Reputation-based method to detect failed peers in P2P streaming media system

doi:10.3778/j.issn.1002-8331.2008.25.008

Computer Engineering and Applications ›› 2008, Vol. 44 ›› Issue (25): 28-31.DOI: 10.3778/j.issn.1002-8331.2008.25.008

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Reputation-based method to detect failed peers in P2P streaming media system

LU Yi-feng^1,2,FENG Zhen-tan^1,2,WANG Jin-lin¹

1.Network New Media Engineering & Technology Research Center，Institute of Acoustics，CAS，Beijing 100190，China
2.Graduate University of Chinese Academy of Sciences，Beijing 100039，China

Received:2008-04-14 Revised:2008-05-12 Online:2008-09-01 Published:2008-09-01
Contact: LU Yi-feng

P2P流媒体系统中基于声望的节点故障检测方法

鲁逸峰^1,2,冯侦探^1,2,王劲林¹

1.中国科学院声学研究所网络新媒体工程技术研究中心，北京 100190
2.中国科学院研究生院，北京 100039

通讯作者: 鲁逸峰

Abstract

Abstract: Due to complex network environment and high dynamics of peers，it’s difficult for P2P streaming system to gain high availability.This paper proposes a novel reputation-based method to detect failed peers.The method can construct the reputation of target peers according to feedbacks of peers，hence detect failed peers efficiently.Theoretical analysis and the results of simulation indicate that the method can fully take advantage of resource of peers to alleviate the load on index servers effectively，meantime detect failed peers correctly.

Key words: Peer-to-Peer（P2P）, streaming media, failure detection, reputation

摘要： 针对P2P流媒体系统中由于复杂的网络环境与节点的高度动态性而导致系统整体可用性偏低的问题，进行深入分析，提出了一种基于声望的节点故障检测方法，该方法能够根据节点的反馈构建目标节点的声望，从而有效地检测节点故障。理论分析和仿真结果表明：该方法能够充分利用网络节点的资源，有效地减轻了索引服务器的负载，准确地检测了系统中的故障节点。

关键词: 对等网络（P2P）, 流媒体, 故障检测, 声望

LU Yi-feng^1,2,FENG Zhen-tan^1,2,WANG Jin-lin¹. Reputation-based method to detect failed peers in P2P streaming media system[J]. Computer Engineering and Applications, 2008, 44(25): 28-31.

鲁逸峰^1,2,冯侦探^1,2,王劲林¹. P2P流媒体系统中基于声望的节点故障检测方法[J]. 计算机工程与应用, 2008, 44(25): 28-31.

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Reputation-based method to detect failed peers in P2P streaming media system

P2P流媒体系统中基于声望的节点故障检测方法

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