在这个特定的示例中，服务器端的断言标识作为远程调用的方法参数发送。

In this particular sample, the asserted identity for the server side is simply sent as a method parameter of the remote invocation.

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发送服务器进行远程调用，并将调用者的标识放到请求中。

The sending server makes a remote invocation and places the identity for the invoker into the request.

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首先，标识远程数据库所在的主机和端口。

First, identify the host and port that the remote database is running on.

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