIC_OBJ_CLASS,
             METRIC_OBJ_TYPE, PcepObjectHeader.REQ_OBJ_OPTIONAL_PROCESS, PcepObjectHeader.RSP_OBJ_PROCESSED,
             METRIC_OBJ_MINIMUM_LENGTH);

@@ -16,6 +16,8 @@
 
 package org.onosproject.pcepio.types;
 
+import java.util.Objects;
+
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -212,6 +214,27 @@ public class PcepObjectHeader {
     }
 
     @Override
+    public int hashCode() {
+        return Objects.hash(objClass, objType, bPFlag, bIFlag, objLen);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof PcepObjectHeader) {
+            PcepObjectHeader other = (PcepObjectHeader) obj;
+            return Objects.equals(objClass, other.objClass)
+                    && Objects.equals(objType, other.objType)
+                    && Objects.equals(bPFlag, other.bPFlag)
+                    && Objects.equals(bIFlag, other.bIFlag)
+                    && Objects.equals(objLen, other.objLen);
+        }
+        return false;
+    }
+
+    @Override
     public String toString() {
         return MoreObjects.toStringHelper(getClass())
                 .add("ObjectClass", objClass)

@@ -40,6 +40,11 @@
         </dependency>
         <dependency>
             <groupId>org.onosproject</groupId>
+            <artifactId>onos-incubator-api</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
             <artifactId>onos-api</artifactId>
             <classifier>tests</classifier>
             <scope>test</scope>

@@ -3,6 +3,7 @@ COMPILE_DEPS = [
     '//protocols/bgp/api:onos-protocols-bgp-api',
     '//protocols/bgp/bgpio:onos-protocols-bgp-bgpio',
     '//incubator/store:onos-incubator-store',
+    '//incubator/api:onos-incubator-api',
 ]
 
 TEST_DEPS = [

@@ -17,11 +17,16 @@ import static org.onosproject.bgp.controller.BgpDpid.uri;
 import static org.onosproject.net.DeviceId.deviceId;
 import static org.onosproject.net.Device.Type.ROUTER;
 import static org.onosproject.net.Device.Type.VIRTUAL;
+import static org.onosproject.incubator.net.resource.label.LabelResourceId.labelResourceId;
+import static java.util.stream.Collectors.toList;
 
+import java.util.LinkedList;
 import java.util.List;
 import java.util.Set;
 
 import org.onlab.packet.ChassisId;
+import org.onlab.packet.Ip4Address;
+import org.onlab.util.Bandwidth;
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
 import org.apache.felix.scr.annotations.Deactivate;
@@ -45,9 +50,21 @@ import org.onosproject.bgpio.types.IPv4AddressTlv;
 import org.onosproject.bgpio.types.IsIsNonPseudonode;
 import org.onosproject.bgpio.types.IsIsPseudonode;
 import org.onosproject.bgpio.types.LinkLocalRemoteIdentifiersTlv;
+import org.onosproject.bgpio.types.LinkStateAttributes;
 import org.onosproject.bgpio.types.OspfNonPseudonode;
 import org.onosproject.bgpio.types.OspfPseudonode;
+import org.onosproject.bgpio.types.attr.BgpAttrNodeFlagBitTlv;
+import org.onosproject.bgpio.types.attr.BgpAttrNodeIsIsAreaId;
+import org.onosproject.bgpio.types.attr.BgpAttrRouterIdV4;
+import org.onosproject.bgpio.types.attr.BgpLinkAttrIgpMetric;
+import org.onosproject.bgpio.types.attr.BgpLinkAttrMaxLinkBandwidth;
+import org.onosproject.bgpio.types.attr.BgpLinkAttrTeDefaultMetric;
 import org.onosproject.core.CoreService;
+import org.onosproject.incubator.net.resource.label.LabelResourceAdminService;
+import org.onosproject.incubator.net.resource.label.LabelResourceId;
+import org.onosproject.mastership.MastershipEvent;
+import org.onosproject.mastership.MastershipListener;
+import org.onosproject.mastership.MastershipService;
 import org.onosproject.net.AnnotationKeys;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.DefaultAnnotations;
@@ -56,12 +73,15 @@ import org.onosproject.net.DeviceId;
 import org.onosproject.net.Link;
 import org.onosproject.net.MastershipRole;
 import org.onosproject.net.PortNumber;
+import org.onosproject.net.config.NetworkConfigService;
 import org.onosproject.net.device.DefaultDeviceDescription;
+import org.onosproject.net.device.DefaultPortDescription;
 import org.onosproject.net.device.DeviceDescription;
 import org.onosproject.net.device.DeviceProvider;
 import org.onosproject.net.device.DeviceProviderRegistry;
 import org.onosproject.net.device.DeviceProviderService;
 import org.onosproject.net.device.DeviceService;
+import org.onosproject.net.device.PortDescription;
 import org.onosproject.net.link.DefaultLinkDescription;
 import org.onosproject.net.link.LinkDescription;
 import org.onosproject.net.link.LinkProvider;
@@ -70,6 +90,7 @@ import org.onosproject.net.link.LinkProviderService;
 import org.onosproject.net.link.LinkService;
 import org.onosproject.net.provider.AbstractProvider;
 import org.onosproject.net.provider.ProviderId;
+import org.onosproject.net.config.basics.BandwidthCapacity;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -106,16 +127,39 @@ public class BgpTopologyProvider extends AbstractProvider implements DeviceProvi
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected CoreService coreService;
 
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected MastershipService mastershipService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected LabelResourceAdminService labelResourceAdminService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected NetworkConfigService networkConfigService;
+
     private DeviceProviderService deviceProviderService;
     private LinkProviderService linkProviderService;
 
+    private InternalMastershipListener masterListener = new InternalMastershipListener();
     private InternalBgpProvider listener = new InternalBgpProvider();
     private static final String UNKNOWN = "unknown";
     public static final long IDENTIFIER_SET = 0x100000000L;
     public static final String AS_NUMBER = "asNumber";
     public static final String DOMAIN_IDENTIFIER = "domainIdentifier";
     public static final String ROUTING_UNIVERSE = "routingUniverse";
+
+    public static final String EXTERNAL_BIT = "externalBit";
+    public static final String ABR_BIT = "abrBit";
+    public static final String INTERNAL_BIT = "internalBit";
+    public static final String PSEUDO = "psuedo";
+    public static final String AREAID = "areaId";
+    public static final String LSRID = "lsrId";
+    public static final String COST = "cost";
+    public static final String TE_COST = "teCost";
+
     public static final long PSEUDO_PORT = 0xffffffff;
+    public static final int DELAY = 2;
+    private LabelResourceId beginLabel = labelResourceId(5122);
+    private LabelResourceId endLabel = labelResourceId(9217);
 
     @Activate
     public void activate() {
@@ -123,6 +167,7 @@ public class BgpTopologyProvider extends AbstractProvider implements DeviceProvi
         deviceProviderService = deviceProviderRegistry.register(this);
         linkProviderService = linkProviderRegistry.register(this);
         controller.addListener(listener);
+        mastershipService.addListener(masterListener);
         controller.addLinkListener(listener);
     }
 
@@ -135,6 +180,27 @@ public class BgpTopologyProvider extends AbstractProvider implements DeviceProvi
         linkProviderService = null;
         controller.removeListener(listener);
         controller.removeLinkListener(listener);
+        mastershipService.removeListener(masterListener);
+    }
+
+    private class InternalMastershipListener implements MastershipListener {
+        @Override
+        public void event(MastershipEvent event) {
+            if (event.type() == MastershipEvent.Type.MASTER_CHANGED) {
+                if (mastershipService.getMasterFor(event.subject()) != null) {
+                    //Only for L3 device create label pool for that device
+                    Device device = deviceService.getDevice(event.subject());
+                    if (device == null) {
+                        log.debug("Device {} doesn't exist", event.subject());
+                        return;
+                    }
+                    //Reserve device label pool for L3 devices
+                    if (device.annotations().value(LSRID) != null) {
+                        createDevicePool(event.subject());
+                    }
+                }
+            }
+        }
     }
 
     /*
@@ -146,7 +212,7 @@ public class BgpTopologyProvider extends AbstractProvider implements DeviceProvi
         public void addNode(BgpNodeLSNlriVer4 nodeNlri, PathAttrNlriDetails details) {
             log.debug("Add node {}", nodeNlri.toString());
 
-            if (deviceProviderService == null) {
+            if (deviceProviderService == null || deviceService == null) {
                 return;
             }
             Device.Type deviceType = ROUTER;
@@ -154,6 +220,13 @@ public class BgpTopologyProvider extends AbstractProvider implements DeviceProvi
             DeviceId deviceId = deviceId(uri(nodeUri.toString()));
             ChassisId cId = new ChassisId();
 
+            /*
+             * Check if device is already there (available) , if yes not updating to core.
+             */
+            if (deviceService.isAvailable(deviceId)) {
+                return;
+            }
+
             DefaultAnnotations.Builder newBuilder = DefaultAnnotations.builder();
 
             newBuilder.set(AnnotationKeys.TYPE, "L3");
@@ -183,11 +256,13 @@ public class BgpTopologyProvider extends AbstractProvider implements DeviceProvi
                     }
                 }
             }
+            DefaultAnnotations.Builder anntotations = DefaultAnnotations.builder();
+            anntotations = getAnnotations(newBuilder, true, details);
 
             DeviceDescription description = new DefaultDeviceDescription(uri(nodeUri.toString()), deviceType, UNKNOWN,
-                    UNKNOWN, UNKNOWN, UNKNOWN, cId, newBuilder.build());
-            deviceProviderService.deviceConnected(deviceId, description);
+                    UNKNOWN, UNKNOWN, UNKNOWN, cId, anntotations.build());
 
+            deviceProviderService.deviceConnected(deviceId, description);
         }
 
         @Override
@@ -200,6 +275,12 @@ public class BgpTopologyProvider extends AbstractProvider implements DeviceProvi
 
             BgpDpid deviceUri = new BgpDpid(nodeNlri);
             DeviceId deviceId = deviceId(uri(deviceUri.toString()));
+
+            if (labelResourceAdminService != null) {
+                //Destroy local device label pool reserved for that device
+                labelResourceAdminService.destroyDevicePool(deviceId);
+            }
+
             deviceProviderService.deviceDisconnected(deviceId);
         }
 
@@ -211,6 +292,24 @@ public class BgpTopologyProvider extends AbstractProvider implements DeviceProvi
                 return;
             }
             LinkDescription linkDes = buildLinkDes(linkNlri, details, true);
+
+            /*
+             * Update link ports and configure bandwidth on source and destination port using networkConfig service
+             * Only master of source link registers for bandwidth
+             */
+            if (mastershipService.isLocalMaster(linkDes.src().deviceId())) {
+                registerBandwidth(linkDes, details);
+            }
+
+            //Updating ports of the link
+            List<PortDescription> srcPortDescriptions = new LinkedList<>();
+            srcPortDescriptions.add(new DefaultPortDescription(linkDes.src().port(), true));
+            deviceProviderService.updatePorts(linkDes.src().deviceId(), srcPortDescriptions);
+
+            List<PortDescription> dstPortDescriptions = new LinkedList<>();
+            dstPortDescriptions.add(new DefaultPortDescription(linkDes.dst().port(), true));
+            deviceProviderService.updatePorts(linkDes.dst().deviceId(), dstPortDescriptions);
+
             linkProviderService.linkDetected(linkDes);
         }
 
@@ -273,7 +372,12 @@ public class BgpTopologyProvider extends AbstractProvider implements DeviceProvi
 
             addOrDeletePseudoNode(isAddLink, localPseduo, remotePseduo, srcNodeNlri,
                      dstNodeNlri, srcId, dstId, details);
-            return new DefaultLinkDescription(src, dst, Link.Type.DIRECT, false);
+            DefaultAnnotations.Builder annotationBuilder = DefaultAnnotations.builder();
+            if (details != null) {
+                annotationBuilder = getAnnotations(annotationBuilder, false, details);
+            }
+
+            return new DefaultLinkDescription(src, dst, Link.Type.DIRECT, false, annotationBuilder.build());
         }
 
         private void addOrDeletePseudoNode(boolean isAddLink, boolean localPseduo, boolean remotePseduo,
@@ -322,10 +426,140 @@ public class BgpTopologyProvider extends AbstractProvider implements DeviceProvi
             }
 
             LinkDescription linkDes = buildLinkDes(linkNlri, null, false);
+
+            /*
+             * Only master for the link src will release the bandwidth resource.
+             */
+            if (networkConfigService != null && mastershipService.isLocalMaster(linkDes.src().deviceId())) {
+                // Releases registered resource for this link
+                networkConfigService.removeConfig(linkDes.src(), BandwidthCapacity.class);
+                networkConfigService.removeConfig(linkDes.dst(), BandwidthCapacity.class);
+            }
+
             linkProviderService.linkVanished(linkDes);
         }
     }
 
+    // Creates label resource pool for the specific device. For all devices label range is 5122-9217
+    private void createDevicePool(DeviceId deviceId) {
+        if (labelResourceAdminService == null) {
+            return;
+        }
+
+        labelResourceAdminService.createDevicePool(deviceId, beginLabel, endLabel);
+    }
+
+    private void registerBandwidth(LinkDescription linkDes, PathAttrNlriDetails details) {
+        if (details ==  null) {
+            log.error("Couldnot able to register bandwidth ");
+            return;
+        }
+
+        List<BgpValueType> attribute = details.pathAttributes().stream()
+                .filter(attr -> attr instanceof LinkStateAttributes).collect(toList());
+        if (attribute.isEmpty()) {
+            return;
+        }
+
+        List<BgpValueType> tlvs = ((LinkStateAttributes) attribute.iterator().next()).linkStateAttributes();
+        float maxReservableBw = 0;
+
+        for (BgpValueType tlv : tlvs) {
+            switch (tlv.getType()) {
+            case LinkStateAttributes.ATTR_LINK_MAX_RES_BANDWIDTH:
+                maxReservableBw = ((BgpLinkAttrMaxLinkBandwidth) tlv).linkAttrMaxLinkBandwidth();
+                break;
+            default: // do nothing
+            }
+        }
+
+        if (maxReservableBw == 0.0) {
+            return;
+        }
+
+        //Configure bandwidth for src and dst port
+        BandwidthCapacity config = networkConfigService.addConfig(linkDes.src(), BandwidthCapacity.class);
+        config.capacity(Bandwidth.bps(maxReservableBw)).apply();
+
+        config = networkConfigService.addConfig(linkDes.dst(), BandwidthCapacity.class);
+        config.capacity(Bandwidth.bps(maxReservableBw)).apply();
+    }
+
+    private DefaultAnnotations.Builder getAnnotations(DefaultAnnotations.Builder annotationBuilder, boolean isNode,
+            PathAttrNlriDetails details) {
+
+        List<BgpValueType> attribute = details.pathAttributes().stream()
+                .filter(attr -> attr instanceof LinkStateAttributes).collect(toList());
+        if (attribute.isEmpty()) {
+            return annotationBuilder;
+        }
+        List<BgpValueType> tlvs = ((LinkStateAttributes) attribute.iterator().next()).linkStateAttributes();
+        boolean abrBit = false;
+        boolean externalBit = false;
+        boolean pseudo = false;
+        int igpMetric = 0;
+        int teMetric = 0;
+        byte[] areaId = null;
+        Ip4Address routerId = null;
+        for (BgpValueType tlv : tlvs) {
+            switch (tlv.getType()) {
+            case LinkStateAttributes.ATTR_NODE_FLAG_BITS:
+                abrBit = ((BgpAttrNodeFlagBitTlv) tlv).abrBit();
+                externalBit = ((BgpAttrNodeFlagBitTlv) tlv).externalBit();
+                break;
+            case NodeDescriptors.IGP_ROUTERID_TYPE:
+                if (tlv instanceof IsIsPseudonode || tlv instanceof OspfPseudonode) {
+                    pseudo = true;
+                }
+                break;
+            case LinkStateAttributes.ATTR_NODE_ISIS_AREA_ID:
+                areaId = ((BgpAttrNodeIsIsAreaId) tlv).attrNodeIsIsAreaId();
+                break;
+            case LinkStateAttributes.ATTR_NODE_IPV4_LOCAL_ROUTER_ID:
+                routerId = ((BgpAttrRouterIdV4) tlv).attrRouterId();
+                break;
+            case LinkStateAttributes.ATTR_LINK_IGP_METRIC:
+                igpMetric = ((BgpLinkAttrIgpMetric) tlv).attrLinkIgpMetric();
+                break;
+            case LinkStateAttributes.ATTR_LINK_TE_DEFAULT_METRIC:
+                teMetric = ((BgpLinkAttrTeDefaultMetric) tlv).attrLinkDefTeMetric();
+                break;
+            default: // do nothing
+            }
+        }
+
+        // Annotations for device
+        if (isNode) {
+            boolean internalBit = false;
+            if (!abrBit && !externalBit) {
+                internalBit = true;
+            }
+
+            annotationBuilder.set(EXTERNAL_BIT, String.valueOf(externalBit));
+            annotationBuilder.set(ABR_BIT, String.valueOf(abrBit));
+            annotationBuilder.set(INTERNAL_BIT, String.valueOf(internalBit));
+            annotationBuilder.set(PSEUDO, String.valueOf(pseudo));
+
+            if (areaId != null) {
+                annotationBuilder.set(AREAID, new String(areaId));
+            }
+            if (routerId != null) {
+                // LsrID
+                annotationBuilder.set(LSRID, String.valueOf(routerId));
+            }
+        } else {
+            // Annotations for link
+            if (igpMetric != 0) {
+                annotationBuilder.set(COST, String.valueOf(igpMetric));
+            }
+
+            if (teMetric != 0) {
+                annotationBuilder.set(TE_COST, String.valueOf(teMetric));
+            }
+        }
+        return annotationBuilder;
+    }
+
     @Override
     public void triggerProbe(DeviceId deviceId) {
         // TODO Auto-generated method stub

@@ -16,6 +16,8 @@ import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.core.Is.is;
 import static org.hamcrest.core.IsNot.not;
 import static org.onosproject.net.Link.State.ACTIVE;
+import static org.onosproject.net.MastershipRole.MASTER;
+import static org.hamcrest.Matchers.nullValue;
 
 import java.util.Collection;
 import java.util.HashMap;
@@ -29,7 +31,11 @@ import java.util.concurrent.CopyOnWriteArraySet;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
+import org.onlab.junit.TestUtils;
+import org.onlab.junit.TestUtils.TestUtilsException;
 import org.onlab.packet.ChassisId;
+import org.onlab.packet.Ip4Address;
+import org.onlab.util.Bandwidth;
 import org.onosproject.bgp.controller.BgpLinkListener;
 import org.onosproject.bgp.controller.BgpNodeListener;
 import org.onosproject.bgpio.exceptions.BgpParseException;
@@ -43,9 +49,26 @@ import org.onosproject.bgpio.protocol.linkstate.PathAttrNlriDetails;
 import org.onosproject.bgpio.types.AutonomousSystemTlv;
 import org.onosproject.bgpio.types.BgpValueType;
 import org.onosproject.bgpio.types.IsIsNonPseudonode;
+import org.onosproject.bgpio.types.LinkStateAttributes;
+import org.onosproject.incubator.net.resource.label.LabelResourceAdminService;
+import org.onosproject.incubator.net.resource.label.LabelResourceId;
+import org.onosproject.incubator.net.resource.label.LabelResourcePool;
+import org.onosproject.mastership.MastershipEvent;
+import org.onosproject.mastership.MastershipListener;
+import org.onosproject.mastership.MastershipServiceAdapter;
+import org.onosproject.mastership.MastershipEvent.Type;
+import org.onosproject.net.link.LinkServiceAdapter;
 import org.onosproject.bgpio.types.LinkLocalRemoteIdentifiersTlv;
 import org.onosproject.bgpio.types.RouteDistinguisher;
+import org.onosproject.bgpio.types.attr.BgpAttrNodeFlagBitTlv;
+import org.onosproject.bgpio.types.attr.BgpAttrNodeIsIsAreaId;
+import org.onosproject.bgpio.types.attr.BgpAttrRouterIdV4;
+import org.onosproject.bgpio.types.attr.BgpLinkAttrIgpMetric;
+import org.onosproject.bgpio.types.attr.BgpLinkAttrMaxLinkBandwidth;
+import org.onosproject.bgpio.types.attr.BgpLinkAttrTeDefaultMetric;
 import org.onosproject.bgpio.util.Constants;
+import org.onosproject.cluster.NodeId;
+import org.onosproject.cluster.RoleInfo;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.DefaultDevice;
 import org.onosproject.net.DefaultLink;
@@ -53,6 +76,11 @@ import org.onosproject.net.Device;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.Link;
 import org.onosproject.net.MastershipRole;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.config.Config;
+import org.onosproject.net.config.ConfigApplyDelegate;
+import org.onosproject.net.config.ConfigFactory;
+import org.onosproject.net.config.NetworkConfigRegistryAdapter;
 import org.onosproject.net.device.DeviceDescription;
 import org.onosproject.net.device.DeviceProvider;
 import org.onosproject.net.device.DeviceProviderRegistry;
@@ -65,6 +93,15 @@ import org.onosproject.net.link.LinkProvider;
 import org.onosproject.net.link.LinkProviderRegistry;
 import org.onosproject.net.link.LinkProviderService;
 import org.onosproject.net.provider.ProviderId;
+import org.onosproject.net.config.basics.BandwidthCapacity;
+import org.onosproject.net.resource.Resource;
+import org.onosproject.net.resource.ResourceAdminService;
+import org.onosproject.net.resource.ResourceId;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.JsonNodeFactory;
+import com.fasterxml.jackson.databind.node.ObjectNode;
 
 /**
  * Test for BGP topology provider.
@@ -73,21 +110,31 @@ public class BgpTopologyProviderTest {
     private static final DeviceId DID2 = DeviceId.deviceId("l3:rd=0::routinguniverse=0:asn=10");
     private static final String UNKNOWN = new String("unknown");
     public static ProviderId providerId = new ProviderId("l3", "foo");
+    private static final NodeId NODE1 = new NodeId("Master1");
 
     private final BgpTopologyProvider provider = new BgpTopologyProvider();
     private final TestDeviceRegistry nodeRegistry = new TestDeviceRegistry();
     private final TestLinkRegistry linkRegistry = new TestLinkRegistry();
     private final MockBgpController controller = new MockBgpController();
     private MockDeviceService deviceService = new MockDeviceService();
+    private MockLinkService linkService = new MockLinkService();
+    private MockMastershipService mastershipService = new MockMastershipService();
+    private MockNetConfigRegistryAdapter networkConfigService = new MockNetConfigRegistryAdapter();
+    private MockLabelResourceService labelResourceAdminService = new MockLabelResourceService();
     private Map<DeviceId, Device> deviceMap = new HashMap<>();
-
+    private MastershipListener listener;
 
