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Analyzing and enhancing the resilience of structured peer-to-peer systems

机译:分析并增强结构化对等系统的弹性

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In this paper, we propose an approach to analyze the resilience of structured peer-to-peer (P2P) systems under failures. The approach is Markov-chain based, and can be applied to systems with relatively stable size and uniform distribution of nodes. We apply our approach to several well-known structured P2P systems. We find that different system features (types of neighbors of nodes) in P2P systems have different impacts on their resilience against failures. Following this observation, we propose to add some extra neighbor(s) to CAN using small-world model principles to form a so-called CAN-SW system. We then apply the proposed approach to analyze its resilience. We find that the performance is improved significantly, particularly, in terms of the average path length. (C) 2004 Published by Elsevier Inc.
机译:在本文中,我们提出了一种分析故障情况下结构化对等(P2P)系统的弹性的方法。该方法基于马尔可夫链,并且可以应用于具有相对稳定的大小和节点均匀分布的系统。我们将我们的方法应用于几种著名的结构化P2P系统。我们发现,P2P系统中的不同系统功能(节点的邻居类型)对其抵御故障的弹性具有不同的影响。根据这一观察,我们建议使用小世界模型原理向CAN添加一些额外的邻居,以形成所谓的CAN-SW系统。然后,我们应用所提出的方法来分析其弹性。我们发现,性能显着提高,特别是在平均路径长度方面。 (C)2004由Elsevier Inc.出版

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