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Reliability Schemes for P2P Systems in Dynamic Mobile Environments

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7 Author(s)

In the double-layered mobile peer-to-peer (P2P) systems, peers are classified into two types, super peers and sub-peers; a super peer manages its sub-peers. The communications are done mostly among super peers to reduce the network traffic in searching files. In mobile networks, reliability that guarantees communications among peers is one of the crucial factors. However, most of the previous P2P systems were evaluated under the 'static' mobile P2P environment where the number of peers was fixed and there were no dynamic joins and leaves. In this paper, we propose two schemes, the avoidance scheme and the role changing scheme, to improve the reliability of a system in the dynamic mobile P2P environment. The experimental results show that the proposed schemes improve the communication failure rates by 3% and 5% over the system without them, respectively.

Published in:

Computer Science and its Applications, 2008. CSA '08. International Symposium on

Date of Conference:

13-15 Oct. 2008