In order to maximize performance, the approach is to allow for the middle tier to reuse the same physical connection without the need to re-authenticate the user at the database server.

为了提高性能，这种方法应允许中间层重用相同的物理连接，而不需要重新在数据库服务器上对用户进行身份验证。

youdao

You might get the re-authenticate dialog if the connection was timed out.

如果连接超时，您可能会遇到重新认证对话框。

youdao

When a session times out, you can re-authenticate and then continue where you left off; the user interface state is not lost.

当调用结束之后，您就可以确认然后继续；用户界面状态并没有丢失。

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The patent application also explains that the streaming playback could be adjusted based on the type of communications network, and that there would naturally be various means to authenticate your device and ensure that you actually own the music you're streaming.

ENGADGET: Apple patent application suggests partial storage of music to speed up streaming