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P2P存储系统节点分层管理策略研究

Study on Node Management Strategy of P2P Storage System
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摘要 P2P存储系统具有自治性、容错性和可扩展性等特点.但由于节点的高度动态特性导致P2P存储系统的应用面临巨大挑战.数据分发和拓扑结构的设计是其中的一个关键问题.本文结合动态故障检测机制设计了一种分层的节点管理策略.结果表明本设计方法具有较好的性能,能高效的对节点进行管理,减少了网络中由于故障检测而导致的大量的心跳数据包,提高P2P存储系统的可用性. P2P storage system have a lot of attractive advantages,such as self organization,scalability and fault tolerance.The applications of P2P storage system faces many challenges because of high dynamic characteristics of nodes.Data distribution and the design of underlying topology are the key.This paper design a hierarchical node management strategy combining dynamic failure detection method.The results show that,this design can reduce network overhead and CPU occupancy rate and improve availability of P2P storage system.
作者 万亚平 刘立 罗扬 肖建田
机构地区 南华大学计算机科学与技术学院 华中科技大学计算机科学与技术学院
出处 《南华大学学报（自然科学版）》 2009年第4期62-65,共4页 Journal of University of South China：Science and Technology
基金 国家973基础研究计划专项基金资助项目(2004CB318201) 湖南省教育厅基金资助项目(08C756)
关键词 可用性 拓扑 数据分发 对等存储系统 availability topology data distribution P2P storage systems
分类号 TP393.02 [自动化与计算机技术—计算机应用技术]
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参考文献9

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共引文献21

南华大学学报（自然科学版）
2009年 第4期

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