DerivedILArCalibCalculatorSvcForTest Node1 DerivedILArCalibCalculator SvcForTest + DerivedILArCalibCalculator SvcForTest() + ~DerivedILArCalibCalculator SvcForTest() + sysInitialize() + sysStart() + sysStop() + sysFinalize() + sysReinitialize() + sysRestart() + setServiceManager() + addRef() and 14 more... Node2 ILArCalibCalculatorSvc + ILArCalibCalculatorSvc() + DeclareInterfaceID() + ~ILArCalibCalculatorSvc() + Process() Node2->Node1 Node3 IService Node3->Node2