process.setDeserializer(new PassThroughDeserializer());
CommEventCallback callbackHandler = new CommEventCallback() {
@Override
public void handleCallback(Map<String, Object> event) {
if (event != null) {
CommLayerState state = (CommLayerState) event.get("state");
if (state != null) {
if (state == CommLayerState.INITIALIZED) {
logger.info("Communication layer initialized: source:"
+ event.get("source"));
} else if (state == CommLayerState.BROKEN) {