     @Before
-    public void startUp() {
+    public void startUp() throws TestUtilsException {
         provider.deviceProviderRegistry = nodeRegistry;
         provider.linkProviderRegistry = linkRegistry;
         provider.controller = controller;
         provider.deviceService = deviceService;
+        provider.linkService = linkService;
+        provider.labelResourceAdminService = labelResourceAdminService;
+        provider.mastershipService = mastershipService;
+        provider.networkConfigService = networkConfigService;
+        listener = TestUtils.getField(provider, "masterListener");
         provider.activate();
         assertThat("device provider should be registered", not(nodeRegistry.provider));
         assertThat("link provider should be registered", not(linkRegistry.linkProvider));
@@ -101,15 +148,177 @@ public class BgpTopologyProviderTest {
         provider.controller = null;
         provider.deviceService = null;
         provider.deviceProviderRegistry = null;
+        provider.linkService = null;
+        provider.mastershipService = null;
+        provider.networkConfigService = null;
+        provider.labelResourceAdminService = null;
         assertThat(controller.nodeListener, is(new HashSet<BgpNodeListener>()));
         assertThat(controller.linkListener, is(new HashSet<BgpLinkListener>()));
     }
 
+    private class MockLabelResourceService implements LabelResourceAdminService {
+
+        Map<DeviceId, LabelResourcePool> resourcePool = new HashMap<>();
+
+        @Override
+        public boolean createDevicePool(DeviceId deviceId, LabelResourceId beginLabel, LabelResourceId endLabel) {
+            LabelResourcePool labelResource = new LabelResourcePool(deviceId.toString(),
+                    beginLabel.labelId(),
+                    endLabel.labelId());
+            if (resourcePool.containsValue(labelResource)) {
+                return false;
+            }
+
+            resourcePool.put(deviceId, labelResource);
+            return true;
+        }
+
+        @Override
+        public boolean createGlobalPool(LabelResourceId beginLabel, LabelResourceId endLabel) {
+            // TODO Auto-generated method stub
+            return false;
+        }
+
+        @Override
+        public boolean destroyDevicePool(DeviceId deviceId) {
+            LabelResourcePool devicePool = resourcePool.get(deviceId);
+
+            if (devicePool == null) {
+                return false;
+            }
+
+            resourcePool.remove(deviceId);
+            return true;
+        }
+
+        @Override
+        public boolean destroyGlobalPool() {
+            // TODO Auto-generated method stub
+            return false;
+        }
+    }
+
+    /* Mock test for device service */
+    private class MockNetConfigRegistryAdapter extends NetworkConfigRegistryAdapter {
+        private ConfigFactory cfgFactory;
+        private Map<ConnectPoint, BandwidthCapacity> classConfig = new HashMap<>();
+
+        @Override
+        public void registerConfigFactory(ConfigFactory configFactory) {
+            cfgFactory = configFactory;
+        }
+
+        @Override
+        public void unregisterConfigFactory(ConfigFactory configFactory) {
+            cfgFactory = null;
+        }
+
+        @Override
+        public <S, C extends Config<S>> C addConfig(S subject, Class<C> configClass) {
+            if (configClass == BandwidthCapacity.class) {
+                BandwidthCapacity devCap = new BandwidthCapacity();
+                classConfig.put((ConnectPoint) subject, devCap);
+
+                JsonNode node = new ObjectNode(new MockJsonNode());
+                ObjectMapper mapper = new ObjectMapper();
+                ConfigApplyDelegate delegate = new InternalApplyDelegate();
+                devCap.init((ConnectPoint) subject, null, node, mapper, delegate);
+                return (C) devCap;
+            }
+
+            return null;
+        }
+
+        @Override
+        public <S, C extends Config<S>> void removeConfig(S subject, Class<C> configClass) {
+            classConfig.remove(subject);
+        }
+
+        @Override
+        public <S, C extends Config<S>> C getConfig(S subject, Class<C> configClass) {
+            if (configClass == BandwidthCapacity.class) {
+                return (C) classConfig.get(subject);
+            }
+            return null;
+        }
+
+        private class MockJsonNode extends JsonNodeFactory {
+        }
+
+        // Auxiliary delegate to receive notifications about changes applied to
+        // the network configuration - by the apps.
+        private class InternalApplyDelegate implements ConfigApplyDelegate {
+            @Override
+            public void onApply(Config config) {
+            }
+        }
+    }
+
+    private class MockMastershipService extends MastershipServiceAdapter {
+        @Override
+        public MastershipRole getLocalRole(DeviceId deviceId) {
+            return MASTER;
+        }
+
+        @Override
+        public boolean isLocalMaster(DeviceId deviceId) {
+            return getLocalRole(deviceId) == MASTER;
+        }
+
+        @Override
+        public NodeId getMasterFor(DeviceId deviceId) {
+            return NODE1;
+        }
+    }
+
+    private class MockResourceAdminService implements ResourceAdminService {
+        Map<ResourceId, List<Resource>> registeredRes = new HashMap<>();
+
+        @Override
+        public boolean register(List<Resource> resources) {
+            for (Resource res : resources) {
+                List<Resource> resource = new LinkedList<>();
+                resource.add(res);
+                if (registeredRes.containsKey(res.id())) {
+                    resource.addAll(registeredRes.get(res.id()));
+                }
+                registeredRes.put(res.id(), resource);
+            }
+            return true;
+        }
+
+        @Override
+        public boolean unregister(List<ResourceId> ids) {
+            for (ResourceId id : ids) {
+                if (registeredRes.containsKey(id)) {
+                    registeredRes.remove(id);
+                } else {
+                    return false;
+                }
+            }
+            return true;
+        }
+    }
+
+    private class MockLinkService extends LinkServiceAdapter {
+
+        @Override
+        public Link getLink(ConnectPoint src, ConnectPoint dst) {
+            for (Link link : linkRegistry.links) {
+                if (link.src().equals(src) && link.dst().equals(dst)) {
+                    return link;
+                }
+            }
+            return null;
+        }
+    }
+
     /* Class implement device test registry */
     private class TestDeviceRegistry implements DeviceProviderRegistry {
         DeviceProvider provider;
 
         Set<DeviceId> connected = new HashSet<>();
+        Map<DeviceId, List<PortDescription>> portUpdated = new HashMap<>();
 
         @Override
         public DeviceProviderService register(DeviceProvider provider) {
@@ -138,7 +347,7 @@ public class BgpTopologyProviderTest {
                 if (!deviceId.equals(DID2)) {
                     connected.add(deviceId);
                     Device device = new DefaultDevice(BgpTopologyProviderTest.providerId, deviceId, Device.Type.ROUTER,
-                            UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, new ChassisId());
+                            UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, new ChassisId(), deviceDescription.annotations());
                     deviceMap.put(deviceId, device);
                 }
             }
@@ -153,8 +362,7 @@ public class BgpTopologyProviderTest {
 
             @Override
             public void updatePorts(DeviceId deviceId, List<PortDescription> portDescriptions) {
-                // TODO Auto-generated method stub
-
+                portUpdated.put(deviceId, portDescriptions);
             }
 
             @Override
@@ -202,9 +410,14 @@ public class BgpTopologyProviderTest {
 
             @Override
             public void linkDetected(LinkDescription linkDescription) {
-                links.add(DefaultLink.builder().src(linkDescription.src())
-                        .dst(linkDescription.dst()).state(ACTIVE).type(linkDescription.type())
-                        .providerId(BgpTopologyProviderTest.providerId).build());
+                links.add(DefaultLink.builder()
+                        .src(linkDescription.src())
+                        .dst(linkDescription.dst())
+                        .state(ACTIVE)
+                        .type(linkDescription.type())
+                        .providerId(BgpTopologyProviderTest.providerId)
+                        .annotations(linkDescription.annotations())
+                        .build());
             }
 
             @Override
@@ -349,6 +562,59 @@ public class BgpTopologyProviderTest {
         }
     }
 
+
+    /**
+     * Validate node is added to the device with all device annotations.
+     */
+    @Test
+    public void bgpTopologyProviderTestAddDevice4() {
+        LinkedList<BgpValueType> subTlvs = new LinkedList<>();
+        BgpValueType tlv = new AutonomousSystemTlv(100);
+        short deslength = AutonomousSystemTlv.LENGTH;
+        short desType = AutonomousSystemTlv.TYPE;
+
+        subTlvs.add(tlv);
+        BgpNodeLSIdentifier localNodeDescriptors = new BgpNodeLSIdentifier(new NodeDescriptors(subTlvs, deslength,
+                                                                                               desType));
+        BgpNodeLSNlriVer4 nodeNlri = new BgpNodeLSNlriVer4(0, (byte) Constants.DIRECT, localNodeDescriptors, false,
+                                                           new RouteDistinguisher());
+
+        PathAttrNlriDetails details = new PathAttrNlriDetails();
+        details.setIdentifier(0);
+        details.setProtocolID(ProtocolType.DIRECT);
+        List<BgpValueType> pathAttributes = new LinkedList<>();
+        List<BgpValueType> linkStateAttr = new LinkedList<>();
+        tlv = BgpAttrNodeFlagBitTlv.of(true, true, true, false);
+        linkStateAttr.add(tlv);
+        tlv = BgpAttrNodeIsIsAreaId.of(new byte[] {01, 01, 01, 01});
+        linkStateAttr.add(tlv);
+        tlv = BgpAttrRouterIdV4.of(Ip4Address.valueOf("1.1.1.1"), LinkStateAttributes.ATTR_NODE_IPV4_LOCAL_ROUTER_ID);
+        linkStateAttr.add(tlv);
+        pathAttributes.add(new LinkStateAttributes(linkStateAttr));
+        details.setPathAttribute(pathAttributes);
+
+        for (BgpNodeListener l : controller.nodeListener) {
+            l.addNode(nodeNlri, details);
+
+            assertThat(deviceMap.values().iterator().next().annotations().value(BgpTopologyProvider.ABR_BIT),
+                    is("false"));
+            assertThat(deviceMap.values().iterator().next().annotations().value(BgpTopologyProvider.EXTERNAL_BIT),
+                    is("true"));
+            assertThat(deviceMap.values().iterator().next().annotations().value(BgpTopologyProvider.INTERNAL_BIT),
+                    is("false"));
+            assertThat(deviceMap.values().iterator().next().annotations().value(BgpTopologyProvider.PSEUDO),
+                    is("false"));
+            assertThat(deviceMap.values().iterator().next().annotations().value(BgpTopologyProvider.AREAID).getBytes(),
+                    is(new byte[] {01, 01, 01, 01}));
+            assertThat(deviceMap.values().iterator().next().annotations().value(BgpTopologyProvider.LSRID),
+                    is("1.1.1.1"));
+
+            assertThat(nodeRegistry.connected.size(), is(1));
+            l.deleteNode(nodeNlri);
+            assertThat(nodeRegistry.connected.size(), is(0));
+        }
+    }
+
     /**
      * Add a link and two devices.
      *
@@ -460,6 +726,82 @@ public class BgpTopologyProviderTest {
     }
 
     /**
+     * Add a link and delete a link with registering/unregistering bandwidth.
+     *
+     * @throws BgpParseException while adding or removing the link
+     * @throws InterruptedException while registering for bandwidth
+     */
+    @Test
+    public void bgpTopologyProviderTestAddLink3() throws BgpParseException, InterruptedException {
+        LinkedList<BgpValueType> localTlvs = new LinkedList<>();
+        LinkedList<BgpValueType> remoteTlvs = new LinkedList<>();
+        LinkedList<BgpValueType> linkdes = new LinkedList<>();
+        BgpValueType tlv = new AutonomousSystemTlv(10);
+        short deslength = AutonomousSystemTlv.LENGTH;
+        short desType = AutonomousSystemTlv.TYPE;
+
+        localTlvs.add(tlv);
+        remoteTlvs.add(tlv);
+        tlv = IsIsNonPseudonode.of(new byte[] {20, 20, 20, 20, 00, 20});
+        localTlvs.add(tlv);
+        tlv = IsIsNonPseudonode.of(new byte[] {30, 30, 30, 30, 00, 30});
+        remoteTlvs.add(tlv);
+        NodeDescriptors localNode = new NodeDescriptors(localTlvs, deslength, desType);
+        NodeDescriptors remoteNode = new NodeDescriptors(remoteTlvs, deslength, desType);
+        BgpNodeLSIdentifier localNodeDescriptors = new BgpNodeLSIdentifier(localNode);
+        BgpNodeLSNlriVer4 nodeNlri = new BgpNodeLSNlriVer4(0, (byte) Constants.DIRECT, localNodeDescriptors, false,
+                                                           new RouteDistinguisher());
+
+        BgpNodeLSIdentifier remoteNodeDescriptors = new BgpNodeLSIdentifier(remoteNode);
+        BgpNodeLSNlriVer4 remNodeNlri = new BgpNodeLSNlriVer4(0, (byte) Constants.DIRECT, remoteNodeDescriptors, false,
+                                                           new RouteDistinguisher());
+
+        PathAttrNlriDetails details = new PathAttrNlriDetails();
+        details.setIdentifier(0);
+        details.setProtocolID(ProtocolType.DIRECT);
+        List<BgpValueType> pathAttributes = new LinkedList<>();
+        details.setPathAttribute(pathAttributes);
+
+        tlv = LinkLocalRemoteIdentifiersTlv.of(99, 100);
+        linkdes.add(tlv);
+        BgpLinkLSIdentifier linkId = new BgpLinkLSIdentifier(localNode, remoteNode, linkdes);
+        BgpLinkLsNlriVer4 linkNlri = new BgpLinkLsNlriVer4((byte) Constants.DIRECT, 0, linkId,
+                new RouteDistinguisher(), false);
+
+        for (BgpNodeListener l : controller.nodeListener) {
+            l.addNode(nodeNlri, details);
+            assertThat(nodeRegistry.connected.size(), is(1));
+            l.addNode(remNodeNlri, details);
+            assertThat(nodeRegistry.connected.size(), is(2));
+            l.deleteNode(remNodeNlri);
+            assertThat(nodeRegistry.connected.size(), is(1));
+        }
+
+        List<BgpValueType> linkPathAttributes = new LinkedList<>();
+        List<BgpValueType> linkStateAttr = new LinkedList<>();
+        tlv = BgpLinkAttrIgpMetric.of(10, 4);
+        linkStateAttr.add(tlv);
+        tlv = BgpLinkAttrTeDefaultMetric.of(20);
+        linkStateAttr.add(tlv);
+        tlv = BgpLinkAttrMaxLinkBandwidth.of(30, LinkStateAttributes.ATTR_LINK_MAX_RES_BANDWIDTH);
+        linkStateAttr.add(tlv);
+        linkPathAttributes.add(new LinkStateAttributes(linkStateAttr));
+        details.setPathAttribute(linkPathAttributes);
+
+        for (BgpLinkListener l : controller.linkListener) {
+            l.addLink(linkNlri, details);
+            assertThat(linkRegistry.links.size(), is(1));
+            assertThat(linkRegistry.links.iterator().next().annotations().value(BgpTopologyProvider.COST),
+                    is("10"));
+            assertThat(linkRegistry.links.iterator().next().annotations().value(BgpTopologyProvider.TE_COST),
+                    is("20"));
+
+            l.deleteLink(linkNlri);
+            assertThat(linkRegistry.links.size(), is(0));
+        }
+    }
+
+    /**
      * Invalid link.
      *
      * @throws BgpParseException while adding or deleting a link
@@ -512,4 +854,188 @@ public class BgpTopologyProviderTest {
             assertThat(linkRegistry.links.size(), is(0));
         }
     }
+
+    /**
+     * Add device check label registration is done.
+     *
+     * @throws BgpParseException while adding a device
+     */
+    @Test
+    public void bgpTopologyProviderDeviceTestLabel1() throws BgpParseException {
+        LinkedList<BgpValueType> subTlvs = new LinkedList<>();
+        BgpValueType tlv = new AutonomousSystemTlv(100);
+        short deslength = AutonomousSystemTlv.LENGTH;
+        short desType = AutonomousSystemTlv.TYPE;
+
+        subTlvs.add(tlv);
+        BgpNodeLSIdentifier localNodeDescriptors = new BgpNodeLSIdentifier(new NodeDescriptors(subTlvs, deslength,
+                                                                                               desType));
+        BgpNodeLSNlriVer4 nodeNlri = new BgpNodeLSNlriVer4(0, (byte) Constants.DIRECT, localNodeDescriptors, false,
+                                                           new RouteDistinguisher());
+
+        PathAttrNlriDetails details = new PathAttrNlriDetails();
+        details.setIdentifier(0);
+        details.setProtocolID(ProtocolType.DIRECT);
+        List<BgpValueType> pathAttributes = new LinkedList<>();
+        List<BgpValueType> linkStateAttributes = new LinkedList<>();
+        tlv = BgpAttrRouterIdV4.of(Ip4Address.valueOf("1.1.1.1"), LinkStateAttributes.ATTR_NODE_IPV4_LOCAL_ROUTER_ID);
+        linkStateAttributes.add(tlv);
+        pathAttributes.add(new LinkStateAttributes(linkStateAttributes));
+        details.setPathAttribute(pathAttributes);
+
+        for (BgpNodeListener l : controller.nodeListener) {
+            l.addNode(nodeNlri, details);
+            assertThat(nodeRegistry.connected.size(), is(1));
+        }
+
+        MastershipEvent event = new MastershipEvent(Type.MASTER_CHANGED, nodeRegistry.connected.iterator().next(),
+                new RoleInfo(NodeId.nodeId("Node1"), new LinkedList<>()));
+
+        listener.event(event);
+        assertThat(labelResourceAdminService.resourcePool.keySet().size(), is(1));
+    }
+
+    /**
+     * Add device check label registration is done and delete node destroy label pool.
+     *
+     * @throws BgpParseException while adding a device
+     */
+    @Test
+    public void bgpTopologyProviderDeviceTestLabel2() throws BgpParseException {
+        LinkedList<BgpValueType> subTlvs = new LinkedList<>();
+        BgpValueType tlv = new AutonomousSystemTlv(100);
+        short deslength = AutonomousSystemTlv.LENGTH;
+        short desType = AutonomousSystemTlv.TYPE;
+
+        subTlvs.add(tlv);
+        BgpNodeLSIdentifier localNodeDescriptors = new BgpNodeLSIdentifier(new NodeDescriptors(subTlvs, deslength,
+                                                                                               desType));
+        BgpNodeLSNlriVer4 nodeNlri = new BgpNodeLSNlriVer4(0, (byte) Constants.DIRECT, localNodeDescriptors, false,
+                                                           new RouteDistinguisher());
+
+        PathAttrNlriDetails details = new PathAttrNlriDetails();
+        details.setIdentifier(0);
+        details.setProtocolID(ProtocolType.DIRECT);
+        List<BgpValueType> pathAttributes = new LinkedList<>();
+        List<BgpValueType> linkStateAttributes = new LinkedList<>();
+        tlv = BgpAttrRouterIdV4.of(Ip4Address.valueOf("1.1.1.1"), LinkStateAttributes.ATTR_NODE_IPV4_LOCAL_ROUTER_ID);
+        linkStateAttributes.add(tlv);
+        pathAttributes.add(new LinkStateAttributes(linkStateAttributes));
+        details.setPathAttribute(pathAttributes);
+
+        for (BgpNodeListener l : controller.nodeListener) {
+            l.addNode(nodeNlri, details);
+            assertThat(nodeRegistry.connected.size(), is(1));
+            // Check label resource reserved for that device
+            MastershipEvent event = new MastershipEvent(Type.MASTER_CHANGED, nodeRegistry.connected.iterator().next(),
+                    new RoleInfo(NodeId.nodeId("Node1"), new LinkedList<>()));
+            listener.event(event);
+            assertThat(labelResourceAdminService.resourcePool.keySet().size(), is(1));
+
+            l.deleteNode(nodeNlri);
+            assertThat(nodeRegistry.connected.size(), is(0));
+            assertThat(labelResourceAdminService.resourcePool.keySet().size(), is(0));
+        }
+    }
+
+    /**
+     * Add a link register bandwidth and remove link unregister bandwidth.
+     *
+     * @throws BgpParseException while registering/unregistering bandwidth
+     */
+    @Test
+    public void bgpTopologyProviderDeviceTestLabel3() throws BgpParseException {
+        LinkedList<BgpValueType> localTlvs = new LinkedList<>();
+        LinkedList<BgpValueType> remoteTlvs = new LinkedList<>();
+        LinkedList<BgpValueType> linkdes = new LinkedList<>();
+        BgpValueType tlv = new AutonomousSystemTlv(10);
+        short deslength = AutonomousSystemTlv.LENGTH;
+        short desType = AutonomousSystemTlv.TYPE;
+
+        localTlvs.add(tlv);
+        remoteTlvs.add(tlv);
+        tlv = IsIsNonPseudonode.of(new byte[] {20, 20, 20, 20, 00, 20});
+        localTlvs.add(tlv);
+        tlv = IsIsNonPseudonode.of(new byte[] {30, 30, 30, 30, 00, 30});
+        remoteTlvs.add(tlv);
+        NodeDescriptors localNode = new NodeDescriptors(localTlvs, deslength, desType);
+        NodeDescriptors remoteNode = new NodeDescriptors(remoteTlvs, deslength, desType);
+        BgpNodeLSIdentifier localNodeDescriptors = new BgpNodeLSIdentifier(localNode);
+        BgpNodeLSNlriVer4 nodeNlri = new BgpNodeLSNlriVer4(0, (byte) Constants.DIRECT, localNodeDescriptors, false,
+                                                           new RouteDistinguisher());
+
+        BgpNodeLSIdentifier remoteNodeDescriptors = new BgpNodeLSIdentifier(remoteNode);
+        BgpNodeLSNlriVer4 remNodeNlri = new BgpNodeLSNlriVer4(0, (byte) Constants.DIRECT, remoteNodeDescriptors, false,
+                                                           new RouteDistinguisher());
+
+        PathAttrNlriDetails details = new PathAttrNlriDetails();
+        details.setIdentifier(0);
+        details.setProtocolID(ProtocolType.DIRECT);
+        List<BgpValueType> pathAttributes = new LinkedList<>();
+        List<BgpValueType> linkStateAttributes = new LinkedList<>();
+        tlv = BgpAttrRouterIdV4.of(Ip4Address.valueOf("1.1.1.1"), LinkStateAttributes.ATTR_NODE_IPV4_LOCAL_ROUTER_ID);
+        linkStateAttributes.add(tlv);
+        pathAttributes.add(new LinkStateAttributes(linkStateAttributes));
+        details.setPathAttribute(pathAttributes);
+
+        tlv = LinkLocalRemoteIdentifiersTlv.of(99, 100);
+        linkdes.add(tlv);
+        BgpLinkLSIdentifier linkId = new BgpLinkLSIdentifier(localNode, remoteNode, linkdes);
+        BgpLinkLsNlriVer4 linkNlri = new BgpLinkLsNlriVer4((byte) Constants.DIRECT, 0, linkId,
+                new RouteDistinguisher(), false);
+
+        for (BgpNodeListener l : controller.nodeListener) {
+            l.addNode(nodeNlri, details);
+            assertThat(nodeRegistry.connected.size(), is(1));
+            //Check label resource reserved for that device
+            MastershipEvent event = new MastershipEvent(Type.MASTER_CHANGED, nodeRegistry.connected.iterator().next(),
+                    new RoleInfo(NodeId.nodeId("Node1"), new LinkedList<>()));
+            listener.event(event);
+            assertThat(labelResourceAdminService.resourcePool.keySet().size(), is(1));
+            l.addNode(remNodeNlri, details);
+            assertThat(nodeRegistry.connected.size(), is(2));
+            l.deleteNode(remNodeNlri);
+            assertThat(nodeRegistry.connected.size(), is(1));
+            assertThat(labelResourceAdminService.resourcePool.keySet().size(), is(1));
+        }
+
+        List<BgpValueType> linkPathAttributes = new LinkedList<>();
+        List<BgpValueType> linkStateAttr = new LinkedList<>();
+        tlv = BgpLinkAttrIgpMetric.of(10, 4);
+        linkStateAttr.add(tlv);
+        tlv = BgpLinkAttrTeDefaultMetric.of(20);
+        linkStateAttr.add(tlv);
+        tlv = BgpLinkAttrMaxLinkBandwidth.of(70, LinkStateAttributes.ATTR_LINK_MAX_RES_BANDWIDTH);
+        linkStateAttr.add(tlv);
+        linkPathAttributes.add(new LinkStateAttributes(linkStateAttr));
+        details.setPathAttribute(linkPathAttributes);
+
+        for (BgpLinkListener l : controller.linkListener) {
+            l.addLink(linkNlri, details);
+            assertThat(linkRegistry.links.size(), is(1));
+            assertThat(linkRegistry.links.iterator().next().annotations().value(BgpTopologyProvider.COST),
+                    is("10"));
+            assertThat(linkRegistry.links.iterator().next().annotations().value(BgpTopologyProvider.TE_COST),
+                    is("20"));
+
+            ConnectPoint src = new ConnectPoint(
+                    DeviceId.deviceId("l3:rd=0::routinguniverse=0:asn=10:isoid=1414.1414.0014"),
+                    PortNumber.portNumber(4294967395L));
+            ConnectPoint dst = new ConnectPoint(
+                    DeviceId.deviceId("l3:rd=0::routinguniverse=0:asn=10:isoid=1e1e.1e1e.001e"),
+                    PortNumber.portNumber(4294967396L));
+            BandwidthCapacity bandwidth = networkConfigService.getConfig(src, BandwidthCapacity.class);
+            assertThat(bandwidth.capacity().bps(), is(70.0 * 1_000_000L));
+
+            bandwidth = networkConfigService.getConfig(dst, BandwidthCapacity.class);
+            assertThat(bandwidth.capacity(), is(Bandwidth.bps(70.0 * 1_000_000L)));
+
+            l.deleteLink(linkNlri);
+            assertThat(linkRegistry.links.size(), is(0));
+            bandwidth = networkConfigService.getConfig(src, BandwidthCapacity.class);
+            assertThat(bandwidth, is(nullValue()));
+            bandwidth = networkConfigService.getConfig(dst, BandwidthCapacity.class);
+            assertThat(bandwidth, is(nullValue()));
+        }
+    }
 }

