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结构化P2P网络拓扑匹配技术综述 被引量：6

Survey on topology-matching techniques in structured P2P networks
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摘要 结构化P2P网络中由DHT(分布式哈希表)来决定网络中资源的映射位置,这种方式在系统的可扩展性和资源的定位速度上都有了很大的提高。但是,在利用DHT构建覆盖网络时,并没有过多地考虑底层物理拓扑结构,因而产生了逻辑拓扑与物理拓扑的失配问题,造成了很多不必要的路由,降低了资源定位的效率。针对这种情况进行了大量的文献调研,对结构化P2P网络拓扑匹配现有的算法进行了介绍,分析了各种算法的优缺点,并在现有算法的基础上进一步展开研究。 In the structured P2P networks, the location of the resources in the network is decided by DHT（ distributed hash table）. This method make a great improvement in the system scalability and the speed of searching resources. But, when building the overlay network with DHT, it doesn＇ t take the physical topology into consideration. As a result, there are a lot of redundant massages in the network and a low efficiency in the search resources because of the mismatching problem between logical topology and physical topology. Considering these problems, this paper introduced several topology-matching techniques and compares among them. Based on the survey, this paper outlined this future research directions.
作者 连淑娟 孙波 魏云刚
机构地区 北京师范大学信息科学与技术学院计算机科学与技术系
出处 《计算机应用研究》 CSCD 北大核心 2009年第8期2807-2809,2826,共4页 Application Research of Computers
基金 全国教育科学"十一五"规划教育部重点课题(DCA060097)
关键词 对等网络 结构化对等网络 对等网络拓扑 拓扑匹配 P2P structured P2P P2P network topology topology match
分类号 TP311 [自动化与计算机技术—计算机软件与理论]
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共引文献40

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计算机应用研究
2009年 第8期

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