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http://dx.doi.org/10.3745/KIPSTA.2006.13A.1.001

An Efficient Replication Scheme in Unstructured Peer-to-Peer Networks  

Choi Wu-Rak (퓨쳐시스템 VPN팀)
Han Sae-Young (서강대학교 컴퓨터학과)
Park Sung-Yong (서강대학교 컴퓨터학과)
Publication Information
The KIPS Transactions:PartA / v.13A, no.1, 2006 , pp. 1-10 More about this Journal
Abstract
For efficient searching in unstructured peer-to-peer systems, random walk was proposed and several replication methods have been studied to compensate for the random walk's low query success rate. This paper proposes an efficient replication scheme that improves the accuracy and speed of queries and reduces the cost by minimizing the number of replicas and by utilizing caches. In this scheme, hub nodes store only content's caches, and one of their neighbors stores the replica. By determining hubs with only limited and local information, we can adaptively generate caches and replicas in dynamic peer-to-peer networks.
Keywords
Unstructured Peer-to-peer Network; Replication Scheme; Power-law Topology;
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