+<!--
+  ~ Copyright 2016-present Open Networking Laboratory
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.onosproject</groupId>
+        <artifactId>onos-pcep-providers</artifactId>
+        <version>1.6.0-SNAPSHOT</version>
+    </parent>
+    <artifactId>onos-pcep-provider-packet</artifactId>
+    <packaging>bundle</packaging>
+    <description>PCEP packet provider</description>
+    <dependencies>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-pcep-controller-api</artifactId>
+        </dependency>
+    </dependencies>
+</project>

+package org.onosproject.provider.pcep.packet.impl;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.apache.felix.scr.annotations.Service;
+import org.onlab.packet.Ethernet;
+import org.onlab.packet.IPv4;
+import org.onlab.packet.TCP;
+import org.onosproject.net.AnnotationKeys;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.device.DeviceService;
+import org.onosproject.net.packet.DefaultInboundPacket;
+import org.onosproject.net.packet.DefaultPacketContext;
+import org.onosproject.net.packet.InboundPacket;
+import org.onosproject.net.packet.OutboundPacket;
+import org.onosproject.net.packet.PacketProvider;
+import org.onosproject.net.packet.PacketProviderRegistry;
+import org.onosproject.net.packet.PacketProviderService;
+import org.onosproject.net.provider.AbstractProvider;
+import org.onosproject.net.provider.ProviderId;
+import org.onosproject.pcep.controller.PccId;
+import org.onosproject.pcep.controller.PcepClientController;
+import org.onosproject.pcep.controller.PcepPacketListener;
+import org.slf4j.Logger;
+
+/**
+ * Provider which uses an PCEP controller to process packets.
+ */
+@Component(immediate = true)
+@Service
+public class PcepPacketProvider extends AbstractProvider implements PacketProvider {
+
+    private static final Logger log = getLogger(PcepPacketProvider.class);
+    static final String PROVIDER_ID = "org.onosproject.provider.packet.pcep";
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected PacketProviderRegistry packetProviderRegistry;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected PcepClientController pcepClientController;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected DeviceService deviceService;
+
+    PacketProviderService packetProviderService;
+
+    private InnerPacketProvider listener = new InnerPacketProvider();
+    public static final String LSRID = "lsrId";
+    public static final int PCEP_PORT = 4189;
+
+    /**
+     * Creates a Packet provider.
+     */
+    public PcepPacketProvider() {
+        super(new ProviderId("pcep", PROVIDER_ID));
+    }
+
+    @Activate
+    public void activate() {
+        packetProviderService = packetProviderRegistry.register(this);
+        pcepClientController.addPacketListener(listener);
+        log.info("Started");
+    }
+
+    @Deactivate
+    public void deactivate() {
+        packetProviderRegistry.unregister(this);
+        pcepClientController.removePacketListener(listener);
+        log.info("Stopped");
+    }
+
+    private class InnerPacketProvider implements PcepPacketListener {
+        @Override
+        public void sendPacketIn(PccId pccId) {
+            TCP tcp = new TCP();
+            // Set the well known PCEP port. To be used to decide to process/discard the packet while processing.
+            tcp.setDestinationPort(PCEP_PORT);
+
+            IPv4 ipv4 = new IPv4();
+            ipv4.setProtocol(IPv4.PROTOCOL_TCP);
+            ipv4.setPayload(tcp);
+
+            Ethernet eth = new Ethernet();
+            eth.setEtherType(Ethernet.TYPE_IPV4);
+            eth.setPayload(ipv4);
+
+            // Get lsrId of the PCEP client from the PCC ID. Session info is based on lsrID.
+            String lsrId = String.valueOf(pccId.ipAddress());
+            DeviceId pccDeviceId = null;
+
+            // Find PCC deviceID from lsrId stored as annotations
+            Iterable<Device> devices = deviceService.getAvailableDevices();
+            for (Device dev : devices) {
+                if ("L3".equals(dev.annotations().value(AnnotationKeys.TYPE))
+                        && lsrId.equals(dev.annotations().value(LSRID))) {
+                    pccDeviceId = dev.id();
+                    break;
+                }
+            }
+
+            if (pccDeviceId == null) {
+                return;
+            }
+
+            InboundPacket inPkt = new DefaultInboundPacket(new ConnectPoint(pccDeviceId,
+                                                                            PortNumber.portNumber(PCEP_PORT)),
+                                                           eth, null);
+
+            packetProviderService.processPacket(new PcepPacketContext(inPkt, null));
+        }
+    }
+
+    // Minimal PacketContext to make core and applications happy.
+    private final class PcepPacketContext extends DefaultPacketContext {
+        private PcepPacketContext(InboundPacket inPkt, OutboundPacket outPkt) {
+            super(System.currentTimeMillis(), inPkt, outPkt, false);
+        }
+
+        @Override
+        public void send() {
+            // We don't send anything out.
+            return;
+        }
+    }
+
+    @Override
+    public void emit(OutboundPacket packet) {
+        // Nothing to emit
+        return;
+
+    }
+}

+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ *Provider that uses PCEP controller as a means to send packets.
+ */
+package org.onosproject.provider.pcep.packet.impl;
\ No newline at end of file

@@ -27,5 +27,6 @@
         <module>topology</module>
         <module>tunnel</module>
         <module>app</module>
+        <module>packet</module>
   </modules>
 </project>
\ No newline at end of file

@@ -3,6 +3,9 @@ COMPILE_DEPS = [
     '//protocols/ovsdb/api:onos-protocols-ovsdb-api',
     '//protocols/ovsdb/rfc:onos-protocols-ovsdb-rfc',
     '//apps/pcep-api:onos-apps-pcep-api',
+    '//protocols/pcep/api:onos-protocols-pcep-api',
+    '//protocols/pcep/pcepio:onos-protocols-pcep-pcepio',
+    '//core/api:onos-api-tests',
 ]
 
 osgi_jar_with_tests (

@@ -28,5 +28,15 @@
             <groupId>org.onosproject</groupId>
             <artifactId>onos-app-pcep-api</artifactId>
         </dependency>
+        <dependency>
+        <groupId>org.onosproject</groupId>
+            <artifactId>onos-pcep-controller-api</artifactId>
+        </dependency>
+        <dependency>
+             <groupId>org.onosproject</groupId>
+             <artifactId>onos-api</artifactId>
+             <classifier>tests</classifier>
+             <scope>test</scope>
+        </dependency>
     </dependencies>
 </project>
\ No newline at end of file

@@ -62,6 +62,10 @@ import org.onosproject.pcep.api.PcepLinkListener;
 import org.onosproject.pcep.api.PcepOperator.OperationType;
 import org.onosproject.pcep.api.PcepSwitch;
 import org.onosproject.pcep.api.PcepSwitchListener;
+import org.onosproject.pcep.controller.PccId;
+import org.onosproject.pcep.controller.PcepClient;
+import org.onosproject.pcep.controller.PcepClientController;
+import org.onosproject.pcep.controller.PcepNodeListener;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -115,18 +119,40 @@ public class PcepTopologyProvider extends AbstractProvider
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected ClusterService clusterService;
 
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected PcepClientController pcepClientController;
+
     private DeviceProviderService deviceProviderService;
     private LinkProviderService linkProviderService;
 
     private HashMap<Long, List<PortDescription>> portMap = new HashMap<>();
     private InternalLinkProvider listener = new InternalLinkProvider();
 
+    /*
+     * For the client supporting SR capability.
+     */
+    public static final String SR_CAPABILITY = "srCapability";
+
+    /*
+     * For the client supporting PCECC capability.
+     */
+    public static final String PCECC_CAPABILITY = "pceccCapability";
+
+    /*
+     * For the client supporting label stack capability.
+     */
+    public static final String LABEL_STACK_CAPABILITY = "labelStackCapability";
+
+    public static final String LSRID = "lsrId";
+    private static final String UNKNOWN = "unknown";
+
     @Activate
     public void activate() {
         linkProviderService = linkProviderRegistry.register(this);
         deviceProviderService = deviceProviderRegistry.register(this);
         controller.addListener(listener);
         controller.addLinkListener(listener);
+        pcepClientController.addNodeListener(listener);
     }
 
     @Deactivate
@@ -135,6 +161,7 @@ public class PcepTopologyProvider extends AbstractProvider
         linkProviderService = null;
         controller.removeListener(listener);
         controller.removeLinkListener(listener);
+        pcepClientController.removeNodeListener(listener);
     }
 
     private List<PortDescription> buildPortDescriptions(PcepDpid dpid,
@@ -225,7 +252,7 @@ public class PcepTopologyProvider extends AbstractProvider
     }
 
     private class InternalLinkProvider
-            implements PcepSwitchListener, PcepLinkListener {
+            implements PcepSwitchListener, PcepLinkListener, PcepNodeListener {
 
         @Override
         public void switchAdded(PcepDpid dpid) {
@@ -306,6 +333,51 @@ public class PcepTopologyProvider extends AbstractProvider
             }
         }
 
+        @Override
+        public void addNode(PcepClient pc) {
+            if (deviceProviderService == null) {
+                return;
+            }
+
+            //Right now device URI for PCEP devices is their LSRID
+            DeviceId deviceId = deviceId(uri(new PcepDpid(pc.getPccId().id().getIp4Address().toInt())));
+            ChassisId cId = new ChassisId();
+
+            Device.Type deviceType = Device.Type.ROUTER;
+
+            DefaultAnnotations.Builder annotationBuilder = DefaultAnnotations.builder();
+            //PCC capabilities (SR, PCECC and PCECC-SR)
+            annotationBuilder.set(SR_CAPABILITY, String.valueOf(pc.capability().srCapability()));
+            annotationBuilder.set(PCECC_CAPABILITY, String.valueOf(pc.capability().pceccCapability()));
+            annotationBuilder.set(LABEL_STACK_CAPABILITY, String.valueOf(pc.capability().labelStackCapability()));
+            //PccId is the lsrId contained in openMsg, if not present it will be the socket address
+            annotationBuilder.set(LSRID, String.valueOf(pc.getPccId().id()));
+
+            DeviceDescription description = new DefaultDeviceDescription(
+                    deviceId.uri(),
+                    deviceType,
+                    UNKNOWN,
+                    UNKNOWN,
+                    UNKNOWN,
+                    UNKNOWN,
+                    cId,
+                    annotationBuilder.build());
+
+            deviceProviderService.deviceConnected(deviceId, description);
+        }
+
+        @Override
+        public void deleteNode(PccId pccId) {
+            if (deviceProviderService == null || deviceService == null) {
+                return;
+            }
+            //TODO: In device manager, in deviceDisconnected() method, get the device but null check is not validated
+            if (deviceService.getDevice(DeviceId.deviceId(uri(new PcepDpid(pccId.id()
+                    .getIp4Address().toInt())))) == null) {
+                return;
+            }
+            deviceProviderService.deviceDisconnected(deviceId(uri(new PcepDpid(pccId.id().getIp4Address().toInt()))));
+        }
     }
 
     @Override

+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.provider.pcep.topology.impl;
+
+import static org.junit.Assert.assertNotNull;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.RejectedExecutionException;
+
+import org.jboss.netty.channel.Channel;
+import org.onosproject.pcep.controller.ClientCapability;
+import org.onosproject.pcep.controller.PccId;
+import org.onosproject.pcep.controller.LspKey;
+import org.onosproject.pcep.controller.PcepClient;
+import org.onosproject.pcep.controller.PcepSyncStatus;
+import org.onosproject.pcepio.protocol.PcepFactories;
+import org.onosproject.pcepio.protocol.PcepFactory;
+import org.onosproject.pcepio.protocol.PcepMessage;
+import org.onosproject.pcepio.protocol.PcepStateReport;
+import org.onosproject.pcepio.protocol.PcepVersion;
+
+/**
+ * Representation of PCEP client adapter.
+ */
+public class PcepClientAdapter implements PcepClient {
+
+    private Channel channel;
+    protected String channelId;
+
+    private boolean connected;
+    private PccId pccId;
+    private ClientCapability capability;
+
+    private PcepVersion pcepVersion;
+    private PcepSyncStatus lspDbSyncStatus;
+    private PcepSyncStatus labelDbSyncStatus;
+    private Map<LspKey, Boolean> lspDelegationInfo = new HashMap<>();
+
+    /**
+     * Initialize instance with specified parameters.
+     *
+     * @param pccId PCC id
+     * @param pcepVersion PCEP message version
+     */
+    public void init(PccId pccId, PcepVersion pcepVersion) {
+        this.pccId = pccId;
+        this.pcepVersion = pcepVersion;
+    }
+
+    @Override
+    public final void disconnectClient() {
+        this.channel.close();
+    }
+
+    @Override
+    public final void sendMessage(PcepMessage m) {
+    }
+
+    @Override
+    public final void sendMessage(List<PcepMessage> msgs) {
+        try {
+            PcepMessage pcepMsg = msgs.get(0);
+            assertNotNull("PCEP MSG should be created.", pcepMsg);
+        } catch (RejectedExecutionException e) {
+            throw e;
+        }
+    }
+
+    @Override
+    public final boolean isConnected() {
+        return this.connected;
+    }
+
+    @Override
+    public String channelId() {
+        return channelId;
+    }
+
+    @Override
+    public final PccId getPccId() {
+        return this.pccId;
+    };
+
+    @Override
+    public final String getStringId() {
+        return this.pccId.toString();
+    }
+
+    @Override
+    public final void handleMessage(PcepMessage m) {
+    }
+
+    @Override
+    public boolean isOptical() {
+        return false;
+    }
+
+    @Override
+    public PcepFactory factory() {
+        return PcepFactories.getFactory(pcepVersion);
+    }
+
+    @Override
+    public void setLspDbSyncStatus(PcepSyncStatus syncStatus) {
+        this.lspDbSyncStatus = syncStatus;
+    }
+
+    @Override
+    public PcepSyncStatus lspDbSyncStatus() {
+        return lspDbSyncStatus;
+    }
+
+    @Override
+    public void setLabelDbSyncStatus(PcepSyncStatus syncStatus) {
+        this.labelDbSyncStatus = syncStatus;
+    }
+
+    @Override
+    public PcepSyncStatus labelDbSyncStatus() {
+        return labelDbSyncStatus;
+    }
+
+    @Override
+    public void setCapability(ClientCapability capability) {
+        this.capability = capability;
+    }
+
+    @Override
+    public ClientCapability capability() {
+        return capability;
+    }
+
+    @Override
+    public void addNode(PcepClient pc) {
+    }
+
+    @Override
+    public void deleteNode(PccId pccId) {
+    }
+
+    @Override
+    public void setLspAndDelegationInfo(LspKey lspKey, boolean dFlag) {
+        lspDelegationInfo.put(lspKey, dFlag);
+    }
+
+    @Override
+    public Boolean delegationInfo(LspKey lspKey) {
+        return lspDelegationInfo.get(lspKey);
+    }
+
+    @Override
+    public void initializeSyncMsgList(PccId pccId) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public List<PcepStateReport> getSyncMsgList(PccId pccId) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public void removeSyncMsgList(PccId pccId) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public void addSyncMsgToList(PccId pccId, PcepStateReport rptMsg) {
+        // TODO Auto-generated method stub
+
+    }
+}

+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.provider.pcep.topology.impl;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.onlab.packet.IpAddress;
+import org.onosproject.pcep.controller.ClientCapability;
+import org.onosproject.pcep.controller.PccId;
+import org.onosproject.pcep.controller.PcepClient;
+import org.onosproject.pcep.controller.PcepClientController;
+import org.onosproject.pcep.controller.PcepClientListener;
+import org.onosproject.pcep.controller.PcepEventListener;
+import org.onosproject.pcep.controller.PcepNodeListener;
+import org.onosproject.pcep.controller.PcepPacketListener;
+import org.onosproject.pcep.controller.driver.PcepAgent;
+import org.onosproject.pcepio.protocol.PcepError;
+import org.onosproject.pcepio.protocol.PcepErrorInfo;
+import org.onosproject.pcepio.protocol.PcepErrorMsg;
+import org.onosproject.pcepio.protocol.PcepErrorObject;
+import org.onosproject.pcepio.protocol.PcepFactory;
+import org.onosproject.pcepio.protocol.PcepMessage;
+import org.onosproject.pcepio.protocol.PcepVersion;
+
+import com.google.common.collect.Sets;
+
+import static org.onosproject.pcepio.types.PcepErrorDetailInfo.ERROR_TYPE_19;
+import static org.onosproject.pcepio.types.PcepErrorDetailInfo.ERROR_VALUE_5;
+
+/**
+ * Representation of PCEP client controller adapter.
+ */
+public class PcepClientControllerAdapter implements PcepClientController {
+
+    protected ConcurrentHashMap<PccId, PcepClient> connectedClients =
+            new ConcurrentHashMap<PccId, PcepClient>();
+
+    protected PcepClientAgent agent = new PcepClientAgent();
+    protected Set<PcepClientListener> pcepClientListener = new HashSet<>();
+
+    protected Set<PcepEventListener> pcepEventListener = Sets.newHashSet();
+    public Set<PcepNodeListener> pcepNodeListener = Sets.newHashSet();
+
+    @Activate
+    public void activate() {
+    }
+
+    @Deactivate
+    public void deactivate() {
+    }
+
+    @Override
+    public Collection<PcepClient> getClients() {
+        return connectedClients.values();
+    }
+
+    @Override
+    public PcepClient getClient(PccId pccId) {
+        if (null != connectedClients.get(pccId)) {
+            return connectedClients.get(pccId);
+        }
+        PcepClientAdapter pc = new PcepClientAdapter();
+        if (pccId.ipAddress().equals(IpAddress.valueOf(0xC010103))
+            || pccId.ipAddress().equals(IpAddress.valueOf(0xB6024E22))) {
+            pc.setCapability(new ClientCapability(true, false, false, false, false));
+        } else {
+            pc.setCapability(new ClientCapability(true, true, true, false, false));
+        }
+        pc.init(PccId.pccId(pccId.ipAddress()), PcepVersion.PCEP_1);
+        connectedClients.put(pccId, pc);
+        return pc;
+    }
+
+    @Override
+    public void addListener(PcepClientListener listener) {
+        if (!pcepClientListener.contains(listener)) {
+            this.pcepClientListener.add(listener);
+        }
+    }
+
+    @Override
+    public void addNodeListener(PcepNodeListener listener) {
+        pcepNodeListener.add(listener);
+    }
+
+    @Override
+    public void removeNodeListener(PcepNodeListener listener) {
+        pcepNodeListener.remove(listener);
+    }
+
+    @Override
+    public void removeListener(PcepClientListener listener) {
+        this.pcepClientListener.remove(listener);
+    }
+
+    @Override
+    public void addEventListener(PcepEventListener listener) {
+        pcepEventListener.add(listener);
+    }
+
+    @Override
+    public void removeEventListener(PcepEventListener listener) {
+        pcepEventListener.remove(listener);
+    }
+
+    @Override
+    public void writeMessage(PccId pccId, PcepMessage msg) {
+        this.getClient(pccId).sendMessage(msg);
+    }
+
+    @Override
+    public void processClientMessage(PccId pccId, PcepMessage msg) {
+
+        PcepClient pc = getClient(pccId);
+
+        switch (msg.getType()) {
+        case NONE:
+            break;
+        case OPEN:
+            break;
+        case KEEP_ALIVE:
+            //log.debug("Sending Keep Alive Message  to {" + pccIpAddress.toString() + "}");
+            pc.sendMessage(Collections.singletonList(pc.factory().buildKeepaliveMsg().build()));
+            break;
+        case PATH_COMPUTATION_REQUEST:
+            break;
+        case PATH_COMPUTATION_REPLY:
+            break;
+        case NOTIFICATION:
+            break;
+        case ERROR:
+            break;
+        case CLOSE:
+            //log.debug("Sending Close Message  to { }", pccIpAddress.toString());
+            pc.sendMessage(Collections.singletonList(pc.factory().buildCloseMsg().build()));
+            break;
+        case INITIATE:
+            if (!pc.capability().pcInstantiationCapability()) {
+                pc.sendMessage(Collections.singletonList(getErrMsg(pc.factory(),
+                        ERROR_TYPE_19, ERROR_VALUE_5)));
+            }
+            break;
+        case REPORT:
+            //Only update the listener if respective capability is supported else send PCEP-ERR msg
+            if (pc.capability().statefulPceCapability()) {
+                for (PcepEventListener l : pcepEventListener) {
+                    l.handleMessage(pccId, msg);
+                }
+            } else {
+                // Send PCEP-ERROR message.
+                pc.sendMessage(Collections.singletonList(getErrMsg(pc.factory(),
+                        ERROR_TYPE_19, ERROR_VALUE_5)));
+            }
+            break;
+        case UPDATE:
+            if (!pc.capability().statefulPceCapability()) {
+                pc.sendMessage(Collections.singletonList(getErrMsg(pc.factory(),
+                       ERROR_TYPE_19, ERROR_VALUE_5)));
+            }
+            break;
+        case LABEL_UPDATE:
+            if (!pc.capability().pceccCapability()) {
+                pc.sendMessage(Collections.singletonList(getErrMsg(pc.factory(),
+                        ERROR_TYPE_19, ERROR_VALUE_5)));
+            }
+            break;
+        case MAX:
+            break;
+        case END:
+            break;
+        default:
+            break;
+        }
+    }
+
+    @Override
+    public void closeConnectedClients() {
+        PcepClient pc;
+        for (PccId id : connectedClients.keySet()) {
+            pc = getClient(id);
+            pc.disconnectClient();
+        }
+    }
+
+    private PcepErrorMsg getErrMsg(PcepFactory factory, byte errorType, byte errorValue) {
+        LinkedList<PcepError> llPcepErr = new LinkedList<>();
+
+        LinkedList<PcepErrorObject> llerrObj = new LinkedList<>();
+        PcepErrorMsg errMsg;
+
+        PcepErrorObject errObj = factory.buildPcepErrorObject().setErrorValue(errorValue).setErrorType(errorType)
+                .build();
+
+        llerrObj.add(errObj);
+        PcepError pcepErr = factory.buildPcepError().setErrorObjList(llerrObj).build();
+
+        llPcepErr.add(pcepErr);
+
+        PcepErrorInfo errInfo = factory.buildPcepErrorInfo().setPcepErrorList(llPcepErr).build();
+
+        errMsg = factory.buildPcepErrorMsg().setPcepErrorInfo(errInfo).build();
+        return errMsg;
+    }
+
+    /**
+     * Implementation of an Pcep Agent which is responsible for
+     * keeping track of connected clients and the state in which
+     * they are.
+     */
+    public class PcepClientAgent implements PcepAgent {
+
+        @Override
+        public boolean addConnectedClient(PccId pccId, PcepClient pc) {
+
+            if (connectedClients.get(pccId) != null) {
+                return false;
+            } else {
+                connectedClients.put(pccId, pc);
+                for (PcepClientListener l : pcepClientListener) {
+                    l.clientConnected(pccId);
+                }
+                return true;
+            }
+        }
+
+        @Override
+        public boolean validActivation(PccId pccId) {
+            if (connectedClients.get(pccId) == null) {
+                //log.error("Trying to activate client but is not in "
+                //        + "connected switches: pccIp {}. Aborting ..", pccIpAddress.toString());
+                return false;
+            }
+
+            return true;
+        }
+
+        @Override
+        public void removeConnectedClient(PccId pccId) {
+            connectedClients.remove(pccId);
+            for (PcepClientListener l : pcepClientListener) {
+                //log.warn("removal for {}", pccIpAddress.toString());
+                l.clientDisconnected(pccId);
+            }
+        }
+
+        @Override
+        public void processPcepMessage(PccId pccId, PcepMessage m) {
+            processClientMessage(pccId, m);
+        }
+
+        @Override
+        public void addNode(PcepClient pc) {
+            for (PcepNodeListener l : pcepNodeListener) {
+                l.addNode(pc);
+            }
+        }
+
+        @Override
+        public void deleteNode(PccId pccId) {
+            for (PcepNodeListener l : pcepNodeListener) {
+                l.deleteNode(pccId);
+            }
+        }
+
+        @Override
+        public boolean analyzeSyncMsgList(PccId pccId) {
+            // TODO Auto-generated method stub
+            return false;
+        }
+    }
+
+    @Override
+    public void addPacketListener(PcepPacketListener listener) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public void removePacketListener(PcepPacketListener listener) {
+        // TODO Auto-generated method stub
+
+    }
+}

