public void terminate() {
        if( started ) {
            stop();
        }
        for( Service<T> s : services ) {
            s.terminate(getParent());
        }               
    }
Terminates all services.  If the service manager has not been
 stopped yet, then it will be stopped.
jme3-networking/src/main/java/com/jme3/network/service/ServiceManager.java