Starting to add membership management messages.
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/cluster/messaging/NewMemberMessage.java b/core/store/dist/src/main/java/org/onlab/onos/store/cluster/messaging/NewMemberMessage.java
new file mode 100644
index 0000000..53bc282
--- /dev/null
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/cluster/messaging/NewMemberMessage.java
@@ -0,0 +1,26 @@
+package org.onlab.onos.store.cluster.messaging;
+
+import org.onlab.onos.cluster.NodeId;
+import org.onlab.packet.IpPrefix;
+
+/**
+ * Announcement message that nodes use to gossip about new arrivals.
+ */
+public class NewMemberMessage extends ClusterMembershipMessage {
+
+ // For serialization
+ private NewMemberMessage() {
+ }
+
+ /**
+ * Creates a new gossip message for the specified end-point data.
+ *
+ * @param nodeId sending node identification
+ * @param ipAddress sending node IP address
+ * @param tcpPort sending node TCP port
+ */
+ public NewMemberMessage(NodeId nodeId, IpPrefix ipAddress, int tcpPort) {
+ super(MessageSubject.NEW_MEMBER, nodeId, ipAddress, tcpPort);
+ }
+
+}