An efficient source peer selection algorithm in hybrid P2P file sharing systems

Authors:
Jingyuan Li;Weijia Jia;Liusheng Huang;Mingjun Xiao;Jun Wang
Affiliations:
CityU and USTC, Advanced Research Institute in Suzhou, Jiangsu, China;Department of Computer Science, City University of Hong Kong, Hong Kong SAR, China;Department of Computer Science, University of Science and Technology of China, Anhui, China;Department of Computer Science, University of Science and Technology of China, Anhui, China;CityU and USTC, Advanced Research Institute in Suzhou, Jiangsu, China
Venue:
ICA3PP'07 Proceedings of the 7th international conference on Algorithms and architectures for parallel processing
Year:
2007

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Abstract

We propose a source peer selection algorithm which efficiently chooses peers as sources from a set of peers having the requested file in a hybrid P2P file sharing system. Our proposed algorithm considers the energy factors as well as the communication issues and the peers' contribution to the file sharing system. The core idea of our algorithm is to minimize the workload of the wireless peers, and to leave those jobs to cable connected peers which are much stronger than wireless ones. We validate our algorithm through comprehensive simulations, which show that the algorithm works correctly and effectively.