+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.provider.pcep.topology.impl;
+
+import org.onosproject.net.DeviceId;
+import org.onosproject.pcep.api.PcepController;
+import org.onosproject.pcep.api.PcepDpid;
+import org.onosproject.pcep.api.PcepLinkListener;
+import org.onosproject.pcep.api.PcepSwitch;
+import org.onosproject.pcep.api.PcepSwitchListener;
+import org.onosproject.pcep.api.PcepTunnel;
+import org.onosproject.pcep.api.PcepTunnelListener;
+
+/**
+ * Implementation of PCEP controller.
+ */
+public class PcepControllerAdapter implements PcepController {
+
+    @Override
+    public Iterable<PcepSwitch> getSwitches() {
+        return null;
+    }
+
+    @Override
+    public PcepSwitch getSwitch(PcepDpid did) {
+        return null;
+    }
+
+    @Override
+    public void addListener(PcepSwitchListener listener) {
+
+    }
+
+    @Override
+    public void removeListener(PcepSwitchListener listener) {
+    }
+
+    @Override
+    public void addLinkListener(PcepLinkListener listener) {
+    }
+
+    @Override
+    public void removeLinkListener(PcepLinkListener listener) {
+    }
+
+    @Override
+    public void addTunnelListener(PcepTunnelListener listener) {
+    }
+
+    @Override
+    public void removeTunnelListener(PcepTunnelListener listener) {
+    }
+
+    @Override
+    public PcepTunnel applyTunnel(DeviceId srcDid, DeviceId dstDid, long srcPort, long dstPort, long bandwidth,
+                                  String name) {
+        return null;
+    }
+
+    @Override
+    public Boolean deleteTunnel(String id) {
+        return null;
+    }
+
+    @Override
+    public Boolean updateTunnelBandwidth(String id, long bandwidth) {
+        return null;
+    }
+
+    @Override
+    public void getTunnelStatistics(String pcepTunnelId) {
+
+    }
+}

+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+package org.onosproject.provider.pcep.topology.impl;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.core.Is.is;
+import static org.onosproject.net.Link.State.ACTIVE;
+import static org.onosproject.provider.pcep.topology.impl.PcepTopologyProvider.LABEL_STACK_CAPABILITY;
+import static org.onosproject.provider.pcep.topology.impl.PcepTopologyProvider.LSRID;
+import static org.onosproject.provider.pcep.topology.impl.PcepTopologyProvider.PCECC_CAPABILITY;
+import static org.onosproject.provider.pcep.topology.impl.PcepTopologyProvider.SR_CAPABILITY;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.packet.ChassisId;
+import org.onlab.packet.IpAddress;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.DefaultDevice;
+import org.onosproject.net.DefaultLink;
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.Link;
+import org.onosproject.net.MastershipRole;
+import org.onosproject.net.device.DeviceDescription;
+import org.onosproject.net.device.DeviceProvider;
+import org.onosproject.net.device.DeviceProviderRegistry;
+import org.onosproject.net.device.DeviceProviderService;
+import org.onosproject.net.device.DeviceServiceAdapter;
+import org.onosproject.net.device.PortDescription;
+import org.onosproject.net.device.PortStatistics;
+import org.onosproject.net.link.LinkDescription;
+import org.onosproject.net.link.LinkProvider;
+import org.onosproject.net.link.LinkProviderRegistry;
+import org.onosproject.net.link.LinkProviderService;
+import org.onosproject.net.provider.ProviderId;
+import org.onosproject.pcep.controller.ClientCapability;
+import org.onosproject.pcep.controller.PccId;
+import org.onosproject.pcep.controller.PcepClient;
+import org.onosproject.pcep.controller.PcepNodeListener;
+
+/**
+ * Test for PCEP topology provider.
+ */
+public class PcepTopologyProviderTest {
+    private static final String UNKNOWN = new String("unknown");
+    public static ProviderId providerId = new ProviderId("l3", "foo");
+    private final PcepClientControllerAdapter clientController = new PcepClientControllerAdapter();
+    private final PcepTopologyProvider provider = new PcepTopologyProvider();
+    private final MockDeviceRegistry nodeRegistry = new MockDeviceRegistry();
+    private final PcepControllerAdapter controller = new PcepControllerAdapter();
+    private final MockLinkRegistry linkRegistry = new MockLinkRegistry();
+    private final MockDeviceService deviceService = new MockDeviceService();
+    private Map<DeviceId, Device> deviceMap = new HashMap<>();
+
+    @Before
+    public void startUp() {
+        provider.pcepClientController = clientController;
+        provider.deviceProviderRegistry = nodeRegistry;
+        provider.linkProviderRegistry = linkRegistry;
+        provider.controller = controller;
+        provider.deviceService = deviceService;
+        provider.activate();
+    }
+
+    @After
+    public void tearDown() {
+        provider.deactivate();
+        provider.deviceProviderRegistry = null;
+        provider.pcepClientController = null;
+        provider.linkProviderRegistry = null;
+        provider.controller = null;
+        provider.deviceService = null;
+    }
+
+    /* Class implement device test registry */
+    private class MockLinkRegistry implements LinkProviderRegistry {
+        LinkProvider linkProvider;
+        Set<Link> links = new HashSet<>();
+
+        @Override
+        public LinkProviderService register(LinkProvider provider) {
+            this.linkProvider = provider;
+            return new MockProviderService();
+        }
+
+        @Override
+        public void unregister(LinkProvider provider) {
+            // TODO Auto-generated method stub
+        }
+
+        @Override
+        public Set<ProviderId> getProviders() {
+            return null;
+        }
+
+        private class MockProviderService implements LinkProviderService {
+
+            @Override
+            public void linkDetected(LinkDescription linkDescription) {
+                links.add(DefaultLink.builder().src(linkDescription.src())
+                        .dst(linkDescription.dst()).state(ACTIVE).type(linkDescription.type())
+                        .providerId(ProviderId.NONE).build());
+            }
+
+            @Override
+            public void linkVanished(LinkDescription linkDescription) {
+                links.remove(DefaultLink.builder().src(linkDescription.src())
+                        .dst(linkDescription.dst()).state(ACTIVE).type(linkDescription.type())
+                        .providerId(ProviderId.NONE).build());
+            }
+
+            @Override
+            public void linksVanished(ConnectPoint connectPoint) {
+                // TODO Auto-generated method stub
+            }
+
+            @Override
+            public void linksVanished(DeviceId deviceId) {
+                // TODO Auto-generated method stub
+            }
+
+            @Override
+            public LinkProvider provider() {
+                // TODO Auto-generated method stub
+                return null;
+            }
+        }
+    }
+
+    /* Class implement device test registry */
+    private class MockDeviceRegistry implements DeviceProviderRegistry {
+        DeviceProvider provider;
+
+        Set<DeviceId> connected = new HashSet<>();
+
+        @Override
+        public DeviceProviderService register(DeviceProvider provider) {
+            this.provider = provider;
+            return new MockProviderService();
+        }
+
+        @Override
+        public void unregister(DeviceProvider provider) {
+        }
+
+        @Override
+        public Set<ProviderId> getProviders() {
+            return null;
+        }
+
+        private class MockProviderService implements DeviceProviderService {
+
+            @Override
+            public DeviceProvider provider() {
+                return null;
+            }
+
+            @Override
+            public void deviceConnected(DeviceId deviceId, DeviceDescription deviceDescription) {
+                connected.add(deviceId);
+                Device device = new DefaultDevice(ProviderId.NONE, deviceId, Device.Type.ROUTER, UNKNOWN, UNKNOWN,
+                        UNKNOWN, UNKNOWN, new ChassisId(), deviceDescription.annotations());
+                deviceMap.put(deviceId, device);
+            }
+
+            @Override
+            public void deviceDisconnected(DeviceId deviceId) {
+                connected.remove(deviceId);
+                deviceMap.remove(deviceId);
+            }
+
+            @Override
+            public void updatePorts(DeviceId deviceId, List<PortDescription> portDescriptions) {
+                // TODO Auto-generated method stub
+            }
+
+            @Override
+            public void portStatusChanged(DeviceId deviceId, PortDescription portDescription) {
+                // TODO Auto-generated method stub
+            }
+
+            @Override
+            public void receivedRoleReply(DeviceId deviceId, MastershipRole requested, MastershipRole response) {
+                // TODO Auto-generated method stub
+            }
+
+            @Override
+            public void updatePortStatistics(DeviceId deviceId, Collection<PortStatistics> portStatistics) {
+                // TODO Auto-generated method stub
+            }
+        }
+    }
+
+    /* Mock test for device service */
+    private class MockDeviceService extends DeviceServiceAdapter {
+        @Override
+        public Device getDevice(DeviceId deviceId) {
+            return deviceMap.get(deviceId);
+        }
+    }
+
+    /**
+     * Adds the PCEP device and removes it.
+     */
+    @Test
+    public void testPcepTopologyProviderTestAddDevice1() {
+        PcepClient pc = clientController.getClient(PccId.pccId(IpAddress.valueOf("1.1.1.1")));
+        for (PcepNodeListener l : clientController.pcepNodeListener) {
+            pc.setCapability(new ClientCapability(true, true, false, true, true));
+            l.addNode(pc);
+            assertThat(nodeRegistry.connected.size(), is(1));
+            assertThat(deviceMap.keySet().iterator().next(), is(DeviceId.deviceId("l3:1.1.1.1")));
+            assertThat(deviceMap.values().iterator().next().annotations().value(LABEL_STACK_CAPABILITY), is("true"));
+            assertThat(deviceMap.values().iterator().next().annotations().value(LSRID), is("1.1.1.1"));
+            assertThat(deviceMap.values().iterator().next().annotations().value(PCECC_CAPABILITY), is("true"));
+            assertThat(deviceMap.values().iterator().next().annotations().value(SR_CAPABILITY), is("true"));
+
+            l.deleteNode(pc.getPccId());
+            assertThat(nodeRegistry.connected.size(), is(0));
+        }
+    }
+}

@@ -6,6 +6,7 @@ COMPILE_DEPS = [
     '//incubator/api:onos-incubator-api',
     '//protocols/pcep/pcepio:onos-protocols-pcep-pcepio',
     '//protocols/pcep/api:onos-protocols-pcep-api',
+    '//protocols/pcep/ctl:onos-protocols-pcep-ctl',
 ]
 
 TEST_DEPS = [

@@ -49,5 +49,10 @@
             <version>${project.version} </version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-pcep-controller-impl</artifactId>
+            <version>${project.version} </version>
+        </dependency>
     </dependencies>
 </project>

@@ -36,6 +36,7 @@ import org.onosproject.incubator.net.tunnel.OpticalLogicId;
 import org.onosproject.incubator.net.tunnel.OpticalTunnelEndPoint;
 import org.onosproject.incubator.net.tunnel.Tunnel;
 import org.onosproject.incubator.net.tunnel.Tunnel.State;
+import org.onosproject.incubator.net.tunnel.TunnelAdminService;
 import org.onosproject.incubator.net.tunnel.TunnelDescription;
 import org.onosproject.incubator.net.tunnel.TunnelEndPoint;
 import org.onosproject.incubator.net.tunnel.TunnelId;
@@ -45,11 +46,14 @@ import org.onosproject.incubator.net.tunnel.TunnelProviderRegistry;
 import org.onosproject.incubator.net.tunnel.TunnelProviderService;
 import org.onosproject.incubator.net.tunnel.TunnelService;
 import org.onosproject.incubator.net.tunnel.TunnelStatistics;
+import org.onosproject.mastership.MastershipService;
+import org.onosproject.net.AnnotationKeys;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.DefaultAnnotations;
 import org.onosproject.net.DefaultAnnotations.Builder;
 import org.onosproject.net.DefaultLink;
 import org.onosproject.net.DefaultPath;
+import org.onosproject.net.Device;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.ElementId;
 import org.onosproject.net.IpElementId;
@@ -57,6 +61,7 @@ import org.onosproject.net.Link;
 import org.onosproject.net.Path;
 import org.onosproject.net.PortNumber;
 import org.onosproject.net.SparseAnnotations;
+import org.onosproject.net.device.DeviceService;
 import org.onosproject.net.provider.AbstractProvider;
 import org.onosproject.net.provider.ProviderId;
 import org.onosproject.pcep.api.PcepController;
@@ -68,12 +73,14 @@ import org.onosproject.pcep.api.PcepTunnel.PathState;
 import org.onosproject.pcep.api.PcepTunnel.PathType;
 import org.onosproject.pcep.api.PcepTunnelListener;
 import org.onosproject.pcep.api.PcepTunnelStatistics;
+import org.onosproject.pcep.controller.LspKey;
 import org.onosproject.pcep.controller.PccId;
 import org.onosproject.pcep.controller.PcepClient;
 import org.onosproject.pcep.controller.PcepClientController;
 import org.onosproject.pcep.controller.PcepClientListener;
 import org.onosproject.pcep.controller.PcepEventListener;
-import org.onosproject.pcep.controller.PcepSyncStatus;
+import org.onosproject.pcep.controller.PcepLspSyncAction;
+import org.onosproject.pcep.controller.impl.PcepLspStatus;
 import org.onosproject.pcepio.exceptions.PcepParseException;
 import org.onosproject.pcepio.protocol.PcInitiatedLspRequest;
 import org.onosproject.pcepio.protocol.PcepAttribute;
@@ -83,6 +90,7 @@ import org.onosproject.pcepio.protocol.PcepEroObject;
 import org.onosproject.pcepio.protocol.PcepInitiateMsg;
 import org.onosproject.pcepio.protocol.PcepLspObject;
 import org.onosproject.pcepio.protocol.PcepMessage;
+import org.onosproject.pcepio.protocol.PcepMetricObject;
 import org.onosproject.pcepio.protocol.PcepMsgPath;
 import org.onosproject.pcepio.protocol.PcepReportMsg;
 import org.onosproject.pcepio.protocol.PcepSrpObject;
@@ -107,8 +115,10 @@ import java.util.HashMap;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.ListIterator;
-import java.util.Map;
 import java.util.Optional;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
 
 import static com.google.common.base.Preconditions.checkNotNull;
 import static com.google.common.base.Strings.isNullOrEmpty;
@@ -125,14 +135,18 @@ import static org.onosproject.provider.pcep.tunnel.impl.PcepAnnotationKeys.LOCAL
 import static org.onosproject.provider.pcep.tunnel.impl.PcepAnnotationKeys.LSP_SIG_TYPE;
 import static org.onosproject.provider.pcep.tunnel.impl.PcepAnnotationKeys.PCC_TUNNEL_ID;
 import static org.onosproject.provider.pcep.tunnel.impl.PcepAnnotationKeys.PLSP_ID;
-import static org.onosproject.provider.pcep.tunnel.impl.PcepAnnotationKeys.PCE_INIT;
+import static org.onosproject.provider.pcep.tunnel.impl.PcepAnnotationKeys.DELEGATE;
+import static org.onosproject.provider.pcep.tunnel.impl.PcepAnnotationKeys.COST_TYPE;
 import static org.onosproject.provider.pcep.tunnel.impl.RequestType.CREATE;
 import static org.onosproject.provider.pcep.tunnel.impl.RequestType.DELETE;
 import static org.onosproject.provider.pcep.tunnel.impl.RequestType.LSP_STATE_RPT;
 import static org.onosproject.provider.pcep.tunnel.impl.RequestType.UPDATE;
-import static org.onosproject.pcep.controller.PcepSyncStatus.IN_SYNC;
-import static org.onosproject.pcep.controller.PcepSyncStatus.SYNCED;
 import static org.onosproject.incubator.net.tunnel.Tunnel.State.UNSTABLE;
+import static org.onosproject.pcep.controller.PcepLspSyncAction.REMOVE;
+import static org.onosproject.pcep.controller.PcepLspSyncAction.SEND_UPDATE;
+import static org.onosproject.pcep.controller.PcepLspSyncAction.SEND_DELETE;
+import static org.onosproject.pcepio.protocol.ver1.PcepMetricObjectVer1.IGP_METRIC;
+import static org.onosproject.pcepio.protocol.ver1.PcepMetricObjectVer1.TE_METRIC;
 import static org.slf4j.LoggerFactory.getLogger;
 
 /**
@@ -148,6 +162,11 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
     private static final long MIN_BANDWIDTH = 64;
     private static final String BANDWIDTH_UINT = "kbps";
     static final String PROVIDER_ID = "org.onosproject.provider.tunnel.pcep";
+    public static final long IDENTIFIER_SET = 0x100000000L;
+    public static final long SET = 0xFFFFFFFFL;
+    private static final int DELAY = 2;
+    private static final int WAIT_TIME = 5;
+    public static final String LSRID = "lsrId";
 
     static final int POLL_INTERVAL = 10;
     @Property(name = "tunnelStatsPollFrequency", intValue = POLL_INTERVAL,
@@ -171,6 +190,15 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected ComponentConfigService cfgService;
 
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected TunnelAdminService tunnelAdminService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected MastershipService mastershipService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected DeviceService deviceService;
+
     TunnelProviderService service;
 
     HashMap<String, TunnelId> tunnelMap = new HashMap<String, TunnelId>();
@@ -182,10 +210,6 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
     protected PcepTunnelApiMapper pcepTunnelApiMapper = new PcepTunnelApiMapper();
     private static final int DEFAULT_BANDWIDTH_VALUE = 10;
 
-    private Map<IpAddress, Map<TunnelId, Tunnel>> preSyncLspDbMap = new HashMap<>();
-    private Map<IpAddress, List<Tunnel>> syncCompleteDeleteList = new HashMap<>();
-    private Map<IpAddress, List<Tunnel>> syncCompleteUpdateList = new HashMap<>();
-
     /**
      * Creates a Tunnel provider.
      */
@@ -263,7 +287,8 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
         }
 
         //If stateful and PC Initiation capability is not supported by client not sending Initiate msg
-        if (pc.capability().pcInstantiationCapability()) {
+        //Only master will initiate setup tunnel
+        if (pc.capability().pcInstantiationCapability() && mastershipService.isLocalMaster(getDevice(pc.getPccId()))) {
             pcepSetupTunnel(tunnel, path, pc);
         }
     }
@@ -300,7 +325,10 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
             return;
         }
 
-        if (pc.capability().pcInstantiationCapability()) {
+        //If stateful and PC Initiation capability is not supported by client not sending Initiate msg
+        //Only master will initiate setup tunnel
+        if (pc.capability().pcInstantiationCapability()
+                && mastershipService.isLocalMaster(getDevice(pc.getPccId()))) {
             pcepSetupTunnel(tunnel, path, pc);
         }
     }
@@ -327,7 +355,9 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
             return;
         }
 
-        if (pc.capability().pcInstantiationCapability()) {
+        //Only master will release tunnel
+        if (pc.capability().pcInstantiationCapability()
+                && mastershipService.isLocalMaster(getDevice(pc.getPccId()))) {
             pcepReleaseTunnel(tunnel, pc);
         }
     }
@@ -358,7 +388,9 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
             return;
         }
 
-        if (pc.capability().pcInstantiationCapability()) {
+        //Only master will release tunnel
+        if (pc.capability().pcInstantiationCapability()
+                && mastershipService.isLocalMaster(getDevice(pc.getPccId()))) {
             pcepReleaseTunnel(tunnel, pc);
         }
     }
@@ -384,7 +416,12 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
             return;
         }
 
