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ACB-R: An adaptive clustering-based data replication algorithm on a P2P data-store
Zhang, Junhu ; Yang, Dongqing ; Tang, Shiwei
2005
英文摘要Replication on geographically distributed, unreliable, P2P interconnecting nodes can offer high data availability and low network latency for replica access. The challenge is how to take good control of the number of replicas and their distribution over well-chosen nodes to get a good replica access performance. We observe that, there exists such a logical node cluster overlay over any P2P data-store's underlying network topology that the replica transmission delay of inter-cluster is much greater than that of intra-cluster because of geographical distance or bandwidth sharing between nodes in different clusters. Based on nodes-clustering, we propose a decentralized algorithm ACB-R to direct the data replication, which can adapt dynamically to the changing replica access patterns or network topologies. The experiment shows that ACB-R can benefit much of the access requests at the price of negligible intra-cluster replica transmission and consequently achieves a good average replica access performance. ? Springer-Verlag Berlin Heidelberg 2005.; EI; 0
语种英语
内容类型其他
源URL[http://ir.pku.edu.cn/handle/20.500.11897/328921]  
专题信息科学技术学院
推荐引用方式
GB/T 7714
Zhang, Junhu,Yang, Dongqing,Tang, Shiwei. ACB-R: An adaptive clustering-based data replication algorithm on a P2P data-store. 2005-01-01.
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