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SCOPE: scalable consistency maintenance in structured P2P systems
Xin Chen; Shansi Ren; Haining Wang; Xiaodong zhang;
INFOCOM 2005. 24th Annual Joint Conference of the IEEE Computer and Communications Societies. Proceedings IEEE
Volume 3,
13-17 March 2005
Page(s):1502
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1513 vol. 3
Abstract:
While current peer-to-peer (P2P) systems facilitate static file sharing, newly developed applications demand that P2P systems be able to manage dynamically changing files. Maintaining consistency between frequently updated files and their replicas is a fundamental reliability requirement for a P2P system. In this paper, we present SCOPE, a structured P2P system supporting consistency among a large number of replicas. By building a replica-partition-tree (RPT) for each key, SCOPE keeps track of the locations of replicas and then propagates update notifications. Our theoretical analyses and experimental results demonstrate that SCOPE can effectively maintain replica consistency while preventing hot spot and node-failure problems. Its efficiency in maintenance and failure-recovery is particularly attractive to the deployment of large-scale P2P systems.
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