-        if (pc.capability().statefulPceCapability()) {
+        // If delegation flag is set then only send update message[means delegated PCE can send update msg for that
+        // LSP].If annotation is null D flag is not set else it is set.
+        if (pc.capability().statefulPceCapability()
+                && pc.delegationInfo(
+                        new LspKey(Integer.valueOf(tunnel.annotations().value(PLSP_ID)), Short.valueOf(tunnel
+                                .annotations().value(LOCAL_LSP_ID)))) != null) {
             pcepUpdateTunnel(tunnel, path, pc);
         }
     }
@@ -416,7 +453,12 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
             return;
         }
 
-        if (pc.capability().statefulPceCapability()) {
+        // If delegation flag is set then only send update message[means delegated PCE can send update msg for that
+        // LSP].If annotation is null D flag is not set else it is set.
+        if (pc.capability().statefulPceCapability()
+                && pc.delegationInfo(
+                        new LspKey(Integer.valueOf(tunnel.annotations().value(PLSP_ID)), Short.valueOf(tunnel
+                                .annotations().value(LOCAL_LSP_ID)))) != null) {
             pcepUpdateTunnel(tunnel, path, pc);
         }
     }
@@ -480,6 +522,43 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
         return tunnelId;
     }
 
+    private void tunnelUpdated(Tunnel tunnel, Path path) {
+        handleTunnelUpdate(tunnel, path);
+    }
+
+    //Handles tunnel updated using tunnel admin service[specially to update annotations].
+    private void handleTunnelUpdate(Tunnel tunnel, Path path) {
+
+        if (tunnel.type() == MPLS) {
+            pcepTunnelApiMapper.removeFromCoreTunnelRequestQueue(tunnel.tunnelId());
+
+            tunnelAdminService.updateTunnel(tunnel, path);
+
+            return;
+        }
+
+        Tunnel tunnelOld = tunnelQueryById(tunnel.tunnelId());
+        if (tunnelOld.type() != Tunnel.Type.VLAN) {
+            error("Illegal tunnel type. Only support VLAN tunnel update.");
+            return;
+        }
+
+        long bandwidth = Long
+                .parseLong(tunnel.annotations().value("bandwidth"));
+        if (bandwidth < MIN_BANDWIDTH || bandwidth > MAX_BANDWIDTH) {
+            error("Update failed, invalid bandwidth.");
+            return;
+        }
+        String pcepTunnelId = getPcepTunnelKey(tunnel.tunnelId());
+
+        checkNotNull(pcepTunnelId, "Invalid tunnel id");
+        if (!controller.updateTunnelBandwidth(pcepTunnelId, bandwidth)) {
+            error("Update failed,maybe invalid bandwidth.");
+            return;
+        }
+        tunnelAdminService.updateTunnel(tunnel, path);
+    }
+
     @Override
     public void tunnelRemoved(TunnelDescription tunnel) {
         if (tunnel.type() == MPLS) {
@@ -681,7 +760,6 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
                                                                 path,
                                                                 annotations);
         return tunnel;
-
     }
 
     /**
@@ -1098,41 +1176,8 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
                         log.debug("SRP ID in handle message " + srpId);
 
                         if (!(pcepTunnelApiMapper.checkFromTunnelRequestQueue(srpId))) {
-
-                            // Check the sync status
-                            if (lspObj.getSFlag()) {
-                                if (pcepClientController.getClient(pccId).lspDbSyncStatus() != IN_SYNC) {
-                                    pcepClientController.getClient(pccId).setLspDbSyncStatus(IN_SYNC);
-
-                                    // On starting LSP-DB sync, store LSP DB locally for this PCC.
-                                    Map<TunnelId, Tunnel> preSyncLspDb = new HashMap<>();
-                                    Collection<Tunnel> queriedTunnels = tunnelService.queryTunnel(MPLS);
-
-                                    for (Tunnel tunnel : queriedTunnels) {
-                                        if (((IpTunnelEndPoint) tunnel.src()).ip().equals(pccId.ipAddress())) {
-                                            preSyncLspDb.put(tunnel.tunnelId(), tunnel);
-                                        }
-                                    }
-
-                                    preSyncLspDbMap.put(pccId.ipAddress(), preSyncLspDb);
-                                    syncCompleteDeleteList.put(pccId.ipAddress(), new LinkedList<>());
-                                    syncCompleteUpdateList.put(pccId.ipAddress(), new LinkedList<>());
-                                }
-                                handleRptWithoutSrpId(stateRpt, pccId, IN_SYNC);
-                                continue;
-
-                            } else if (pcepClientController.getClient(pccId).lspDbSyncStatus() == IN_SYNC) {
-                                // If sync flag is not set in the msg, and the
-                                // previous state was "in sync" means this is
-                                // end of sync message. PCRpt for end of sync
-                                // does not carry any LSP report.
-                                pcepClientController.getClient(pccId).setLspDbSyncStatus(SYNCED);
-                                handleEndOfSyncAction(pccId);
-                                continue;
-                            }
-
-                            // For PCRpt without matching SRP id not during LSPDB sync.
-                            handleRptWithoutSrpId(stateRpt, pccId, SYNCED);
+                            // For PCRpt without matching SRP id.
+                            handleRptWithoutSrpId(stateRpt, pccId);
                             continue;
                         }
 
@@ -1226,27 +1271,30 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
             }
         }
 
-        private void handleRptWithoutSrpId(PcepStateReport stateRpt, PccId pccId, PcepSyncStatus syncStatus) {
-            ProviderId providerId = new ProviderId("pcep", PROVIDER_ID);
-            PcepStateReport.PcepMsgPath msgPath = stateRpt.getMsgPath();
-            checkNotNull(msgPath);
-            PcepEroObject eroObj = msgPath.getEroObject();
-            if (eroObj == null) {
-                log.error("ERO object is null in report message.");
-                return;
-            }
-            Path path = buildPathFromEroObj(eroObj, providerId);
+        private SparseAnnotations getAnnotations(PcepLspObject lspObj, StatefulIPv4LspIdentifiersTlv ipv4LspIdenTlv,
+                float bandwidth, LspType lspType, String costType) {
 
-            int bandwidth = 0;
-            if (msgPath.getBandwidthObject() != null) {
-                bandwidth = msgPath.getBandwidthObject().getBandwidth();
-            }
+            Builder builder = DefaultAnnotations.builder();
 
             /*
-             * To carry PST TLV, SRP object can be present with value 0 even when PCRpt is not in response to any action
-             * from PCE.
+             * [RFC 5440] The absence of the METRIC object MUST be interpreted by the PCE as a path computation request
+             * for which no constraints need be applied to any of the metrics.
              */
-            PcepSrpObject srpObj = stateRpt.getSrpObject();
+            if (costType != null) {
+                builder.set(COST_TYPE, costType);
+            }
+
+            SparseAnnotations annotations = builder
+                    .set(BANDWIDTH, (new Float(bandwidth)).toString()).set(LSP_SIG_TYPE, lspType.name())
+                    .set(PCC_TUNNEL_ID, String.valueOf(ipv4LspIdenTlv.getTunnelId()))
+                    .set(PLSP_ID, String.valueOf(lspObj.getPlspId()))
+                    .set(LOCAL_LSP_ID, String.valueOf(ipv4LspIdenTlv.getLspId()))
+                    .set(DELEGATE, String.valueOf(lspObj.getDFlag()))
+                    .build();
+            return annotations;
+        }
+
+        private LspType getLspType(PcepSrpObject srpObj) {
             LspType lspType = WITH_SIGNALLING;
 
             if (null != srpObj) {
@@ -1266,6 +1314,55 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
                     }
                 }
             }
+            return lspType;
+        }
+
+        private void handleRptWithoutSrpId(PcepStateReport stateRpt, PccId pccId) {
+            ProviderId providerId = new ProviderId("pcep", PROVIDER_ID);
+            String costType = null;
+            PcepStateReport.PcepMsgPath msgPath = stateRpt.getMsgPath();
+            checkNotNull(msgPath);
+            PcepEroObject eroObj = msgPath.getEroObject();
+            if (eroObj == null) {
+                log.error("ERO object is null in report message.");
+                return;
+            }
+
+            PcepAttribute attributes = msgPath.getPcepAttribute();
+            int cost = 0;
+            if (attributes != null && attributes.getMetricObjectList() != null) {
+                ListIterator<PcepMetricObject> iterator = attributes.getMetricObjectList().listIterator();
+                PcepMetricObject metricObj = iterator.next();
+
+                while (metricObj != null) {
+                    if (metricObj.getBType() == IGP_METRIC) {
+                        costType = "COST";
+                    } else if (metricObj.getBType() == TE_METRIC) {
+                        costType = "TE_COST";
+                    }
+
+                    if (costType != null) {
+                        cost = metricObj.getMetricVal();
+                        log.debug("Path cost {}", cost);
+                        break;
+                    }
+                    metricObj = iterator.next();
+                }
+            }
+
+            Path path = buildPathFromEroObj(eroObj, providerId, cost);
+
+            float bandwidth = 0;
+            if (msgPath.getBandwidthObject() != null) {
+                bandwidth = msgPath.getBandwidthObject().getBandwidth();
+            }
+
+            /*
+             * To carry PST TLV, SRP object can be present with value 0 even when PCRpt is not in response to any action
+             * from PCE.
+             */
+            PcepSrpObject srpObj = stateRpt.getSrpObject();
+            LspType lspType = getLspType(srpObj);
 
             PcepLspObject lspObj = stateRpt.getLspObject();
             ListIterator<PcepValueType> listTlvIterator = lspObj.getOptionalTlv().listIterator();
@@ -1287,7 +1384,6 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
                     break;
                 }
             }
-
             /*
              * Draft says: The LSP-IDENTIFIERS TLV MUST be included in the LSP object in PCRpt messages for
              * RSVP-signaled LSPs. For ONOS PCECC implementation, it is mandatory.
@@ -1303,6 +1399,14 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
                     .ipTunnelPoint(IpAddress.valueOf(ipv4LspIdenTlv.getIpv4EgressAddress()));
             Collection<Tunnel> tunnelQueryResult = tunnelService.queryTunnel(tunnelEndPointSrc, tunnelEndPointDst);
 
+            // Store delegation flag info and that LSP info because only delegated PCE sends update message
+            // Storing if D flag is set, if not dont store. while checking whether delegation if annotation for D flag
+            // not present then non-delegated , if present it is delegated.
+            if (lspObj.getDFlag()) {
+                pcepClientController.getClient(pccId).setLspAndDelegationInfo(
+                        new LspKey(lspObj.getPlspId(), ipv4LspIdenTlv.getLspId()), lspObj.getDFlag());
+            }
+
             Tunnel tunnel = null;
             // Asynchronous status change message from PCC for LSP reported earlier.
             for (Tunnel tunnelObj : tunnelQueryResult) {
@@ -1321,7 +1425,6 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
                     }
                     continue;
                 }
-
                 if ((Integer.valueOf(tunnelObj.annotations().value(PLSP_ID)) == lspObj.getPlspId()) && (Integer
                         .valueOf(tunnelObj.annotations().value(LOCAL_LSP_ID)) == ipv4LspIdenTlv.getLspId())) {
                     tunnel = tunnelObj;
@@ -1330,6 +1433,7 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
             }
 
             DefaultTunnelDescription td;
+            SparseAnnotations annotations = null;
             State tunnelState = PcepLspStatus.getTunnelStatusFromLspStatus(PcepLspStatus.values()[lspObj.getOFlag()]);
             if (tunnel == null) {
                 if (lspObj.getRFlag()) {
@@ -1340,91 +1444,96 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
                     return;
                 }
 
-                if (lspObj.getCFlag()) {
-                    /*
-                     * While in sync, if PCRpt is received for PCE init LSP and PCE doesn't have entry, mark to send
-                     * delete message on end of sync.
-                     */
-                    SparseAnnotations annotations = DefaultAnnotations.builder()
-                            .set(BANDWIDTH, (new Integer(bandwidth)).toString())
-                            .set(LSP_SIG_TYPE, lspType.name())
-                            .set(PCC_TUNNEL_ID, String.valueOf(ipv4LspIdenTlv.getTunnelId()))
-                            .set(PLSP_ID, String.valueOf(lspObj.getPlspId()))
-                            .set(LOCAL_LSP_ID, String.valueOf(ipv4LspIdenTlv.getLspId())).build();
-
-                    // Gnenerate tunnel id for the temporary tunnel.
-                    String onosTunnelId = "PCC" + String.valueOf(ipv4LspIdenTlv.getTunnelId());
-                    Tunnel tunnelToBeDeleted = new DefaultTunnel(providerId, tunnelEndPointSrc, tunnelEndPointDst, MPLS,
-                                                                 new DefaultGroupId(0), TunnelId.valueOf(onosTunnelId),
-                                                                 TunnelName.tunnelName(String
-                                                                         .valueOf(pathNameTlv.getValue())),
-                                                                 path, annotations);
-
-                    /*
-                     * Need to send PCInitiate delete msg for a tunnel which does not exist at PCE. For that some dummy
-                     * data-structures need to be populated.
-                     */
-                    PcepTunnelData pcepTunnelData = new PcepTunnelData(tunnelToBeDeleted, path, RequestType.DELETE);
-                    pcepTunnelData.setPlspId(lspObj.getPlspId());
-                    pcepTunnelData.setStatefulIpv4IndentifierTlv(ipv4LspIdenTlv);
-                    pcepTunnelApiMapper.addToTunnelIdMap(pcepTunnelData);
-                    pcepTunnelApiMapper.handleCreateTunnelRequestQueue(0, pcepTunnelData);
-
-                    /*
-                     * Add to the list of tunnels for which PCInit delete will be sent at the end of sync.
-                     */
-                    List<Tunnel> tunnelToBeDeletedList = syncCompleteDeleteList.get(pccId.ipAddress());
-                    tunnelToBeDeletedList.add(tunnelToBeDeleted);
-                    syncCompleteDeleteList.put(pccId.ipAddress(), tunnelToBeDeletedList);
+                DeviceId deviceId = getDevice(pccId);
+                if (deviceId == null) {
+                    log.error("Ingress deviceId not found");
                     return;
                 }
+                annotations = getAnnotations(lspObj, ipv4LspIdenTlv, bandwidth, lspType, costType);
 
-                SparseAnnotations annotations = DefaultAnnotations.builder()
-                        .set(BANDWIDTH, (new Integer(bandwidth)).toString())
-                        .set(LSP_SIG_TYPE, lspType.name())
-                        .set(PCC_TUNNEL_ID, String.valueOf(ipv4LspIdenTlv.getTunnelId()))
-                        .set(PLSP_ID, String.valueOf(lspObj.getPlspId()))
-                        .set(LOCAL_LSP_ID, String.valueOf(ipv4LspIdenTlv.getLspId())).build();
-
-                td = new DefaultTunnelDescription(null, tunnelEndPointSrc, tunnelEndPointDst, MPLS,
-                                                  new DefaultGroupId(0), providerId,
-                                                  TunnelName.tunnelName(String.valueOf(pathNameTlv.getValue())), path,
+                td = new DefaultTunnelDescription(null, tunnelEndPointSrc, tunnelEndPointDst, MPLS, new DefaultGroupId(
+                        0), providerId, TunnelName.tunnelName(new String(pathNameTlv.getValue())), path,
                         annotations);
 
+                // Do not support PCC initiated LSP after LSP DB sync is completed.
+                if (!lspObj.getSFlag() && !lspObj.getCFlag()) {
+                    log.error("Received PCC initiated LSP while not in sync.");
+                    return;
+                }
+
+                /*
+                 * If ONOS instance is master for PCC then set delegated flag as annotation and add the tunnel to store.
+                 * Because all LSPs need not be delegated, hence mastership for the PCC is confirmed whereas not the
+                 * delegation set to all LSPs.If ONOS is not the master for that PCC then check if D flag is set, if yes
+                 * wait for 2 seconds [while master has added the tunnel to the store] then update the tunnel. Tunnel is
+                 * updated because in case of resilency only delegated LSPs are recomputed and only delegated PCE can
+                 * send update message to that client.
+                 *
+                 * 1)Master can 1st get the Rpt message
+                 * a)Master adds the tunnel into core.
+                 * b)If a non-master for ingress gets Rpt message with D flag set[as delegation owner]
+                 *  after master, then runs timer then update the tunnel with D flag set.
+                 * 2)Non-Master can 1st get the Rpt message
+                 * a)Non-Master runs the timer check for the tunnel then updates the tunnel with D flag set
+                 * b)Master would have got the message while the non-master running timer, hence master adds
+                 *  tunnel to core
+                 *
+                 * In general always master adds the tunnel to the core
+                 * while delegated owner [master or non-master with D flag set] always updates the tunnel running timer
+                 */
+                if (mastershipService.isLocalMaster(deviceId)) {
                     TunnelId tId = tunnelAdded(td, tunnelState);
                     Tunnel tunnelInserted = new DefaultTunnel(providerId, tunnelEndPointSrc, tunnelEndPointDst, MPLS,
-                                                          tunnelState, new DefaultGroupId(0), tId,
-                                                          TunnelName.tunnelName(String.valueOf(pathNameTlv.getValue())),
-                                                          path, annotations);
+                            tunnelState, new DefaultGroupId(0), tId, TunnelName.tunnelName(String.valueOf(pathNameTlv
+                                    .getValue())), path, annotations);
 
                     PcepTunnelData pcepTunnelData = new PcepTunnelData(tunnelInserted, path, LSP_STATE_RPT);
                     pcepTunnelData.setStatefulIpv4IndentifierTlv(ipv4LspIdenTlv);
                     pcepTunnelApiMapper.addToTunnelIdMap(pcepTunnelData);
+                } else if (!mastershipService.isLocalMaster(deviceId) && lspObj.getDFlag()) {
+                    //Start timer then update the tunnel with D flag
+                    tunnelUpdateInDelegatedCase(pccId, annotations, td, providerId);
+                }
                 return;
             }
 
-            if ((syncStatus == IN_SYNC) && (lspObj.getCFlag()) && (tunnelState != tunnel.state())) {
-                // Mark to send PCUpd msg with state known at PCE.
-                List<Tunnel> tunnelToBeUpdateList = syncCompleteUpdateList.get(pccId.ipAddress());
-                tunnelToBeUpdateList.add(tunnel);
-                syncCompleteUpdateList.put(pccId.ipAddress(), tunnelToBeUpdateList);
+            //delegated owner will update can be a master or non-master
+            if (lspObj.getDFlag()) {
+                annotations = getAnnotations(lspObj, ipv4LspIdenTlv, bandwidth, lspType, costType);
+                td = new DefaultTunnelDescription(null, tunnelEndPointSrc, tunnelEndPointDst, MPLS, new DefaultGroupId(
+                        0), providerId, TunnelName.tunnelName(new String(pathNameTlv.getValue())), path,
+                        annotations);
+                tunnelUpdateInDelegatedCase(pccId, annotations, td, providerId);
+            }
+            removeOrUpdatetunnel(tunnel, pccId, lspObj, providerId, tunnelState);
             return;
         }
 
-            td = new DefaultTunnelDescription(tunnel.tunnelId(), tunnel.src(), tunnel.dst(),
-                                                                       tunnel.type(), tunnel.groupId(), providerId,
-                                                                       tunnel.tunnelName(), tunnel.path(),
+        private void removeOrUpdatetunnel(Tunnel tunnel, PccId pccId, PcepLspObject lspObj, ProviderId providerId,
+                State tunnelState) {
+            DefaultTunnelDescription td = new DefaultTunnelDescription(tunnel.tunnelId(), tunnel.src(), tunnel.dst(),
+                    tunnel.type(), tunnel.groupId(), providerId, tunnel.tunnelName(), tunnel.path(),
                     (SparseAnnotations) tunnel.annotations());
-
             if (lspObj.getRFlag()) {
                 tunnelRemoved(td);
             } else {
-                if (syncStatus == IN_SYNC) {
-                    markLspDbEntryAsLatest(pccId, tunnel.tunnelId());
-                }
                 tunnelUpdated(td, tunnelState);
             }
-            return;
+        }
+
+        private void tunnelUpdateInDelegatedCase(PccId pccId, SparseAnnotations annotations,
+                DefaultTunnelDescription td, ProviderId providerId) {
+            //Wait for 2sec then query tunnel based on ingress PLSP-ID and local LSP-ID
+
+            /*
+             * If ONOS is not the master for that PCC then check if D flag is set, if yes wait [while
+             * master has added the tunnel to the store] then update the tunnel.
+             */
+            ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor();
+
+            // Thread is started after 2 seconds first time later periodically after 2 seconds to update the tunnel
+            executor.scheduleAtFixedRate(new UpdateDelegation(td, providerId, annotations, pccId,
+                    executor), DELAY, DELAY, TimeUnit.SECONDS);
         }
 
         /**
@@ -1432,9 +1541,10 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
          *
          * @param eroObj ERO object
          * @param providerId provider id
+         * @param cost cost of path
          * @return path object
          */
-        private Path buildPathFromEroObj(PcepEroObject eroObj, ProviderId providerId) {
+        private Path buildPathFromEroObj(PcepEroObject eroObj, ProviderId providerId, int cost) {
             checkNotNull(eroObj);
             List<Link> links = new ArrayList<Link>();
             LinkedList<PcepValueType> llSubObj = eroObj.getSubObjects();
@@ -1474,7 +1584,8 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
                     // the other sub objects are not required
                 }
             }
-            return new DefaultPath(providerId, links, 0, EMPTY);
+
+            return new DefaultPath(providerId, links, cost, EMPTY);
         }
 
         @Override
@@ -1493,45 +1604,15 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
             TunnelStatistics tunnelStatistics = buildTunnelStatistics(pcepTunnelStatistics);
             tunnelStatisticsMap.put(id, tunnelStatistics);
         }
-    }
 
         @Override
-    public Tunnel tunnelQueryById(TunnelId tunnelId) {
-        return service.tunnelQueryById(tunnelId);
-    }
+        public void handleEndOfSyncAction(Tunnel tunnel, PcepLspSyncAction endOfSyncAction) {
 
-    /**
-     * Removes the entry from temporary copy of LSPDB, signifying its status as upto date.
-     *
-     * @param pccId the key for temporary LSPDB
-     * @param tunnelId the tunnel id for which information is updated.
-     */
-    private void markLspDbEntryAsLatest(PccId pccId, TunnelId tunnelId) {
-        checkNotNull(pccId);
-        checkNotNull(tunnelId);
-
-        Map<TunnelId, Tunnel> preSyncLspDb = preSyncLspDbMap.get(pccId.ipAddress());
-        checkNotNull(preSyncLspDb);
-
-        preSyncLspDb.remove(tunnelId);
-        preSyncLspDbMap.put(pccId.ipAddress(), preSyncLspDb);
+            if (endOfSyncAction == SEND_UPDATE) {
+                updateTunnel(tunnel, tunnel.path());
+                return;
             }
 
-    /**
-     * Sends PCInit, PCInit(R) or PCUpd messages for initiated LSPs at the end
-     * of LSP DB sync based on actions decided while sync was in progress. Also
-     * triggers label DB sync.
-     *
-     * @param pccId the key for temporary DBs storing required end of sync
-     *            actions.
-     */
-    private void handleEndOfSyncAction(PccId pccId) {
-
-        Map<TunnelId, Tunnel> preSyncLspDb = preSyncLspDbMap.get(pccId.ipAddress());
-        checkNotNull(preSyncLspDb);
-
-        for (Tunnel tunnel : preSyncLspDb.values()) {
-
             TunnelDescription td = new DefaultTunnelDescription(tunnel.tunnelId(),
                                                                 tunnel.src(), tunnel.dst(),
                                                                 tunnel.type(),
@@ -1541,41 +1622,133 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
                                                                 tunnel.path(),
                                                                 (SparseAnnotations) tunnel.annotations());
 
