anchor.diff:  	    
   	    { send_now, NetworkAddress, TmpSt } ->
   		?debug("schedule:sched_msg(): Servivce is already available. Send now."),
  -		{ok, TmpSt} = send_message(NetworkAddress, Target, Timeout, 
  -					   Parameters, Signature, Certificate),
  +		ok = send_message(NetworkAddress, Target, Timeout, 
  +				  Parameters, Signature, Certificate),
   		TmpSt;
   	    { ok, TmpSt } ->
   		?debug("schedule:sched_msg(): Message queued."),
  
positive.code:     ?debug("schedule:data_link_down(): NetworkAddress: ~p DiscontinuedServices: ~p",
  	      [_NetworkAddress, DiscontinuedServices]),
  
      multiple_services_unavailable(DiscontinuedServices, St),
      {noreply, St };
  
  handle_cast(_Msg, St) ->
      {noreply, St}.
  
negative.code: 
  				  
  	%% Service exists, and has a network address. Do not queue. Send now.
  	{available, #service { network_address = NetworkAddress } = Svc }->  
  	    ?debug("schedule:sched_msg(): SEND NOW: ~p", [Svc]),
  	    ?debug("schedule:sched_msg(): SEND NOW: ~p", [NetworkAddress]),
  	    { send_now, NetworkAddress, St }
      end.
      
  