Authors: JenqShiou Leu WeiHsiang Lin JhengHuei Chen
Publish Date: 2013/12/17
Volume: 68, Issue: 1, Pages: 443-458
Abstract
Peertopeer P2P networks feature resource sharing in a distributed network environment How to efficiently find out target objects ie data file etc distributed in a P2P network is the remarkable process for resource sharing The searching efficiency highly depends on the popularity of the target object However the popularity varies since peer joining or leaving a P2P network is very dynamic Many researches aimed at finding a good searching scheme in such a variable environment with a better tradeoff among long searching time a large amount of duplicated query messages and a low successful search hit rate In this paper we propose a Cloning Random Walker assisted by Weakly Connected Dominating Set CloneRW+WCDS method to adaptively locate the target object in a P2P network Our simulation results also depict that our proposed scheme can perform a better tradeoff among the search delay message overhead per hit and success rate while conducting resource searching in a P2P network
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