@Override
    public boolean isConnected()
    {
        // The socket is always unconnected anyway, so we track our
        // own logical state for the kernel's benefit.
        return connected;
    }
Endpoint implementation that encapsulates the
 UDP connection information for return messaging,
 identification of envelope sources, etc.

 @version   $Revision$
 @author    Paul Speed
jme3-networking/src/main/java/com/jme3/network/kernel/udp/UdpEndpoint.java