diff --git a/apps/pce/app/src/main/java/org/onosproject/pce/pcestore/DistributedPceStore.java b/apps/pce/app/src/main/java/org/onosproject/pce/pcestore/DistributedPceStore.java
index 6afdb30..0cda281 100644
--- a/apps/pce/app/src/main/java/org/onosproject/pce/pcestore/DistributedPceStore.java
+++ b/apps/pce/app/src/main/java/org/onosproject/pce/pcestore/DistributedPceStore.java
@@ -19,6 +19,8 @@
 
 import com.google.common.collect.ImmutableSet;
 
+import java.util.HashMap;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.stream.Collectors;
@@ -89,6 +91,13 @@
     // List of Failed path info
     private DistributedSet<PcePathInfo> failedPathSet;
 
+    // Locally maintain LSRID to device id mapping for better performance.
+    private Map<String, DeviceId> lsrIdDeviceIdMap = new HashMap<>();
+
+    // List of PCC LSR ids whose BGP device information was not available to perform
+    // label db sync.
+    private HashSet<DeviceId> pendinglabelDbSyncPccMap = new HashSet();
+
     @Activate
     protected void activate() {
         globalNodeLabelMap = storageService.<DeviceId, LabelResourceId>consistentMapBuilder()
@@ -341,4 +350,50 @@
         }
         return true;
     }
+
+    @Override
+    public boolean addLsrIdDevice(String lsrId, DeviceId deviceId) {
+        checkNotNull(lsrId);
+        checkNotNull(deviceId);
+
+        lsrIdDeviceIdMap.put(lsrId, deviceId);
+        return true;
+    }
+
+    @Override
+    public boolean removeLsrIdDevice(String lsrId) {
+        checkNotNull(lsrId);
+
+        lsrIdDeviceIdMap.remove(lsrId);
+        return true;
+    }
+
+    @Override
+    public DeviceId getLsrIdDevice(String lsrId) {
+        checkNotNull(lsrId);
+
+        return lsrIdDeviceIdMap.get(lsrId);
+
+    }
+
+    @Override
+    public boolean addPccLsr(DeviceId lsrId) {
+        checkNotNull(lsrId);
+        pendinglabelDbSyncPccMap.add(lsrId);
+        return true;
+    }
+
+    @Override
+    public boolean removePccLsr(DeviceId lsrId) {
+        checkNotNull(lsrId);
+        pendinglabelDbSyncPccMap.remove(lsrId);
+        return true;
+    }
+
+    @Override
+    public boolean hasPccLsr(DeviceId lsrId) {
+        checkNotNull(lsrId);
+        return pendinglabelDbSyncPccMap.contains(lsrId);
+
+    }
 }