-            if ((tunnel.annotations().value(PCE_INIT) == null)
-                    || (tunnel.annotations().value(PCE_INIT).equals("false"))) {
 
-                tunnelRemoved(td);
-            } else {
+            if (endOfSyncAction == PcepLspSyncAction.UNSTABLE) {
+
                 // Send PCInit msg again after global reoptimization.
                 tunnelUpdated(td, UNSTABLE);
 
                 // To remove the old tunnel from store whose PLSPID is not
                 // recognized by ingress PCC.
                 tunnelRemoved(td);
+
+            } else if (endOfSyncAction == REMOVE) {
+                tunnelRemoved(td);
+            }
+        }
+
+        @Override
+        public void handleEndOfSyncAction(PccId pccId, PcepMessage msg, PcepLspSyncAction endOfSyncAction) {
+            try {
+                if ((msg instanceof PcepInitiateMsg) && (endOfSyncAction == SEND_DELETE)) {
+                    PcepClient pc = pcepClientController.getClient(pccId);
+                    LinkedList<PcInitiatedLspRequest> llPcInitiatedLspRequestList = ((PcepInitiateMsg) msg)
+                            .getPcInitiatedLspRequestList();
+                    PcInitiatedLspRequest pcInitMsg = llPcInitiatedLspRequestList.iterator().next();
+
+                    if (pcInitMsg != null) {
+                        PcepSrpObject srpobj = pc.factory().buildSrpObject().setSrpID(SrpIdGenerators.create())
+                                .setRFlag(true).build();
+
+                        PcInitiatedLspRequest releaseLspRequest = pc.factory().buildPcInitiatedLspRequest()
+                                .setLspObject(pcInitMsg.getLspObject()).setSrpObject(srpobj).build();
+
+                        llPcInitiatedLspRequestList.remove(pcInitMsg);
+                        llPcInitiatedLspRequestList.add(releaseLspRequest);
+
+                        PcepInitiateMsg pcInitiateMsg = pc.factory().buildPcepInitiateMsg()
+                                .setPcInitiatedLspRequestList(llPcInitiatedLspRequestList).build();
+
+                        pc.sendMessage(Collections.singletonList(pcInitiateMsg));
+                    }
+                }
+            } catch (PcepParseException e) {
+                log.error("Exception occured while sending initiate delete message {}", e.getMessage());
+            }
+        }
+    }
+    @Override
+    public Tunnel tunnelQueryById(TunnelId tunnelId) {
+        return service.tunnelQueryById(tunnelId);
+    }
+
+
+    private DeviceId getDevice(PccId pccId) {
+        // Get lsrId of the PCEP client from the PCC ID. Session info is based on lsrID.
+        IpAddress lsrId = pccId.ipAddress();
+        String lsrIdentifier = String.valueOf(lsrId);
+
+        // Find PCC deviceID from lsrId stored as annotations
+        Iterable<Device> devices = deviceService.getAvailableDevices();
+        for (Device dev : devices) {
+            if (dev.annotations().value(AnnotationKeys.TYPE).equals("L3")
+                    && dev.annotations().value(LSRID).equals(lsrIdentifier)) {
+                return dev.id();
             }
         }
+        return null;
+    }
+
+    /**
+     * Updates the tunnel with updated tunnel annotation after a delay of two seconds and checks it till
+     * tunnel is found.
+     */
+    private class UpdateDelegation implements Runnable {
+        DefaultTunnelDescription td;
+        ProviderId providerId;
+        SparseAnnotations annotations;
+        PccId pccId;
+        ScheduledExecutorService executor;
 
-        List<Tunnel> tunnelsToBeDeletedList = syncCompleteDeleteList.get(pccId.ipAddress());
-        checkNotNull(tunnelsToBeDeletedList);
-        for (Tunnel tunnel: tunnelsToBeDeletedList) {
-            releaseTunnel(tunnel);
+        /**
+         * Creates an instance of UpdateDelegation.
+         *
+         * @param td tunnel description
+         * @param providerId provider id
+         * @param annotations tunnel annotations
+         * @param pccId PCEP client id
+         * @param executor service of delegated owner
+         */
+        public UpdateDelegation(DefaultTunnelDescription td, ProviderId providerId, SparseAnnotations annotations,
+                PccId pccId, ScheduledExecutorService executor) {
+            this.td = td;
+            this.providerId = providerId;
+            this.annotations = annotations;
+            this.pccId = pccId;
+            this.executor = executor;
         }
 
-        List<Tunnel> tunnelsToBeUpdatedList = syncCompleteUpdateList.get(pccId.ipAddress());
-        checkNotNull(tunnelsToBeUpdatedList);
-        for (Tunnel tunnel: tunnelsToBeUpdatedList) {
-            updateTunnel(tunnel, tunnel.path());
+        //Temporary using annotations later will use projection/network config service
+        @Override
+        public void run() {
+            Collection<Tunnel> tunnelQueryResult = tunnelService.queryTunnel(td.src(), td.dst());
+            TunnelId tempTunnelId = null;
+            for (Tunnel t : tunnelQueryResult) {
+                if (t.annotations().value(LOCAL_LSP_ID) == null ||  t.annotations().value(PLSP_ID) == null) {
+                    continue;
                 }
 
-        /* On end of sync, empty all temporary data structures. */
-        preSyncLspDbMap.remove(pccId.ipAddress());
-        syncCompleteDeleteList.remove(pccId.ipAddress());
-        syncCompleteUpdateList.remove(pccId.ipAddress());
+                if (t.annotations().value(LOCAL_LSP_ID).equals(td.annotations().value(LOCAL_LSP_ID))
+                        && t.annotations().value(PLSP_ID).equals(td.annotations().value(PLSP_ID))
+                        && ((IpTunnelEndPoint) t.src()).ip().equals(pccId.id())) {
+                    tempTunnelId = t.tunnelId();
+                    break;
+                }
+            }
 
-        // TODO: If SR capable, send a notification to
-        // PCE APP to start label DB sync.
-        if (true) {
-            pcepClientController.getClient(pccId).setLabelDbSyncStatus(IN_SYNC);
+            //If tunnel is found update the tunnel and shutdown the thread otherwise thread will be executing
+            //periodically
+            if (tempTunnelId != null) {
+                Tunnel tunnel = new DefaultTunnel(providerId, td.src(), td.dst(), MPLS, new DefaultGroupId(0),
+                        tempTunnelId, td.tunnelName(), td.path(), annotations);
+                tunnelUpdated(tunnel, td.path());
+                executor.shutdown();
+                try {
+                    executor.awaitTermination(WAIT_TIME, TimeUnit.SECONDS);
+                } catch (InterruptedException e) {
+                    log.error("updating delegation failed");
+                }
+            }
         }
     }
 }

@@ -17,17 +17,22 @@ package org.onosproject.provider.pcep.tunnel.impl;
 
 import static org.junit.Assert.assertNotNull;
 
+import java.util.HashMap;
+import java.util.LinkedList;
 import java.util.List;
+import java.util.Map;
 import java.util.concurrent.RejectedExecutionException;
 
 import org.jboss.netty.channel.Channel;
 import org.onosproject.pcep.controller.ClientCapability;
+import org.onosproject.pcep.controller.LspKey;
 import org.onosproject.pcep.controller.PccId;
 import org.onosproject.pcep.controller.PcepClient;
 import org.onosproject.pcep.controller.PcepSyncStatus;
 import org.onosproject.pcepio.protocol.PcepFactories;
 import org.onosproject.pcepio.protocol.PcepFactory;
 import org.onosproject.pcepio.protocol.PcepMessage;
+import org.onosproject.pcepio.protocol.PcepStateReport;
 import org.onosproject.pcepio.protocol.PcepVersion;
 
 /**
@@ -45,6 +50,8 @@ public class PcepClientAdapter implements PcepClient {
     private PcepVersion pcepVersion;
     private PcepSyncStatus lspDbSyncStatus;
     private PcepSyncStatus labelDbSyncStatus;
+    private Map<LspKey, Boolean> lspDelegationInfo = new HashMap<>();
+    private Map<PccId, List<PcepStateReport>> sycRptCache = new HashMap<>();
 
     /**
      * Initialize instance with specified parameters.
@@ -139,4 +146,45 @@ public class PcepClientAdapter implements PcepClient {
     public ClientCapability capability() {
         return capability;
     }
+
+    @Override
+    public void addNode(PcepClient pc) {
+    }
+
+    @Override
+    public void deleteNode(PccId pccId) {
+    }
+
+    @Override
+    public void setLspAndDelegationInfo(LspKey lspKey, boolean dFlag) {
+        lspDelegationInfo.put(lspKey, dFlag);
+    }
+
+    @Override
+    public Boolean delegationInfo(LspKey lspKey) {
+        return lspDelegationInfo.get(lspKey);
+    }
+
+    @Override
+    public void initializeSyncMsgList(PccId pccId) {
+        List<PcepStateReport> rptMsgList = new LinkedList<>();
+        sycRptCache.put(pccId, rptMsgList);
+    }
+
+    @Override
+    public List<PcepStateReport> getSyncMsgList(PccId pccId) {
+        return sycRptCache.get(pccId);
+    }
+
+    @Override
+    public void removeSyncMsgList(PccId pccId) {
+        sycRptCache.remove(pccId);
+    }
+
+    @Override
+    public void addSyncMsgToList(PccId pccId, PcepStateReport rptMsg) {
+        List<PcepStateReport> rptMsgList = sycRptCache.get(pccId);
+        rptMsgList.add(rptMsg);
+        sycRptCache.put(pccId, rptMsgList);
+    }
 }

@@ -24,13 +24,13 @@ import java.util.concurrent.ConcurrentHashMap;
 
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Deactivate;
-import org.onlab.packet.IpAddress;
-import org.onosproject.pcep.controller.ClientCapability;
 import org.onosproject.pcep.controller.PccId;
 import org.onosproject.pcep.controller.PcepClient;
 import org.onosproject.pcep.controller.PcepClientController;
 import org.onosproject.pcep.controller.PcepClientListener;
 import org.onosproject.pcep.controller.PcepEventListener;
+import org.onosproject.pcep.controller.PcepNodeListener;
+import org.onosproject.pcep.controller.PcepPacketListener;
 import org.onosproject.pcep.controller.driver.PcepAgent;
 import org.onosproject.pcepio.protocol.PcepError;
 import org.onosproject.pcepio.protocol.PcepErrorInfo;
@@ -57,6 +57,8 @@ public class PcepClientControllerAdapter implements PcepClientController {
     protected Set<PcepClientListener> pcepClientListener = new HashSet<>();
 
     protected Set<PcepEventListener> pcepEventListener = Sets.newHashSet();
+    public Set<PcepNodeListener> pcepNodeListener = Sets.newHashSet();
+    protected Set<PcepPacketListener> pcepPacketListener = Sets.newHashSet();
 
     @Activate
     public void activate() {
@@ -73,16 +75,11 @@ public class PcepClientControllerAdapter implements PcepClientController {
 
     @Override
     public PcepClient getClient(PccId pccId) {
-        if (null != connectedClients.get(pccId)) {
+        if (connectedClients.get(pccId) != null) {
             return connectedClients.get(pccId);
         }
         PcepClientAdapter pc = new PcepClientAdapter();
-        if (pccId.ipAddress().equals(IpAddress.valueOf(0xC010103))
-            || pccId.ipAddress().equals(IpAddress.valueOf(0xB6024E22))) {
-            pc.setCapability(new ClientCapability(true, false, false));
-        } else {
-            pc.setCapability(new ClientCapability(true, true, true));
-        }
+
         pc.init(PccId.pccId(pccId.ipAddress()), PcepVersion.PCEP_1);
         connectedClients.put(pccId, pc);
         return pc;
@@ -96,6 +93,16 @@ public class PcepClientControllerAdapter implements PcepClientController {
     }
 
     @Override
+    public void addNodeListener(PcepNodeListener listener) {
+        pcepNodeListener.add(listener);
+    }
+
+    @Override
+    public void removeNodeListener(PcepNodeListener listener) {
+        pcepNodeListener.remove(listener);
+    }
+
+    @Override
     public void removeListener(PcepClientListener listener) {
         this.pcepClientListener.remove(listener);
     }
@@ -111,6 +118,16 @@ public class PcepClientControllerAdapter implements PcepClientController {
     }
 
     @Override
+    public void addPacketListener(PcepPacketListener listener) {
+        pcepPacketListener.add(listener);
+    }
+
+    @Override
+    public void removePacketListener(PcepPacketListener listener) {
+        pcepPacketListener.remove(listener);
+    }
+
+    @Override
     public void writeMessage(PccId pccId, PcepMessage msg) {
         this.getClient(pccId).sendMessage(msg);
     }
@@ -254,5 +271,25 @@ public class PcepClientControllerAdapter implements PcepClientController {
         public void processPcepMessage(PccId pccId, PcepMessage m) {
             processClientMessage(pccId, m);
         }
+
+        @Override
+        public void addNode(PcepClient pc) {
+            for (PcepNodeListener l : pcepNodeListener) {
+                l.addNode(pc);
+            }
+        }
+
+        @Override
+        public void deleteNode(PccId pccId) {
+            for (PcepNodeListener l : pcepNodeListener) {
+                l.deleteNode(pccId);
+            }
+        }
+
+        @Override
+        public boolean analyzeSyncMsgList(PccId pccId) {
+            // TODO Auto-generated method stub
+            return false;
+        }
     }
 }

@@ -40,6 +40,7 @@ import org.onosproject.incubator.net.tunnel.IpTunnelEndPoint;
 import org.onosproject.incubator.net.tunnel.Tunnel;
 import org.onosproject.incubator.net.tunnel.TunnelId;
 import org.onosproject.incubator.net.tunnel.TunnelName;
+import org.onosproject.mastership.MastershipServiceAdapter;
 import org.onosproject.net.Annotations;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.DefaultAnnotations;
@@ -49,7 +50,10 @@ import org.onosproject.net.IpElementId;
 import org.onosproject.net.Link;
 import org.onosproject.net.Path;
 import org.onosproject.net.PortNumber;
+import org.onosproject.net.device.DeviceServiceAdapter;
 import org.onosproject.net.provider.ProviderId;
+import org.onosproject.pcep.controller.ClientCapability;
+import org.onosproject.pcep.controller.PccId;
 import org.onosproject.pcepio.types.StatefulIPv4LspIdentifiersTlv;
 
 /**
@@ -64,12 +68,16 @@ public class PcepReleaseTunnelProviderTest {
     private final PcepControllerAdapter ctl = new PcepControllerAdapter();
     private final PcepTunnelApiMapper pcepTunnelAPIMapper = new PcepTunnelApiMapper();
     private final TunnelServiceAdapter  tunnelService = new TunnelServiceAdapter();
+    private final DeviceServiceAdapter  deviceService = new DeviceServiceAdapter();
+    private final MastershipServiceAdapter  mastershipService = new MastershipServiceAdapter();
 
     @Before
     public void setUp() throws IOException {
         tunnelProvider.tunnelProviderRegistry = registry;
         tunnelProvider.pcepClientController = controller;
         tunnelProvider.controller = ctl;
+        tunnelProvider.deviceService = deviceService;
+        tunnelProvider.mastershipService = mastershipService;
         tunnelProvider.tunnelService = tunnelService;
         tunnelProvider.pcepTunnelApiMapper = pcepTunnelAPIMapper;
         tunnelProvider.cfgService = new ComponentConfigAdapter();
@@ -125,6 +133,8 @@ public class PcepReleaseTunnelProviderTest {
         tunnelProvider.pcepTunnelApiMapper.addToTunnelIdMap(pcepTunnelData);
 
         tunnelProvider.pcepTunnelApiMapper.handleCreateTunnelRequestQueue(1, pcepTunnelData);
+        controller.getClient(PccId.pccId(IpAddress.valueOf(0xB6024E20))).setCapability(
+                new ClientCapability(true, true, true, true, true));
 
         tunnelProvider.releaseTunnel(tunnel);
         assertThat(tunnelProvider.pcepTunnelApiMapper, not(nullValue()));
@@ -179,6 +189,8 @@ public class PcepReleaseTunnelProviderTest {
         tunnelProvider.pcepTunnelApiMapper.addToTunnelIdMap(pcepTunnelData);
 
         tunnelProvider.pcepTunnelApiMapper.handleCreateTunnelRequestQueue(1, pcepTunnelData);
+        controller.getClient(PccId.pccId(IpAddress.valueOf(0xB6024E22))).setCapability(
+                new ClientCapability(true, false, false, true, true));
 
         tunnelProvider.releaseTunnel(tunnel);
         assertThat(tunnelProvider.pcepTunnelApiMapper.checkFromTunnelRequestQueue(1), is(false));
@@ -233,6 +245,8 @@ public class PcepReleaseTunnelProviderTest {
         tunnelProvider.pcepTunnelApiMapper.addToTunnelIdMap(pcepTunnelData);
 
         tunnelProvider.pcepTunnelApiMapper.handleCreateTunnelRequestQueue(1, pcepTunnelData);
+        controller.getClient(PccId.pccId(IpAddress.valueOf(0xB6024E20))).setCapability(
+                new ClientCapability(true, true, true, true, true));
 
         tunnelProvider.releaseTunnel(tunnel);
         assertThat(tunnelProvider.pcepTunnelApiMapper, not(nullValue()));
@@ -287,6 +301,8 @@ public class PcepReleaseTunnelProviderTest {
         tunnelProvider.pcepTunnelApiMapper.addToTunnelIdMap(pcepTunnelData);
 
         tunnelProvider.pcepTunnelApiMapper.handleCreateTunnelRequestQueue(1, pcepTunnelData);
+        controller.getClient(PccId.pccId(IpAddress.valueOf(0xB6024E20))).setCapability(
+                new ClientCapability(true, true, true, true, true));
 
         tunnelProvider.releaseTunnel(tunnel);
         assertThat(tunnelProvider.pcepTunnelApiMapper, not(nullValue()));
@@ -298,5 +314,7 @@ public class PcepReleaseTunnelProviderTest {
         tunnelProvider.controller = null;
         tunnelProvider.pcepClientController = null;
         tunnelProvider.tunnelProviderRegistry = null;
+        tunnelProvider.deviceService = null;
+        tunnelProvider.mastershipService = null;
     }
 }

@@ -40,6 +40,7 @@ import org.onosproject.incubator.net.tunnel.IpTunnelEndPoint;
 import org.onosproject.incubator.net.tunnel.Tunnel;
 import org.onosproject.incubator.net.tunnel.TunnelId;
 import org.onosproject.incubator.net.tunnel.TunnelName;
+import org.onosproject.mastership.MastershipServiceAdapter;
 import org.onosproject.net.Annotations;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.DefaultAnnotations;
@@ -49,7 +50,10 @@ import org.onosproject.net.IpElementId;
 import org.onosproject.net.Link;
 import org.onosproject.net.Path;
 import org.onosproject.net.PortNumber;
+import org.onosproject.net.device.DeviceServiceAdapter;
 import org.onosproject.net.provider.ProviderId;
+import org.onosproject.pcep.controller.ClientCapability;
+import org.onosproject.pcep.controller.PccId;
 
 /**
  * Test for PCEP setup tunnel.
@@ -62,12 +66,16 @@ public class PcepSetupTunnelProviderTest {
     private final PcepClientControllerAdapter controller = new PcepClientControllerAdapter();
     private final PcepControllerAdapter ctl = new PcepControllerAdapter();
     private final TunnelServiceAdapter  tunnelService = new TunnelServiceAdapter();
+    private final DeviceServiceAdapter  deviceService = new DeviceServiceAdapter();
+    private final MastershipServiceAdapter  mastershipService = new MastershipServiceAdapter();
 
     @Before
     public void setUp() throws IOException {
         tunnelProvider.tunnelProviderRegistry = registry;
         tunnelProvider.pcepClientController = controller;
         tunnelProvider.controller = ctl;
+        tunnelProvider.deviceService = deviceService;
+        tunnelProvider.mastershipService = mastershipService;
         tunnelProvider.cfgService = new ComponentConfigAdapter();
         tunnelProvider.tunnelService = tunnelService;
         tunnelProvider.activate();
@@ -111,6 +119,8 @@ public class PcepSetupTunnelProviderTest {
         tunnel = new DefaultTunnel(pid, ipTunnelEndPointSrc, ipTunnelEndPointDst, Tunnel.Type.MPLS,
                                    new DefaultGroupId(0), TunnelId.valueOf("1"), TunnelName.tunnelName("T123"),
                                    path, annotations);
+        controller.getClient(PccId.pccId(IpAddress.valueOf(0xC010101))).setCapability(
+                new ClientCapability(true, true, true, true, true));
 
         tunnelProvider.setupTunnel(tunnel, path);
         assertThat(tunnelProvider.pcepTunnelApiMapper, not(nullValue()));
@@ -154,6 +164,8 @@ public class PcepSetupTunnelProviderTest {
         tunnel = new DefaultTunnel(pid, ipTunnelEndPointSrc, ipTunnelEndPointDst, Tunnel.Type.MPLS,
                                    new DefaultGroupId(0), TunnelId.valueOf("1"), TunnelName.tunnelName("T123"),
                                    path, annotations);
+        controller.getClient(PccId.pccId(IpAddress.valueOf(0xC010103))).setCapability(
+                new ClientCapability(true, true, true, true, true));
 
         tunnelProvider.setupTunnel(tunnel, path);
         assertThat(tunnelProvider.pcepTunnelApiMapper.checkFromTunnelRequestQueue(1), is(false));
@@ -197,6 +209,8 @@ public class PcepSetupTunnelProviderTest {
         tunnel = new DefaultTunnel(pid, ipTunnelEndPointSrc, ipTunnelEndPointDst, Tunnel.Type.MPLS,
                                    new DefaultGroupId(0), TunnelId.valueOf("1"), TunnelName.tunnelName("T123"),
                                    path, annotations);
+        controller.getClient(PccId.pccId(IpAddress.valueOf(0xC010101))).setCapability(
+                new ClientCapability(true, true, true, true, true));
 
         tunnelProvider.setupTunnel(tunnel, path);
         assertThat(tunnelProvider.pcepTunnelApiMapper, not(nullValue()));
@@ -240,6 +254,8 @@ public class PcepSetupTunnelProviderTest {
         tunnel = new DefaultTunnel(pid, ipTunnelEndPointSrc, ipTunnelEndPointDst, Tunnel.Type.MPLS,
                                    new DefaultGroupId(0), TunnelId.valueOf("1"), TunnelName.tunnelName("T123"),
                                    path, annotations);
+        controller.getClient(PccId.pccId(IpAddress.valueOf(0xC010101))).setCapability(
+                new ClientCapability(true, true, true, true, true));
 
         tunnelProvider.setupTunnel(tunnel, path);
         assertThat(tunnelProvider.pcepTunnelApiMapper, not(nullValue()));
@@ -251,5 +267,7 @@ public class PcepSetupTunnelProviderTest {
         tunnelProvider.controller = null;
         tunnelProvider.pcepClientController = null;
         tunnelProvider.tunnelProviderRegistry = null;
+        tunnelProvider.deviceService = null;
+        tunnelProvider.mastershipService = null;
     }
 }

