以下部分包括传送这一标识符的可行方法。

The next section includes possible ways to pass the identifier.

youdao

每个客户端必须有单独的标识符串，将该标识符串作为参数传送给类构造函数。

Each client has to have a unique identifier string which is passed as an argument to the class constructor.

youdao

它将包括与协调器Ca相同的活动标识符，但是当App2向它的协调器Cb注册Durable2 PC协议的时候，它的请求直接传送给了协调器Ca。

It would contain the same activity identifier as Coordinator Ca, but when App2 registers for the Durable2PC protocol to its Coordinator, Cb, its request is forwarded directly to Coordinator Ca.

youdao