Starting to add membership management messages.
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/cluster/messaging/LeavingMemberMessage.java b/core/store/dist/src/main/java/org/onlab/onos/store/cluster/messaging/LeavingMemberMessage.java
new file mode 100644
index 0000000..59686b8
--- /dev/null
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/cluster/messaging/LeavingMemberMessage.java
@@ -0,0 +1,24 @@
+package org.onlab.onos.store.cluster.messaging;
+
+import org.onlab.onos.cluster.NodeId;
+
+/**
+ * Announcement message that nodes use to gossip about team departures.
+ */
+public class LeavingMemberMessage extends ClusterMembershipMessage {
+
+ // For serialization
+ private LeavingMemberMessage() {
+ super();
+ }
+
+ /**
+ * Creates a new goodbye message.
+ *
+ * @param nodeId sending node identification
+ */
+ public LeavingMemberMessage(NodeId nodeId) {
+ super(MessageSubject.LEAVING_MEMBER, nodeId, null, 0);
+ }
+
+}