追踪服务器，通过按域划分邻居节点列表，优化了对邻居节点的返回策略。

For optimizing the returning policy of the neighboring nodes, the tracker server divides the neighboring nodes in accordance with the domain.

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然后，本文重点阐述DPCDN系统两个关键服务器组件-内容路由服务器和追踪服务器的设计和实现。

Then, this thesis focuses on describing the design and implementation of the content router server and tracker server, which are two key components of DPCDN system.

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当您在监视或者分析性能报告时，将报告性能与服务器端(例如，通过日志，追踪)联系起来是非常有用的。

When monitoring or analyzing performance reports, it is very useful to correlate the reported performance with activities on the server side (through logs, traces, for instance).

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