The flow manager processes a defined execution sequence, or service flow, that will invoke the required services in the proper sequence to produce the final result.
流管理器处理定义好的执行序列或服务流，它们将按照适当的顺序调用所需的服务来产生最后的结果。
2
This sequence of events effectively defines a composite service.
这样的事件序列有效地定义了组合服务。
3
For example, in our scenario, the service would decide which WS-RM sequence to use for each response message.