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主题覆盖P2P网络自组织构造方法 被引量:1

Research on the Self-Organization Construction Method of the Topic Overlay P2P Network
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摘要 本文从节点根据资源的相关性自组织构造网络的角度出发,提出一种基于信息聚类的P2P网络自组织构造方法。节点基于自身了解的知识,自主地建立并维护与其它节点的拓扑连接。通过节点间的信息聚类,资源相似节点聚集在同一主题域,实现节点资源的有序组织。对于给定的查询,它的答案集就在对应的主题域,查询处理范围小,查询处理效率高。实验分析表明,本文提出的基于信息聚类的P2P网络自组织构造方法起到了优化网络性能的效果。 A method of self-organizing the P2P network based on information clustering is proposed. For the sake of effective resources organization, an overlay network topology named TONET is proposed by combining the strengths of the traditional centralized networks and the distributed networks. The novel overlay network can be generated by dynamically clustering the peers that include the relevant topic document set and by linking them together. And then with the efficient organization of the resources, TONET can restrict a query in the partial nodes of the P2P network and achieve a very competitive trade-off between the search latencies/bandwidth and maintenance overhead. The corresponding simulation results show that the proposed cluster-based method of the self-organization P2P network can automatically optimize the network.
出处 《计算机工程与科学》 CSCD 北大核心 2009年第1期31-34,129,共5页 Computer Engineering & Science
基金 国家自然科学基金资助项目(60172012) 湖南省自然科学基金资助项目(03JJY3110)
关键词 P2P 主题 自组织 聚类 P2P topic self-organization clustering
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参考文献5

  • 1Stoiea I, Morris R, Karger D, et al. Chord: A Scalable Peer- to-Peer Lookup Service for Internet Applieations[C]//Proc of ACM SIGCOMM' 01,2001 : 149-160.
  • 2Ratnasamy S, Francis P, Handley M, et al. A Scalable Content-Addressable Network[C]//Proe of ACM SIGCOMM ' 01,2001 : 161-172.
  • 3Jovanovie M A. Modeling Large-Scale Peer-to-Peer Networks and a Case Study of Gnutella[D]. Cincinnati: University of Cincinnati, 2001.
  • 4Stephanos A T, Diomidis S. A Survey of Peer-to-Peer Content Distribution Technologies[J]. ACM Computing Surveys,2004,36(4) : 335-371.
  • 5Yang B, Garcia-Molina H. Designing a Super-Peer Network [C]//Proc of the 19th Int'l Conf on Data Engineering, 2003.

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