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Distributed pairing for file sharing in large-scale peer-to-peer networks

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2 Author(s)
Chih-Lin Hu ; Dept. of Commun. Eng., Nat. Central Univ., Jhongli, Taiwan ; Da-You Chen

Peer-to-peer systems encounter critical issues, such as peer churn, free riding, and varied workload, which significantly affect performance results such as resource utilization, service agility, and fairness. This study proposes a distributed pairing scheme that supports fast and fair file sharing applications in large-scale peer-to-peer networks. This design exploits the peer duality of both server-oriented peer capacity and client-oriented peer contribution. Accordingly, the scheme can perform peer assignment, substitution, and elimination, and cope with subtle situations of free-riding, service starvation, and download blocking, thus making the system design robust and amenable. Simulation results confirm that the proposed mechanisms are effective in maintaining service agility and fairness in large-scale, distributed peer-to-peer file sharing environments.

Published in:

Advanced Communication Technology (ICACT), 2011 13th International Conference on

Date of Conference:

13-16 Feb. 2011