Pollution for Selection Strategy of File Segment in Peer-to-Peer System with Modeling and Analyzing

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Pollution for Selection Strategy of File Segment in Peer-to-Peer System with Modeling and Analyzing

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- Pollution for Selection Strategy of File Segment in Peer-to-Peer System with Modeling and Analyzing
- Vol. 46, Issue 3, Pages: 58-63(2012)
- 作者机构：
  
  西北工业大学计算机学院,西安,710129
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP393.08
- Online First：10 March 2012，
  
  Published：2012
- 稿件说明：
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Pollution for Selection Strategy of File Segment in Peer-to-Peer System with Modeling and Analyzing[J]. 2012, 46(3): 58-63.
DOI：

Pollution for Selection Strategy of File Segment in Peer-to-Peer System with Modeling and Analyzing[J]. 2012, 46(3): 58-63. DOI：

摘要

为了提高对等网络(P2P)文件共享过程的控制效果

提出了一种面向P2P文件共享系统中文件片段选择策略的P2P污染方法

并通过数学建模对污染效果进行了分析.该方法利用P2P文件共享系统中最少优先的文件片段选择策略

通过干扰文件片段的副本数达到控制文件传播的目的.实验结果表明

污染是否成功由初始资源提供节点退出P2P文件共享系统的概率和系统内污染节点的数量相互作用来决定

退出率和污染节点数量越高

文件片段污染越容易成功.当污染失效时

节点完成整个文件下载所用时间近似服从Frechet分布.当污染成功时

该方法可以在污染者不发送文件数据的情况下

使整个文件共享系统中每个资源请求节点都无法完成文件下载

因此具有污染效果好、对网络与计算资源要求低的优点.

Abstract

To promote the effect of peer-to-peer(P2P)file sharing control

a pollution method pointing to the selection strategy of file segment in P2P file-sharing system is proposed

and the mathematical model is established to analyze the pollution effect. The rarest first policy of file segment selection in P2P system is used to pollute the quantity of the file segment copies. The simulation demonstrates that the success of pollution depends on the mutual action of the exit rate of the initial data provider and the quantity of the polluter. The higher the exit rate of the initial data provider and the quantity of the polluter are

the higher the success rate of pollution is. If the pollution fails

the downloading time of the file is close to Frechet distribution. While the pollution succeed

without sending any data of a file

the polluter makes every downloading node in the P2P system fail to accomplish the file downloading. The proposed pollution method is effective requiring less computing resources.

关键词

Keywords

references

LIANG J, KUMAR R, XI Y, et al. Pollution in P2P file sharing systems [C]∥Proceedings of IEEE INFOCOM 2005. Piscataway, NJ, USA: IEEE, 2005:1174-1185.

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LIANG J, NAOUMOV N, ROSS K W. The index poisoning attack in P2P file sharing systems [C]∥Proceedings of IEEE INFOCOM 2006. Piscataway, NJ, USA: IEEE, 2006: 1-12.

YOSHIDA M, OHZAHATA S, NAKAO A, et al. Controlling file distribution in Winny network through index poisoning [C]∥Proceedings of ICOIN 2009 International Conference on Information Networking. Piscataway, NJ, USA: IEEE, 2009:1-5.

DUMITRIU D, KNIGHTLY E, KUZMANOVIC A, et al. Denial-of-service resilience in peer-to-peer file-sharing systems [C]∥Proceedings of ACM SIGMETRICS 2005. New York, USA: ACM, 2005:38-49.

胡辛遥.对等网络污染的建模 [D]. 上海: 上海交通大学, 2008.

方群.P2P文件污染随机模型 [J]. 小型微型计算机系统, 2009, 30(10):1980-1984.

FANG Qun. Stochastic modeling of file pollution in P2P system [J]. Journal of Chinese Computer Systems, 2009, 30(10):1980-1984.

王珏,周莉.BitTorrent模型原理分析 [J]. 华东交通大学学报, 2009, 26(1):82-83.

WANG Jue, ZHOU Li. An analysis on model principle of BitTorrent [J]. Journal of East China Jiaotong University, 2009, 26(1):82-83.

KULBA Y, BICKSON D. The eMule protocol specification [EB/OL]. [2011-07-10]. http:∥code.google.com/p/emule-xtreme/downloads/.

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