@@ -24,27 +24,35 @@ import static org.onosproject.provider.pcep.tunnel.impl.PcepAnnotationKeys.LOCAL
 import static org.onosproject.provider.pcep.tunnel.impl.PcepAnnotationKeys.LSP_SIG_TYPE;
 import static org.onosproject.provider.pcep.tunnel.impl.PcepAnnotationKeys.PCC_TUNNEL_ID;
 import static org.onosproject.provider.pcep.tunnel.impl.PcepAnnotationKeys.PLSP_ID;
+import static org.onosproject.provider.pcep.tunnel.impl.PcepAnnotationKeys.DELEGATE;
 import static org.onosproject.provider.pcep.tunnel.impl.LspType.WITHOUT_SIGNALLING_AND_WITHOUT_SR;
 import static org.onosproject.pcep.controller.PcepSyncStatus.SYNCED;
-import static org.onosproject.pcep.controller.PcepSyncStatus.IN_SYNC;
+import static org.onosproject.net.Device.Type.ROUTER;
+import static org.onosproject.net.MastershipRole.MASTER;
 
 import java.io.IOException;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
 
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.buffer.ChannelBuffers;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
+import org.onlab.packet.ChassisId;
 import org.onlab.packet.IpAddress;
 import org.onosproject.cfg.ComponentConfigAdapter;
 import org.onosproject.core.ApplicationId;
 import org.onosproject.incubator.net.tunnel.DefaultTunnel;
 import org.onosproject.incubator.net.tunnel.IpTunnelEndPoint;
 import org.onosproject.incubator.net.tunnel.Tunnel;
+import org.onosproject.incubator.net.tunnel.Tunnel.Type;
+import org.onosproject.incubator.net.tunnel.TunnelAdminService;
 import org.onosproject.incubator.net.tunnel.TunnelDescription;
 import org.onosproject.incubator.net.tunnel.TunnelEndPoint;
 import org.onosproject.incubator.net.tunnel.TunnelId;
@@ -52,16 +60,26 @@ import org.onosproject.incubator.net.tunnel.TunnelName;
 import org.onosproject.incubator.net.tunnel.TunnelProvider;
 import org.onosproject.incubator.net.tunnel.TunnelProviderService;
 import org.onosproject.incubator.net.tunnel.Tunnel.State;
+import org.onosproject.mastership.MastershipServiceAdapter;
+import org.onosproject.net.AnnotationKeys;
 import org.onosproject.net.DefaultAnnotations;
+import org.onosproject.net.DefaultDevice;
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
 import org.onosproject.net.ElementId;
+import org.onosproject.net.MastershipRole;
 import org.onosproject.net.Path;
 import org.onosproject.net.SparseAnnotations;
+import org.onosproject.net.device.DeviceServiceAdapter;
+import org.onosproject.net.provider.ProviderId;
 import org.onosproject.pcepio.exceptions.PcepOutOfBoundMessageException;
 import org.onosproject.pcepio.exceptions.PcepParseException;
 import org.onosproject.pcepio.protocol.PcepFactories;
 import org.onosproject.pcepio.protocol.PcepMessage;
 import org.onosproject.pcepio.protocol.PcepMessageReader;
+import org.onosproject.pcepio.protocol.PcepVersion;
 import org.onosproject.pcep.controller.ClientCapability;
+import org.onosproject.pcep.controller.LspKey;
 import org.onosproject.pcep.controller.PccId;
 
 import com.google.common.collect.ImmutableSet;
@@ -71,13 +89,73 @@ import com.google.common.collect.ImmutableSet;
  */
 public class PcepTunnelAddedTest {
 
-    static final String PROVIDER_ID = "org.onosproject.provider.tunnel.pcep";
+    public static final String PROVIDER_ID = "org.onosproject.provider.tunnel.pcep";
+    public static final String UNKOWN = "UNKOWN";
     PcepTunnelProvider tunnelProvider = new PcepTunnelProvider();
     private final MockTunnelProviderRegistryAdapter registry = new MockTunnelProviderRegistryAdapter();
     private final PcepClientControllerAdapter controller = new PcepClientControllerAdapter();
     private final PcepControllerAdapter ctl = new PcepControllerAdapter();
     private final PcepTunnelApiMapper pcepTunnelAPIMapper = new PcepTunnelApiMapper();
     private final MockTunnelServiceAdapter tunnelService = new MockTunnelServiceAdapter();
+    public final MockDeviceService deviceService = new MockDeviceService();
+    private final MockMasterShipService masterShipService = new MockMasterShipService();
+    private final MockTunnelAdminService tunnelAdminService = new MockTunnelAdminService();
+
+    private class MockTunnelAdminService implements TunnelAdminService {
+
+        @Override
+        public void removeTunnel(TunnelId tunnelId) {
+            // TODO Auto-generated method stub
+        }
+
+        @Override
+        public void removeTunnels(TunnelEndPoint src, TunnelEndPoint dst, ProviderId producerName) {
+            // TODO Auto-generated method stub
+        }
+
+        @Override
+        public void removeTunnels(TunnelEndPoint src, TunnelEndPoint dst, Type type, ProviderId producerName) {
+            // TODO Auto-generated method stub
+        }
+
+        @Override
+        public void updateTunnel(Tunnel tunnel, Path path) {
+            if (tunnelService.tunnelIdAsKeyStore.containsKey(tunnel.tunnelId())) {
+                tunnelService.tunnelIdAsKeyStore.replace(tunnel.tunnelId(), tunnel);
+            }
+        }
+    }
+
+    private class MockMasterShipService extends MastershipServiceAdapter {
+        boolean set;
+
+        private void setMaster(boolean isMaster) {
+            this.set = isMaster;
+        }
+
+        @Override
+        public MastershipRole getLocalRole(DeviceId deviceId) {
+            return set ? MastershipRole.MASTER : MastershipRole.STANDBY;
+        }
+
+        @Override
+        public boolean isLocalMaster(DeviceId deviceId) {
+            return getLocalRole(deviceId) == MASTER;
+        }
+    }
+
+    private class MockDeviceService extends DeviceServiceAdapter {
+        List<Device> devices = new LinkedList<>();
+
+        private void addDevice(Device dev) {
+            devices.add(dev);
+        }
+
+        @Override
+        public Iterable<Device> getAvailableDevices() {
+            return devices;
+        }
+    }
 
     private class MockTunnelProviderRegistryAdapter extends TunnelProviderRegistryAdapter {
         public long tunnelIdCounter;
@@ -97,12 +175,34 @@ public class PcepTunnelAddedTest {
 
             @Override
             public TunnelId tunnelAdded(TunnelDescription tunnel) {
-                return TunnelId.valueOf(String.valueOf(++tunnelIdCounter));
+                TunnelId id = TunnelId.valueOf(String.valueOf(++tunnelIdCounter));
+                Tunnel storedTunnel = new DefaultTunnel(ProviderId.NONE,
+                        tunnel.src(), tunnel.dst(),
+                        tunnel.type(),
+                        tunnel.groupId(),
+                        id,
+                        tunnel.tunnelName(),
+                        tunnel.path(),
+                        tunnel.resource(),
+                        tunnel.annotations());
+                tunnelService.tunnelIdAsKeyStore.put(id, storedTunnel);
+                return id;
             }
 
             @Override
             public TunnelId tunnelAdded(TunnelDescription tunnel, State state) {
-                return TunnelId.valueOf(String.valueOf(++tunnelIdCounter));
+                TunnelId id = TunnelId.valueOf(String.valueOf(++tunnelIdCounter));
+                Tunnel storedTunnel = new DefaultTunnel(ProviderId.NONE,
+                        tunnel.src(), tunnel.dst(),
+                        tunnel.type(),
+                        tunnel.groupId(),
+                        id,
+                        tunnel.tunnelName(),
+                        tunnel.path(),
+                        tunnel.resource(),
+                        tunnel.annotations());
+                tunnelService.tunnelIdAsKeyStore.put(id, storedTunnel);
+                return id;
             }
 
             @Override
@@ -168,9 +268,12 @@ public class PcepTunnelAddedTest {
         tunnelProvider.tunnelProviderRegistry = registry;
         tunnelProvider.pcepClientController = controller;
         tunnelProvider.controller = ctl;
+        tunnelProvider.deviceService = deviceService;
+        tunnelProvider.mastershipService = masterShipService;
         tunnelProvider.pcepTunnelApiMapper = pcepTunnelAPIMapper;
         tunnelProvider.cfgService = new ComponentConfigAdapter();
         tunnelProvider.tunnelService = tunnelService;
+        tunnelProvider.tunnelAdminService = tunnelAdminService;
         tunnelProvider.service = registry.register(tunnelProvider);
         tunnelProvider.activate();
     }
@@ -210,6 +313,19 @@ public class PcepTunnelAddedTest {
 
         PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
         PcepMessage message = reader.readFrom(buffer);
+
+        DefaultAnnotations.Builder newBuilder = DefaultAnnotations.builder();
+        newBuilder.set(PcepTunnelProvider.LSRID, "1.1.1.1");
+        newBuilder.set(AnnotationKeys.TYPE, "L3");
+        Device device = new DefaultDevice(ProviderId.NONE, DeviceId.deviceId("1.1.1.1"), ROUTER,
+                UNKOWN, UNKOWN, UNKOWN,
+                UNKOWN, new ChassisId(),
+                newBuilder.build());
+
+        deviceService.addDevice(device);
+        controller.getClient(PccId.pccId(IpAddress.valueOf("1.1.1.1"))).setCapability(
+                new ClientCapability(true, true, true, true, true));
+        masterShipService.setMaster(true);
         controller.processClientMessage(PccId.pccId(IpAddress.valueOf("1.1.1.1")), message);
 
         assertThat(registry.tunnelIdCounter, is((long) 1));
@@ -254,14 +370,20 @@ public class PcepTunnelAddedTest {
                 .set(LSP_SIG_TYPE, WITHOUT_SIGNALLING_AND_WITHOUT_SR.name())
                 .set(PCC_TUNNEL_ID, String.valueOf(1))
                 .set(PLSP_ID, String.valueOf(1))
-                .set(LOCAL_LSP_ID, String.valueOf(1)).build();
+                .set(LOCAL_LSP_ID, String.valueOf(1))
+                .set(DELEGATE, String.valueOf("true"))
+                .build();
 
         Tunnel tunnel = new DefaultTunnel(null, tunnelEndPointSrc, tunnelEndPointDst, MPLS, INIT, null, null,
                                           TunnelName.tunnelName("T123"), null, annotations);
         tunnelService.setupTunnel(null, null, tunnel, null);
 
         PccId pccId = PccId.pccId(IpAddress.valueOf(0x4e1f0400));
-        controller.getClient(pccId).setCapability(new ClientCapability(true, true, true));
+        PcepClientAdapter pc = new PcepClientAdapter();
+        pc.init(pccId, PcepVersion.PCEP_1);
+        masterShipService.setMaster(true);
+        controller.getClient(pccId).setLspAndDelegationInfo(new LspKey(1, (short) 1), true);
+        controller.getClient(pccId).setCapability(new ClientCapability(true, true, true, true, true));
         controller.getClient(pccId).setLspDbSyncStatus(SYNCED);
 
         // Process update message.
@@ -281,7 +403,7 @@ public class PcepTunnelAddedTest {
                                        0x00, 0x00, 0x00, 0x00,
                                        0x00, 0x1c, 0x00, 0x04, // PATH-SETUP-TYPE TLV
                                        0x00, 0x00, 0x00, 0x02,
-                                       0x20, 0x10, 0x00, 0x24, 0x00, 0x00, 0x10, 0x19, // LSP object
+                                       0x20, 0x10, 0x00, 0x24, 0x00, 0x00, 0x10, 0x1B, // LSP object
                                        0x00, 0x11, 0x00, 0x02, 0x54, 0x31, 0x00, 0x00, // symbolic path TLV
                                        0x00, 0x12, 0x00, 0x10, // IPv4-LSP-IDENTIFIER-TLV
                                        0x01, 0x01, 0x01, 0x01,
@@ -308,28 +430,43 @@ public class PcepTunnelAddedTest {
         PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
         PcepMessage message = reader.readFrom(buffer);
 
+        DefaultAnnotations.Builder newBuilder = DefaultAnnotations.builder();
+        newBuilder.set(PcepTunnelProvider.LSRID, "1.1.1.1");
+        newBuilder.set(AnnotationKeys.TYPE, "L3");
+        Device device = new DefaultDevice(ProviderId.NONE, DeviceId.deviceId("1.1.1.1"), ROUTER,
+                UNKOWN, UNKOWN, UNKOWN,
+                UNKOWN, new ChassisId(),
+                newBuilder.build());
+
+        deviceService.addDevice(device);
+
         PccId pccId = PccId.pccId(IpAddress.valueOf("1.1.1.1"));
         controller.getClient(pccId).setLspDbSyncStatus(SYNCED);
-        controller.getClient(pccId).setCapability(new ClientCapability(true, true, true));
+        controller.getClient(pccId).setCapability(new ClientCapability(true, true, true, true, true));
+
+        PcepClientAdapter pc = new PcepClientAdapter();
+        pc.init(pccId, PcepVersion.PCEP_1);
+        controller.getClient(pccId).setLspAndDelegationInfo(new LspKey(1, (short) 1), true);
+        masterShipService.setMaster(true);
         controller.processClientMessage(pccId, message);
 
         assertThat(registry.tunnelIdCounter, is((long) 1));
     }
 
     /**
-     * Tests LSPDB sync where PCC reports less LSPs than known by PCE and PCE deletes at the end of DB sync.
+     * Tests PCRpt msg with D flag set and delegated to non-master.
+     *
+     * @throws InterruptedException while waiting for delay
      */
     @Test
-    public void testCaseLspDbSync1() throws PcepParseException, PcepOutOfBoundMessageException {
-        /* Step 1 create 2 LSPs */
-        byte[] reportMsg1 = new byte[] {0x20, 0x0a, 0x00, (byte) 0x84,
-                                       0x21, 0x10, 0x00, 0x14, //SRP object
-                                       0x00, 0x00, 0x00, 0x00,
-                                       0x00, 0x00, 0x00, 0x00,
+    public void tunnelProviderAddedTest4() throws PcepParseException, PcepOutOfBoundMessageException,
+            InterruptedException {
+        byte[] reportMsg = new byte[] {0x20, 0x0a, 0x00, (byte) 0x84,
+                0x21, 0x10, 0x00, 0x14,  0x00, 0x00, 0x00, 0x00,  0x00, 0x00, 0x00, 0x01, //SRP object
                 0x00, 0x1c, 0x00, 0x04, // PATH-SETUP-TYPE TLV
-                                       0x00, 0x00, 0x00, 0x00,
-                                       0x20, 0x10, 0x00, 0x24, 0x00, 0x00, 0x10, 0x19, // LSP object
-                                       0x00, 0x11, 0x00, 0x04, 0x54, 0x31, 0x00, 0x00, // symbolic path TLV
+                0x00, 0x00, 0x00, 0x02,
+                0x20, 0x10, 0x00, 0x24, 0x00, 0x00, 0x10, 0x02, //LSP object
+                0x00, 0x11, 0x00, 0x02, 0x54, 0x31, 0x00, 0x00, //symbolic path tlv
                 0x00, 0x12, 0x00, 0x10, // IPv4-LSP-IDENTIFIER-TLV
                 0x01, 0x01, 0x01, 0x01,
                 0x00, 0x01, 0x00, 0x01,
@@ -349,64 +486,38 @@ public class PcepTunnelAddedTest {
                 0x01, 0x08, 0x05, 0x05, 0x05, 0x05, 0x04, 0x00
                 };
 
-        ChannelBuffer buffer1 = ChannelBuffers.dynamicBuffer();
-        buffer1.writeBytes(reportMsg1);
-
-        PcepMessageReader<PcepMessage> reader1 = PcepFactories.getGenericReader();
-        PcepMessage message1 = reader1.readFrom(buffer1);
-
-        PccId pccId = PccId.pccId(IpAddress.valueOf("1.1.1.1"));
-        controller.getClient(pccId).setCapability(new ClientCapability(true, true, true));
-        controller.processClientMessage(pccId, message1);
-
-        /* create 2nd LSP */
-        byte[] reportMsg2 = new byte[] {0x20, 0x0a, 0x00, (byte) 0x84,
-                                       0x21, 0x10, 0x00, 0x14, //SRP object
-                                       0x00, 0x00, 0x00, 0x00,
-                                       0x00, 0x00, 0x00, 0x00,
-                                       0x00, 0x1c, 0x00, 0x04, // PATH-SETUP-TYPE TLV
-                                       0x00, 0x00, 0x00, 0x00,
-                                       0x20, 0x10, 0x00, 0x24, 0x00, 0x00, 0x20, 0x19, // LSP object
-                                       0x00, 0x11, 0x00, 0x04, 0x54, 0x31, 0x00, 0x00, // symbolic path TLV
-                                       0x00, 0x12, 0x00, 0x10, // IPv4-LSP-IDENTIFIER-TLV
-                                       0x01, 0x01, 0x01, 0x01,
-                                       0x00, 0x02, 0x00, 0x02,
-                                       0x01, 0x01, 0x01, 0x01,
-                                       0x05, 0x05, 0x05, 0x05,
-
-                                       0x07, 0x10, 0x00, 0x14, //ERO object
-                                       0x01, 0x08, (byte) 0x01, 0x01, 0x01, 0x01, 0x04, 0x00, // ERO IPv4 sub objects
-                                       0x01, 0x08, (byte) 0x05, 0x05, 0x05, 0x05, 0x04, 0x00,
-
-                                       0x08, 0x10, 0x00, 0x34, //RRO object
-                                       0x01, 0x08, 0x11, 0x01, 0x01, 0x01, 0x04, 0x00, // RRO IPv4 sub objects
-                                       0x01, 0x08, 0x11, 0x01, 0x01, 0x02, 0x04, 0x00,
-                                       0x01, 0x08, 0x06, 0x06, 0x06, 0x06, 0x04, 0x00,
-                                       0x01, 0x08, 0x12, 0x01, 0x01, 0x02, 0x04, 0x00,
-                                       0x01, 0x08, 0x12, 0x01, 0x01, 0x01, 0x04, 0x00,
-                                       0x01, 0x08, 0x05, 0x05, 0x05, 0x05, 0x04, 0x00
-                                       };
-
-        ChannelBuffer buffer2 = ChannelBuffers.dynamicBuffer();
-        buffer2.writeBytes(reportMsg2);
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(reportMsg);
 
-        PcepMessageReader<PcepMessage> reader2 = PcepFactories.getGenericReader();
-        PcepMessage message2 = reader2.readFrom(buffer2);
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = reader.readFrom(buffer);
 
-        controller.processClientMessage(pccId, message2);
+        //PCC 1.1.1.1, D=0, ONOS as master
+        masterShipService.setMaster(true);
+        DefaultAnnotations.Builder newBuilder = DefaultAnnotations.builder();
+        newBuilder.set(PcepTunnelProvider.LSRID, "1.1.1.1");
+        newBuilder.set(AnnotationKeys.TYPE, "L3");
+        Device device = new DefaultDevice(ProviderId.NONE, DeviceId.deviceId("1.1.1.1"), ROUTER,
+                UNKOWN, UNKOWN, UNKOWN,
+                UNKOWN, new ChassisId(),
+                newBuilder.build());
+
+        deviceService.addDevice(device);
+        controller.getClient(PccId.pccId(IpAddress.valueOf("1.1.1.1"))).setCapability(
+                new ClientCapability(true, true, true, true, true));
+        controller.processClientMessage(PccId.pccId(IpAddress.valueOf("1.1.1.1")), message);
+        assertThat(tunnelService.tunnelIdAsKeyStore.values().iterator().next().annotations().value(DELEGATE),
+                is("false"));
 
-        /* Assert number of LSPs in DB to be 2. */
-        assertThat(registry.tunnelIdCounter, is((long) 2));
+        //PCC 1.1.1.1, D=1, non-master
+        masterShipService.setMaster(false);
 
-        /* Step 2 send sync begin message and LSP 1. */
-        byte[] reportMsg3 = new byte[] {0x20, 0x0a, 0x00, (byte) 0x84,
-                                        0x21, 0x10, 0x00, 0x14, //SRP object
-                                        0x00, 0x00, 0x00, 0x00,
-                                        0x00, 0x00, 0x00, 0x00,
+        reportMsg = new byte[] {0x20, 0x0a, 0x00, (byte) 0x84,
+                0x21, 0x10, 0x00, 0x14,  0x00, 0x00, 0x00, 0x00,  0x00, 0x00, 0x00, 0x01, //SRP object
                 0x00, 0x1c, 0x00, 0x04, // PATH-SETUP-TYPE TLV
-                                        0x00, 0x00, 0x00, 0x00,
-                                        0x20, 0x10, 0x00, 0x24, 0x00, 0x00, 0x10, 0x1B, // LSP object
-                                        0x00, 0x11, 0x00, 0x04, 0x54, 0x31, 0x00, 0x00, // symbolic path TLV
+                0x00, 0x00, 0x00, 0x02,
+                0x20, 0x10, 0x00, 0x24, 0x00, 0x00, 0x10, 0x03, //LSP object
+                0x00, 0x11, 0x00, 0x02, 0x54, 0x31, 0x00, 0x00, //symbolic path tlv
                 0x00, 0x12, 0x00, 0x10, // IPv4-LSP-IDENTIFIER-TLV
                 0x01, 0x01, 0x01, 0x01,
                 0x00, 0x01, 0x00, 0x01,
@@ -426,49 +537,32 @@ public class PcepTunnelAddedTest {
                 0x01, 0x08, 0x05, 0x05, 0x05, 0x05, 0x04, 0x00
                 };
 
-         ChannelBuffer buffer3 = ChannelBuffers.dynamicBuffer();
-         buffer3.writeBytes(reportMsg3);
-         PcepMessageReader<PcepMessage> reader3 = PcepFactories.getGenericReader();
-         PcepMessage message3 = reader3.readFrom(buffer3);
-         controller.processClientMessage(pccId, message3);
-
-         assertThat(controller.getClient(pccId).lspDbSyncStatus(), is(IN_SYNC));
-
-        /* Step 3 send end of sync marker */
-         byte[] reportMsg4 = new byte[] {0x20, 0x0a, 0x00, (byte) 0x24,
-                                         0x20, 0x10, 0x00, 0x1C, // LSP object
-                                         0x00, 0x00, 0x10, 0x19,
-                                         0x00, 0x12, 0x00, 0x10, // IPv4-LSP-IDENTIFIER-TLV
-                                         0x00, 0x00, 0x00, 0x00,
-                                         0x00, 0x00, 0x00, 0x00,
-                                         0x00, 0x00, 0x00, 0x00,
-                                         0x00, 0x00, 0x00, 0x00,
-                                         0x07, 0x10, 0x00, 0x04, //ERO object
-                                         };
+        buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(reportMsg);
 
