diff --git a/src/main/java/org/onosproject/segmentrouting/SegmentRoutingService.java b/src/main/java/org/onosproject/segmentrouting/SegmentRoutingService.java
index 3668ba2..4ef6079 100644
--- a/src/main/java/org/onosproject/segmentrouting/SegmentRoutingService.java
+++ b/src/main/java/org/onosproject/segmentrouting/SegmentRoutingService.java
@@ -18,6 +18,9 @@
 import org.onlab.packet.IpPrefix;
 import org.onosproject.net.DeviceId;
 import org.onosproject.segmentrouting.grouphandler.NextNeighbors;
+import org.onosproject.segmentrouting.pwaas.DefaultL2Tunnel;
+import org.onosproject.segmentrouting.pwaas.DefaultL2TunnelPolicy;
+import org.onosproject.segmentrouting.pwaas.L2TunnelHandler;
 import org.onosproject.segmentrouting.storekey.DestinationSetNextObjectiveStoreKey;
 
 import com.google.common.collect.ImmutableMap;
@@ -79,6 +82,49 @@
     List<Policy> getPolicies();
 
     /**
+     * Returns all l2 tunnels of pseudowires.
+     *
+     * @return list of l2 tunnels
+     */
+    List<DefaultL2Tunnel> getL2Tunnels();
+
+    /**
+     * Returns all l2 policie of pseudowires.
+     *
+     * @return list of l2 policies.
+     */
+    List<DefaultL2TunnelPolicy> getL2Policies();
+
+    /**
+     * Removes pw. Essentially updates configuration for PwaasConfig
+     * and sends event for removal. The rest are handled by L2TunnelHandler
+     *
+     * @param pwId The pseudowire id
+     * @return SUCCESS if operation successful or a descriptive error otherwise.
+     */
+    L2TunnelHandler.Result removePseudowire(String pwId);
+
+    /**
+     * Adds a Pseudowire to the configuration.
+     *
+     * @param tunnelId The pseudowire id
+     * @param pwLabel Pw label
+     * @param cP1 Connection Point 1 of pw
+     * @param cP1InnerVlan Outer vlan of cp2
+     * @param cP1OuterVlan Outer vlan of cp1
+     * @param cP2 Connection Point 2 of pw
+     * @param cP2InnerVlan Inner vlan of cp2
+     * @param cP2OuterVlan Outer vlan of cp1
+     * @param mode Mode of pw
+     * @param sdTag Service Delimiting tag of pw
+     * @return SUCCESS if operation is successful or a descriptive error otherwise.
+     */
+    L2TunnelHandler.Result addPseudowire(String tunnelId, String pwLabel, String cP1,
+                                         String cP1InnerVlan, String cP1OuterVlan, String cP2,
+                                         String cP2InnerVlan, String cP2OuterVlan,
+                                         String mode, String sdTag);
+
+    /**
      * Creates a policy.
      *
      * @param policy policy reference to create