IEMClusterTool Node1 IEMClusterTool + ~IEMClusterTool() + initialize() + contExecute() + interfaceID() Node3 EMClusterTool - m_outputClusterContainerKey - m_outputClusterContainer CellLinkKey - m_MVACalibSvc + EMClusterTool() + ~EMClusterTool() + initialize() + contExecute() - setNewCluster() Node1->Node3 Node2 IAlgTool Node2->Node1