code: @Override
  	public InvocationResponse executeService(InvocationRequest request) {
  		Utils.logCall(TAG, "executeService");
  		try {
  			return SPF.get().getServiceRegistry().dispatchInvocation(request);
  		} catch (Throwable t) {
  			return InvocationResponse.error("remote exception : " + t.toString());
  		}
  	}
docs: /*
  (non-Javadoc)
  
  @see
  it.polimi.spf.framework.proximity.ProximityResponder#executeService
  (it.polimi.spf.framework.local.InvocationRequest)