ITRT_StrawNeighbourSvc Node1 ITRT_StrawNeighbourSvc + DeclareInterfaceID() + getPad() + getChip() + getPin() + getSocket() + getStrawsFromPad() + getStrawsFromChip() + getFirstStrawFromChip() + getRunningNumbering() + strawNumber() + strawLayerNumber() + getAtlasIdentifier() + chipToBoardBarrel() + getRing() Node2 IService Node2->Node1