-          ChannelBuffer buffer4 = ChannelBuffers.dynamicBuffer();
-          buffer4.writeBytes(reportMsg4);
-          PcepMessageReader<PcepMessage> reader4 = PcepFactories.getGenericReader();
-          PcepMessage message4 = reader4.readFrom(buffer4);
-          controller.processClientMessage(pccId, message4);
+        reader = PcepFactories.getGenericReader();
+        message = reader.readFrom(buffer);
 
-        assertThat(controller.getClient(pccId).lspDbSyncStatus(), is(SYNCED));
+        controller.processClientMessage(PccId.pccId(IpAddress.valueOf("1.1.1.1")), message);
+        TimeUnit.MILLISECONDS.sleep(4000);
+        assertThat(registry.tunnelIdCounter, is((long) 1));
+        assertThat(tunnelService.tunnelIdAsKeyStore.values().iterator().next().annotations().value(DELEGATE),
+                is("true"));
     }
 
     /**
-     * Tests PCC PCRpt PCE initiated LSP which PCE doesn't know and hence should send PCInit delete msg.
+     * Tests adding PCC Init LSP after LSP DB sync is over.
      */
     @Test
-    public void testCaseLspDbSync2() throws PcepParseException, PcepOutOfBoundMessageException {
-        /* Step 1 create 2 LSPs */
-        byte[] reportMsg1 = new byte[] {0x20, 0x0a, 0x00, (byte) 0x84,
+    public void tunnelProviderAddedTest5() throws PcepParseException, PcepOutOfBoundMessageException {
+        byte[] reportMsg = new byte[] {0x20, 0x0a, 0x00, (byte) 0x84,
                                        0x21, 0x10, 0x00, 0x14, //SRP object
                                        0x00, 0x00, 0x00, 0x00,
                                        0x00, 0x00, 0x00, 0x00,
                                        0x00, 0x1c, 0x00, 0x04, // PATH-SETUP-TYPE TLV
-                                       0x00, 0x00, 0x00, 0x00,
+                                       0x00, 0x00, 0x00, 0x02,
                                        0x20, 0x10, 0x00, 0x24, 0x00, 0x00, 0x10, 0x19, // LSP object
-                                       0x00, 0x11, 0x00, 0x04, 0x54, 0x31, 0x00, 0x00, // symbolic path TLV
+                                       0x00, 0x11, 0x00, 0x02, 0x54, 0x31, 0x00, 0x00, // symbolic path TLV
                                        0x00, 0x12, 0x00, 0x10, // IPv4-LSP-IDENTIFIER-TLV
                                        0x01, 0x01, 0x01, 0x01,
                                        0x00, 0x01, 0x00, 0x01,
@@ -488,110 +582,33 @@ public class PcepTunnelAddedTest {
                                        0x01, 0x08, 0x05, 0x05, 0x05, 0x05, 0x04, 0x00
                                        };
 
-        ChannelBuffer buffer1 = ChannelBuffers.dynamicBuffer();
-        buffer1.writeBytes(reportMsg1);
-
-        PcepMessageReader<PcepMessage> reader1 = PcepFactories.getGenericReader();
-        PcepMessage message1 = reader1.readFrom(buffer1);
-
-        PccId pccId = PccId.pccId(IpAddress.valueOf("1.1.1.1"));
-        controller.getClient(pccId).setCapability(new ClientCapability(true, true, true));
-        controller.processClientMessage(pccId, message1);
-
-        /* create 2nd LSP */
-        byte[] reportMsg2 = new byte[] {0x20, 0x0a, 0x00, (byte) 0x84,
-                                       0x21, 0x10, 0x00, 0x14, //SRP object
-                                       0x00, 0x00, 0x00, 0x00,
-                                       0x00, 0x00, 0x00, 0x00,
-                                       0x00, 0x1c, 0x00, 0x04, // PATH-SETUP-TYPE TLV
-                                       0x00, 0x00, 0x00, 0x00,
-                                       0x20, 0x10, 0x00, 0x24, 0x00, 0x00, 0x20, 0x19, // LSP object
-                                       0x00, 0x11, 0x00, 0x04, 0x54, 0x31, 0x00, 0x00, // symbolic path TLV
-                                       0x00, 0x12, 0x00, 0x10, // IPv4-LSP-IDENTIFIER-TLV
-                                       0x01, 0x01, 0x01, 0x01,
-                                       0x00, 0x02, 0x00, 0x02,
-                                       0x01, 0x01, 0x01, 0x01,
-                                       0x05, 0x05, 0x05, 0x05,
-
-                                       0x07, 0x10, 0x00, 0x14, //ERO object
-                                       0x01, 0x08, (byte) 0x01, 0x01, 0x01, 0x01, 0x04, 0x00, // ERO IPv4 sub objects
-                                       0x01, 0x08, (byte) 0x05, 0x05, 0x05, 0x05, 0x04, 0x00,
-
-                                       0x08, 0x10, 0x00, 0x34, //RRO object
-                                       0x01, 0x08, 0x11, 0x01, 0x01, 0x01, 0x04, 0x00, // RRO IPv4 sub objects
-                                       0x01, 0x08, 0x11, 0x01, 0x01, 0x02, 0x04, 0x00,
-                                       0x01, 0x08, 0x06, 0x06, 0x06, 0x06, 0x04, 0x00,
-                                       0x01, 0x08, 0x12, 0x01, 0x01, 0x02, 0x04, 0x00,
-                                       0x01, 0x08, 0x12, 0x01, 0x01, 0x01, 0x04, 0x00,
-                                       0x01, 0x08, 0x05, 0x05, 0x05, 0x05, 0x04, 0x00
-                                       };
-
-        ChannelBuffer buffer2 = ChannelBuffers.dynamicBuffer();
-        buffer2.writeBytes(reportMsg2);
-
-        PcepMessageReader<PcepMessage> reader2 = PcepFactories.getGenericReader();
-        PcepMessage message2 = reader2.readFrom(buffer2);
-
-        controller.processClientMessage(pccId, message2);
-
-        /* Assert number of LSPs in DB to be 2. */
-        assertThat(registry.tunnelIdCounter, is((long) 2));
-
-        /* Step 2 send sync begin message and LSP 1. */
-        byte[] reportMsg3 = new byte[] {0x20, 0x0a, 0x00, (byte) 0x84,
-                                        0x21, 0x10, 0x00, 0x14, //SRP object
-                                        0x00, 0x00, 0x00, 0x00,
-                                        0x00, 0x00, 0x00, 0x00,
-                                        0x00, 0x1c, 0x00, 0x04, // PATH-SETUP-TYPE TLV
-                                        0x00, 0x00, 0x00, 0x00,
-                                        0x20, 0x10, 0x00, 0x24, 0x00, 0x00, 0x10, (byte) 0x9B, // LSP object
-                                        0x00, 0x11, 0x00, 0x04, 0x54, 0x31, 0x00, 0x00, // symbolic path TLV
-                                        0x00, 0x12, 0x00, 0x10, // IPv4-LSP-IDENTIFIER-TLV
-                                        0x01, 0x01, 0x01, 0x01,
-                                        0x00, 0x01, 0x00, 0x03,
-                                        0x01, 0x01, 0x01, 0x01,
-                                        0x05, 0x05, 0x05, 0x05,
-
-                                        0x07, 0x10, 0x00, 0x14, //ERO object
-                                        0x01, 0x08, (byte) 0x01, 0x01, 0x01, 0x01, 0x04, 0x00, // ERO IPv4 sub objects
-                                        0x01, 0x08, (byte) 0x05, 0x05, 0x05, 0x05, 0x04, 0x00,
+        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+        buffer.writeBytes(reportMsg);
 
-                                        0x08, 0x10, 0x00, 0x34, //RRO object
-                                        0x01, 0x08, 0x11, 0x01, 0x01, 0x01, 0x04, 0x00, // RRO IPv4 sub objects
-                                        0x01, 0x08, 0x11, 0x01, 0x01, 0x02, 0x04, 0x00,
-                                        0x01, 0x08, 0x06, 0x06, 0x06, 0x06, 0x04, 0x00,
-                                        0x01, 0x08, 0x12, 0x01, 0x01, 0x02, 0x04, 0x00,
-                                        0x01, 0x08, 0x12, 0x01, 0x01, 0x01, 0x04, 0x00,
-                                        0x01, 0x08, 0x05, 0x05, 0x05, 0x05, 0x04, 0x00
-                                        };
+        PcepMessageReader<PcepMessage> reader = PcepFactories.getGenericReader();
+        PcepMessage message = reader.readFrom(buffer);
 
-        ChannelBuffer buffer3 = ChannelBuffers.dynamicBuffer();
-        buffer3.writeBytes(reportMsg3);
-        PcepMessageReader<PcepMessage> reader3 = PcepFactories.getGenericReader();
-        PcepMessage message3 = reader3.readFrom(buffer3);
-        controller.processClientMessage(pccId, message3);
+        DefaultAnnotations.Builder newBuilder = DefaultAnnotations.builder();
+        newBuilder.set(PcepTunnelProvider.LSRID, "1.1.1.1");
+        newBuilder.set(AnnotationKeys.TYPE, "L3");
+        Device device = new DefaultDevice(ProviderId.NONE, DeviceId.deviceId("1.1.1.1"), ROUTER,
+                UNKOWN, UNKOWN, UNKOWN,
+                UNKOWN, new ChassisId(),
+                newBuilder.build());
 
-        assertThat(controller.getClient(pccId).lspDbSyncStatus(), is(IN_SYNC));
+        deviceService.addDevice(device);
 
-        /* Step 3 send end of sync marker */
-        byte[] reportMsg4 = new byte[] {0x20, 0x0a, 0x00, (byte) 0x24,
-                                       0x20, 0x10, 0x00, 0x1C, // LSP object
-                                       0x00, 0x00, 0x10, 0x19,
-                                       0x00, 0x12, 0x00, 0x10, // IPv4-LSP-IDENTIFIER-TLV
-                                       0x00, 0x00, 0x00, 0x00,
-                                       0x00, 0x00, 0x00, 0x00,
-                                       0x00, 0x00, 0x00, 0x00,
-                                       0x00, 0x00, 0x00, 0x00,
-                                       0x07, 0x10, 0x00, 0x04, //ERO object
-                                       };
+        PccId pccId = PccId.pccId(IpAddress.valueOf("1.1.1.1"));
+        controller.getClient(pccId).setLspDbSyncStatus(SYNCED);
+        controller.getClient(pccId).setCapability(new ClientCapability(true, true, true, true, true));
 
-        ChannelBuffer buffer4 = ChannelBuffers.dynamicBuffer();
-        buffer4.writeBytes(reportMsg4);
-        PcepMessageReader<PcepMessage> reader4 = PcepFactories.getGenericReader();
-        PcepMessage message4 = reader4.readFrom(buffer4);
-        controller.processClientMessage(pccId, message4);
+        PcepClientAdapter pc = new PcepClientAdapter();
+        pc.init(pccId, PcepVersion.PCEP_1);
+        controller.getClient(pccId).setLspAndDelegationInfo(new LspKey(1, (short) 1), true);
+        masterShipService.setMaster(true);
+        controller.processClientMessage(pccId, message);
 
-        assertThat(controller.getClient(pccId).lspDbSyncStatus(), is(SYNCED));
+        assertThat(registry.tunnelIdCounter, is((long) 0));
     }
 
     @After
@@ -604,6 +621,9 @@ public class PcepTunnelAddedTest {
         tunnelProvider.pcepTunnelApiMapper = null;
         tunnelProvider.cfgService = null;
         tunnelProvider.tunnelService = null;
+        tunnelProvider.tunnelAdminService = null;
+        tunnelProvider.deviceService = null;
+        tunnelProvider.mastershipService = null;
         tunnelProvider.service = null;
     }
 }

@@ -35,6 +35,7 @@ import org.onosproject.incubator.net.tunnel.IpTunnelEndPoint;
 import org.onosproject.incubator.net.tunnel.Tunnel;
 import org.onosproject.incubator.net.tunnel.TunnelId;
 import org.onosproject.incubator.net.tunnel.TunnelName;
+import org.onosproject.mastership.MastershipServiceAdapter;
 import org.onosproject.net.Annotations;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.DefaultAnnotations;
@@ -44,7 +45,10 @@ import org.onosproject.net.IpElementId;
 import org.onosproject.net.Link;
 import org.onosproject.net.Path;
 import org.onosproject.net.PortNumber;
+import org.onosproject.net.device.DeviceServiceAdapter;
 import org.onosproject.net.provider.ProviderId;
+import org.onosproject.pcep.controller.ClientCapability;
+import org.onosproject.pcep.controller.PccId;
 import org.onosproject.cfg.ComponentConfigAdapter;
 
 public class PcepTunnelProviderTest {
@@ -55,6 +59,8 @@ public class PcepTunnelProviderTest {
     private final PcepClientControllerAdapter controller = new PcepClientControllerAdapter();
     private final PcepControllerAdapter ctl = new PcepControllerAdapter();
     private final TunnelServiceAdapter  tunnelService = new TunnelServiceAdapter();
+    private final DeviceServiceAdapter  deviceService = new DeviceServiceAdapter();
+    private final MastershipServiceAdapter  mastershipService = new MastershipServiceAdapter();
 
     @Test
     public void testCasePcepSetupTunnel() {
@@ -62,6 +68,8 @@ public class PcepTunnelProviderTest {
         tunnelProvider.tunnelProviderRegistry = registry;
         tunnelProvider.pcepClientController = controller;
         tunnelProvider.controller = ctl;
+        tunnelProvider.deviceService = deviceService;
+        tunnelProvider.mastershipService = mastershipService;
         tunnelProvider.cfgService = new ComponentConfigAdapter();
         tunnelProvider.tunnelService = tunnelService;
         tunnelProvider.activate();
@@ -99,6 +107,8 @@ public class PcepTunnelProviderTest {
         tunnel = new DefaultTunnel(pid, ipTunnelEndPointSrc, ipTunnelEndPointDst, Tunnel.Type.MPLS,
                                    new DefaultGroupId(0), TunnelId.valueOf("1"), TunnelName.tunnelName("T123"),
                                    path, annotations);
+        controller.getClient(PccId.pccId(IpAddress.valueOf(0xC010101))).setCapability(
+                new ClientCapability(true, true, true, true, true));
 
         tunnelProvider.setupTunnel(tunnel, path);
 
@@ -109,6 +119,8 @@ public class PcepTunnelProviderTest {
     public void tearDown() throws IOException {
         tunnelProvider.deactivate();
         tunnelProvider.controller = null;
+        tunnelProvider.deviceService = null;
+        tunnelProvider.mastershipService = null;
         tunnelProvider.pcepClientController = null;
         tunnelProvider.tunnelProviderRegistry = null;
     }

@@ -47,6 +47,10 @@ import org.onosproject.net.Link;
 import org.onosproject.net.Path;
 import org.onosproject.net.PortNumber;
 import org.onosproject.net.provider.ProviderId;
+import org.onosproject.pcep.controller.ClientCapability;
+import org.onosproject.pcep.controller.LspKey;
+import org.onosproject.pcep.controller.PccId;
+import org.onosproject.pcepio.protocol.PcepVersion;
 import org.onosproject.pcepio.types.StatefulIPv4LspIdentifiersTlv;
 
 import static org.onosproject.provider.pcep.tunnel.impl.LspType.WITH_SIGNALLING;
@@ -99,7 +103,7 @@ public class PcepUpdateTunnelProviderTest {
 
         ConnectPoint src = new ConnectPoint(srcElementId, PortNumber.portNumber(10023));
 
-        ConnectPoint dst = new ConnectPoint(dstElementId, PortNumber.portNumber(10023));
+        ConnectPoint dst = new ConnectPoint(dstElementId, PortNumber.portNumber(10024));
 
         Link link = DefaultLink.builder().providerId(pid).src(src).dst(dst)
                 .type(Link.Type.DIRECT).build();
@@ -108,6 +112,8 @@ public class PcepUpdateTunnelProviderTest {
         path = new DefaultPath(pid, links, 20, EMPTY);
 
         Annotations annotations = DefaultAnnotations.builder()
+                .set(PcepAnnotationKeys.PLSP_ID, "1")
+                .set(PcepAnnotationKeys.LOCAL_LSP_ID, "1")
                 .set(LSP_SIG_TYPE, WITH_SIGNALLING.name())
                 .build();
 
@@ -124,6 +130,12 @@ public class PcepUpdateTunnelProviderTest {
 
         tunnelProvider.pcepTunnelApiMapper.handleCreateTunnelRequestQueue(1, pcepTunnelData);
 
+        PccId pccId = PccId.pccId(IpAddress.valueOf(0xD010101));
+        PcepClientAdapter pc = new PcepClientAdapter();
+        pc.init(pccId, PcepVersion.PCEP_1);
+        controller.getClient(pccId).setLspAndDelegationInfo(new LspKey(1, (short) 1), true);
+        controller.getClient(pccId).setCapability(new ClientCapability(true, true, true, true, true));
+
         tunnelProvider.updateTunnel(tunnel, path);
         assertThat(tunnelProvider.pcepTunnelApiMapper, not(nullValue()));
     }
@@ -137,7 +149,7 @@ public class PcepUpdateTunnelProviderTest {
         Path path;
         ProviderId pid = new ProviderId("pcep", PROVIDER_ID);
         List<Link> links = new ArrayList<>();
-        IpAddress srcIp = IpAddress.valueOf(0xC010103);
+        IpAddress srcIp = IpAddress.valueOf(0xD010101);
         IpElementId srcElementId = IpElementId.ipElement(srcIp);
 
         IpAddress dstIp = IpAddress.valueOf(0xD010102);
@@ -151,7 +163,7 @@ public class PcepUpdateTunnelProviderTest {
 
         ConnectPoint src = new ConnectPoint(srcElementId, PortNumber.portNumber(10023));
 
-        ConnectPoint dst = new ConnectPoint(dstElementId, PortNumber.portNumber(10023));
+        ConnectPoint dst = new ConnectPoint(dstElementId, PortNumber.portNumber(10024));
 
         Link link = DefaultLink.builder().providerId(pid).src(src).dst(dst)
                 .type(Link.Type.DIRECT).build();
@@ -161,6 +173,8 @@ public class PcepUpdateTunnelProviderTest {
 
         Annotations annotations = DefaultAnnotations.builder()
                 .set(LSP_SIG_TYPE, WITH_SIGNALLING.name())
+                .set(PcepAnnotationKeys.PLSP_ID, "1")
+                .set(PcepAnnotationKeys.LOCAL_LSP_ID, "1")
                 .build();
 
         tunnel = new DefaultTunnel(pid, ipTunnelEndPointSrc, ipTunnelEndPointDst, Tunnel.Type.MPLS,
@@ -176,6 +190,12 @@ public class PcepUpdateTunnelProviderTest {
 
         tunnelProvider.pcepTunnelApiMapper.handleCreateTunnelRequestQueue(1, pcepTunnelData);
 
+        PccId pccId = PccId.pccId(IpAddress.valueOf(0xD010101));
+        PcepClientAdapter pc = new PcepClientAdapter();
+        pc.init(pccId, PcepVersion.PCEP_1);
+        controller.getClient(pccId).setLspAndDelegationInfo(new LspKey(1, (short) 1), true);
+        controller.getClient(pccId).setCapability(new ClientCapability(true, true, true, true, true));
+
         tunnelProvider.updateTunnel(tunnel, path);
         assertThat(tunnelProvider.pcepTunnelApiMapper.checkFromTunnelRequestQueue(1), is(false));
     }
@@ -203,7 +223,7 @@ public class PcepUpdateTunnelProviderTest {
 
         ConnectPoint src = new ConnectPoint(srcElementId, PortNumber.portNumber(10023));
 
-        ConnectPoint dst = new ConnectPoint(dstElementId, PortNumber.portNumber(10023));
+        ConnectPoint dst = new ConnectPoint(dstElementId, PortNumber.portNumber(10024));
 
         Link link = DefaultLink.builder().providerId(pid).src(src).dst(dst)
                 .type(Link.Type.DIRECT).build();
@@ -213,6 +233,8 @@ public class PcepUpdateTunnelProviderTest {
 
         Annotations annotations = DefaultAnnotations.builder()
                 .set(LSP_SIG_TYPE, SR_WITHOUT_SIGNALLING.name())
+                .set(PcepAnnotationKeys.PLSP_ID, "1")
+                .set(PcepAnnotationKeys.LOCAL_LSP_ID, "1")
                 .build();
 
         tunnel = new DefaultTunnel(pid, ipTunnelEndPointSrc, ipTunnelEndPointDst, Tunnel.Type.MPLS,
@@ -228,6 +250,12 @@ public class PcepUpdateTunnelProviderTest {
 
         tunnelProvider.pcepTunnelApiMapper.handleCreateTunnelRequestQueue(1, pcepTunnelData);
 
+        PccId pccId = PccId.pccId(IpAddress.valueOf(0xD010101));
+        PcepClientAdapter pc = new PcepClientAdapter();
+        pc.init(pccId, PcepVersion.PCEP_1);
+        controller.getClient(pccId).setLspAndDelegationInfo(new LspKey(1, (short) 1), true);
+        controller.getClient(pccId).setCapability(new ClientCapability(true, true, true, true, true));
+
         tunnelProvider.updateTunnel(tunnel, path);
         assertThat(tunnelProvider.pcepTunnelApiMapper, not(nullValue()));
     }
@@ -255,7 +283,7 @@ public class PcepUpdateTunnelProviderTest {
 
         ConnectPoint src = new ConnectPoint(srcElementId, PortNumber.portNumber(10023));
 
-        ConnectPoint dst = new ConnectPoint(dstElementId, PortNumber.portNumber(10023));
+        ConnectPoint dst = new ConnectPoint(dstElementId, PortNumber.portNumber(10024));
 
         Link link = DefaultLink.builder().providerId(pid).src(src).dst(dst)
                 .type(Link.Type.DIRECT).build();
@@ -265,6 +293,8 @@ public class PcepUpdateTunnelProviderTest {
 
         Annotations annotations = DefaultAnnotations.builder()
                 .set(LSP_SIG_TYPE, WITHOUT_SIGNALLING_AND_WITHOUT_SR.name())
+                .set(PcepAnnotationKeys.PLSP_ID, "1")
+                .set(PcepAnnotationKeys.LOCAL_LSP_ID, "1")
                 .build();
 
         tunnel = new DefaultTunnel(pid, ipTunnelEndPointSrc, ipTunnelEndPointDst, Tunnel.Type.MPLS,
@@ -280,6 +310,12 @@ public class PcepUpdateTunnelProviderTest {
 
         tunnelProvider.pcepTunnelApiMapper.handleCreateTunnelRequestQueue(1, pcepTunnelData);
 
+        PccId pccId = PccId.pccId(IpAddress.valueOf(0xD010101));
+        PcepClientAdapter pc = new PcepClientAdapter();
+        pc.init(pccId, PcepVersion.PCEP_1);
+        controller.getClient(pccId).setLspAndDelegationInfo(new LspKey(1, (short) 1), true);
+        controller.getClient(pccId).setCapability(new ClientCapability(true, true, true, true, true));
+
         tunnelProvider.updateTunnel(tunnel, path);
         assertThat(tunnelProvider.pcepTunnelApiMapper, not(nullValue()));
     }