Double-Layered Peer-to-Peer Systems in MobileAd-hoc Networks 


Vol. 17,  No. 1, pp. 61-68, Feb.  2010
10.3745/KIPSTC.2010.17.1.61


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  Abstract

As the mobile technology advances, file searchingamong the mobile device users becomes more important. In this paper, we propose the uniform grid, greedy, and MIS P2P systems that have double-layered topologyto search files efficiently for mobile ad-hoc networks. In these systems, peers are classified into two groups, super-peers and sub-peers, and each super-peer manages its neighboringsub-peers. In the proposed systems, each super-peer maintains the appropriate information of its sub-peers so that when a peer requests a file, the request is sent to its super-peers and then to neighboring super-peers. Hence the proposed systems could avoid multi-broadcasting and reduce network overheads. The experimental results show that the proposed systems outperform a single-layered P2P system in terms of the average number of messages to find target files. Especially the MISsystem improves by reducing the average number of messages by 48.9% while maintaining the same search accuracy.

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[IEEE Style]

J. H. Kim and S. B. Yang, "Double-Layered Peer-to-Peer Systems in MobileAd-hoc Networks," The KIPS Transactions:PartC, vol. 17, no. 1, pp. 61-68, 2010. DOI: 10.3745/KIPSTC.2010.17.1.61.

[ACM Style]

Ji Hoon Kim and Sung Bong Yang. 2010. Double-Layered Peer-to-Peer Systems in MobileAd-hoc Networks. The KIPS Transactions:PartC, 17, 1, (2010), 61-68. DOI: 10.3745/KIPSTC.2010.17.1.61.

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