a distributed dynamic super peer selection method based on evolutionary game for heterogeneous p2p streaming systems

a distributed dynamic super peer selection method based on evolutionary game for heterogeneous p2p streaming systems

;Jing Chen;Rui-Min Wang;Lei Li;Zhi-Hong Zhang;Xiao-She Dong
journal of power sources 2013 Vol. 2013 pp. -
121
chen2013mathematicala

Abstract

Due to high efficiency and good scalability, hierarchical hybrid P2P architecture has drawn more and more attention in P2P streaming research and application fields recently. The problem about super peer selection, which is the key problem in hybrid heterogeneous P2P architecture, is becoming highly challenging because super peers must be selected from a huge and dynamically changing network. A distributed super peer selection (SPS) algorithm for hybrid heterogeneous P2P streaming system based on evolutionary game is proposed in this paper. The super peer selection procedure is modeled based on evolutionary game framework firstly, and its evolutionarily stable strategies are analyzed. Then a distributed Q-learning algorithm (ESS-SPS) according to the mixed strategies by analysis is proposed for the peers to converge to the ESSs based on its own payoff history. Compared to the traditional randomly super peer selection scheme, experiments results show that the proposed ESS-SPS algorithm achieves better performance in terms of social welfare and average upload rate of super peers and keeps the upload capacity of the P2P streaming system increasing steadily with the number of peers increasing.

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ID: 205519
Ref Key: chen2013mathematicala
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205519
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10.1155/2013/830786
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