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BitTorrent协议Choking／Unchoking机制的度量和分析 被引量：3

Measurement and Analysis of Choking/Unchoking in BitTorrent
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摘要 BitTorrent是一个用于内容分发的P2P协议,现在已经发展成为互联网的一项重要的应用。本文从性能的角度,度量BitTorrent的行为,解释BitTorrent协议的关键元素,分析BitTorrent是否是高效的。本文有以下贡献:①提出一种有效度量BitTorrent式的内容分发协议的方法。②确认BitTorrent的Choking/Unchoking机制存在缺陷,不是高效的。③设计ShareStorm协议,证明BitTorrent的缺陷可以避免。经初步验证,在下载完成时间这个最主要的性能指标上,ShareStorm比BitTorrent至少减少50+%。 BitTorrent is a P2P file distribution protocol, which has become an important Internet application in recent years. In this paper,we measure the performance of BitTorrent, explain its key factors, and analyze its efficiency. Our contributions are as follows： 1） present an effective way to measure the performance of BitTorrent; 2） find out some flaws of BitTorrent＇s Choking/Unchoking which impair its efficiency ; 3） design a ShareStorm Protocol which avoids the flaws above. Our preliminary experiments show that in terms of download time, ShareStorm outperforms BitTorrent by 50＋ %
作者 程伟 吴产乐 雷迎春 姜琦 阳立堂
机构地区 武汉大学计算机学院
出处 《计算机科学》 CSCD 北大核心 2008年第8期84-89,共6页 Computer Science
基金 国防科大并行与分布处理国家重点实验室基金项目(51484030105JW1203)资助
关键词 P2P BITTORRENT Choking/Unchoking机制 性能 效率 P2P, BitTorrent, Choking/Unchoking, Performance, Efficiency
分类号 TP393 [自动化与计算机技术—计算机应用技术] TP393.09 [自动化与计算机技术—计算机应用技术]
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参考文献14

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同被引文献19

  • 1Cohen B. Incentives Build Robustness in BitTorrent [M]. Berkeley: ACM Press ,2003.
  • 2Banerjee S, Griffin T G, Pias M. The Interdomain Connectivity of Planet Lab Nodes[ C]//Proceedings of the 5th International Workshop on Passive and Active Network Measurement, 2004.
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  • 6YD/T 1194-2002.流控制传送协议(SCTP)[S]2002.
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  • 9Yang M. An Efficient Hybrid Peer-to-Peer System for Distributed Data Sharing [ J ]. IEEE Transactions on Computers, 2010,59(9) :1158-1163.
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引证文献3

计算机科学
2008年 第8期

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