ITRT_ConditionsTestSvc Node1 ITRT_ConditionsTestSvc + test() + interfaceID() Node3 TRT_ConditionsTestSvc + TRT_ConditionsTestSvc() + ~TRT_ConditionsTestSvc() + initialize() + finalize() + queryInterface() + test() + condSummaryStatus() * test() * condSummaryStatus() Node1->Node3 Node2 IService Node2->Node1