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基于P2P的自组织网络路由算法研究


□ 叶剑虹 孙世新 张运生 周益民

   (1.电子科技大学计算机科学与工程学院,成都 610054; 2. Dept. of Mathematics & Computer Sciences, Eindhoven University of Technology, Eindhoven, the Netherlands)
  摘 要:
  针对传统的P2P采用泛洪的信息传输方式,网络带宽开销耗费较大,而结构化P2P覆盖网又难以在开销和效率方面做到较好的权衡。根据网络的动态性,有效地建立起一个可分层的树型自治系统,详细描述了该系统的构建目标和体系结构,并基于P2P计算模式动态构建该模型,给出相应的路由发现和更新算法。在理论及仿真实验的基础上对该路由模型的性能进行了验证。结果表明,该网络是一种可运行于任何环境,不受限于系统规模大小、节点能力强弱、节点出入频率,可通过动态调节保证路由效率的广域分布式系统。
  关键词:对等网络; 网络结构;动态性;路由算法
  中图分类号:TP393 文献标志码:A
   文章编号:10013695(2009)01030605
  
  New selforganizing P2P network and routing algorithm
  YE Jianhong1,2, SUN Shixin1, ZHANG Yunsheng1, ZHOU Yimin1
  (1. School of Computer Science & Engineering, University of Electronic Science & Technology of China,Chengdu 610054,China; 2. Dept. of Mathematics & Computer Sciences, Eindhoven University of Technology, Eindhoven, the Netherlands)
  Abstract:In traditional P2P nets,the flooding transmission isaccompanied with greatness communication cost. Structured overlay P2P network is also hard to balance expense and efficiency. This paper presented a hierarchical selforganizing dynamic network, described the target and architecture of this model, as well as a detailed description of the P2P decentralized compute model, route discovering and updating algorithm. Theory analysis and simulation results testify the performance of the network, which shows it is a general structure overlay network that can be deployed in any environments, not matter what the system size is, how dynamic the nodes are, and what the nodecapacity distribution is like. ......
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