期刊文献+

IndexPeer:半结构化P2P系统资源发现模型及其DHT算法 被引量:1

IndexPeer:semi-structured resource discovery model and its distributed hash table based search algorithm for P2P systems
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摘要 提出了一种基于半结构化P2P系统的资源发现模型——IndexPeer模型。该模型采用三层索引结构,由下至上分别为virtual organization层、service peer层和indexpeer层。IndexPeer充分利用P2P系统中的节点性能差异,具有高效的查找功能,且对网络的高度动态性有良好的适应性。针对Index Peer模型的体系结构,对该模型的结构化层DHT算法进行了研究和设计。基于small-world的仿真实验表明,IndexPeer模型的体系结构及其结构化层DHT算法具有较好的鲁棒性和一定的可扩展性。 This paper proposed a semi-structured resource discovery model——IndexPeer.IndexPeer was a hybrid hierarchical architecture consisting of three levels:virtual organization,service peer,and index peer from bottom to top.The architecture could bear high heterogeneity,high dynamicity,and high self-adaptivity in P2P system.It proposed a resource discovery mo-del based on DHT for IndexPeer.Simulations were run in a small-world network.The results show that IndexPeer is robust,sca-lable,and fault tolerant and can greatly improve the resource search efficiency.
出处 《计算机应用研究》 CSCD 北大核心 2008年第6期1648-1651,共4页 Application Research of Computers
基金 华中科技大学创新基金资助项目(HF04012006271)
关键词 分布式哈希表 点对点系统 索引 资源发现 搜索 distributed hash table(DHT) P2P(peer-topeer) system index resource discovery search
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参考文献15

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