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P2P网络中Churn问题研究
引用本文:张宇翔,杨冬,张宏科.P2P网络中Churn问题研究[J].软件学报,2009,20(5):1362-1376.
作者姓名:张宇翔  杨冬  张宏科
作者单位:1. 北京交通大学电子信息工程学院下一代互联网互联设备国家工程实验室,北京,100044;中国民航大学计算机科学与技术学院,天津,300300
2. 北京交通大学电子信息工程学院下一代互联网互联设备国家工程实验室,北京,100044
基金项目:Supported by the National Basic Research Program of China under Grant Nos.2007CB307100, 2007CB307101, 2007CB307106 (国家重点基础研究发展计划(973)); the Cultivation Fund of the Key Scientific and Technical Innovation Project of China under Grant No.706005 (高等学校科技创新工程重大项目培育资金项目); the Program for Cheung Kong Scholars and Innovative Research Team in University of China under Grant No.IRT0707 (长江学者和创新团队发展计划)
摘    要:Churn问题是P2P网络面临的基本问题之一.通过系统地归纳现有文献,从Churn问题产生的机理出发,总结出解决Churn问题的主要步骤,依次是准确度量Churn,分析Churn对P2P网络性能的影响,给出应对Churn的具体策略.以此为主线对Churn问题的研究进展进行综述,全面、深入、系统地总结了每个步骤中涉及的关键问题以及解决这些问题的具体方法与最新成果.讨论了存在的问题并指出未来可能的研究方向.

关 键 词:P2P网络  Churn度量  Churn下P2P网络性能的评估  应对Ch啪策略
收稿时间:2008/4/28 0:00:00
修稿时间:2008/10/17 0:00:00

Research on Churn Problem in P2P Networks
ZHANG Yu-Xiang,YANG Dong and ZHANG Hong-Ke.Research on Churn Problem in P2P Networks[J].Journal of Software,2009,20(5):1362-1376.
Authors:ZHANG Yu-Xiang  YANG Dong and ZHANG Hong-Ke
Affiliation:National Engineering Laboratory for Next Generation Internet Interconnection Devices;School of Electronics and Information Engineering;Beijing Jiaotong University;Beijing 100044;China;College of Computer Science and Technology;Civil Aviation University of China;Tianjin 300300;China
Abstract:Churn is one of the main problems faced by all P2P networks. This paper surveys the existing theories and methods about Churn. On the basis of the generation mechanism of Churn, this study summarizes the major steps of the Churn problem solution: precise measurement of Churn, analysis of the impact of Churn on P2P performance, and provision of specific strategies to handle Churn. Under each step, existing problems, solutions, and the newest recent research are explored. This paper also discusses the prospects of future studies.
Keywords:Churn
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