Thrown when the aggregator receives a fault from the target exchange Thrown when the scatter-gather receives a fault from the target exchange and doesn't have the robustness Thrown when the routing slip receives a fault from the target exchange Thrown when the wire tap receives a fault from the target exchange Thrown when the splitter receives a fault from the target exchange and doesn't have the robustness Thrown when the bridge receives a fault from the target exchange Thrown when the router receives a fault from the target exchange Thrown when the dynamic router receives a fault from the target exchange