public void listenUDP(EndPoint localEp) {
   UdpConnection connection = new UdpConnection();
   logger_.debug("Starting to listen on " + localEp);
   try {
     connection.init(localEp.getPort());
     endPoints_.add(localEp);
   } catch (IOException e) {
     logger_.warn(LogUtil.throwableToString(e));
   }
 }