This paper describes some parameters relationship to the WAN performance, and the means for the WAN performance improvement, Including TCP Tuning, Route Tuning and New TCP Protocol.

简单介绍了广域网性能参数，并描述了几种改善网络性能的方法，包括TCP调节、路由调整以及采用高级TCP协议等。

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The Improvement of Directory-based Cache Coherence Protocol is put forward in this paper.

本文提出了一个基于目录的高速缓存一致性协议的改进方案。

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