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Distributed File Discovery Protocol in Mobile Peer-to-Peer Networks

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3 Author(s)
Eunyoung Kang ; Sch. of Comput. Eng., Sungkyunkwan Univ., Suwon ; WonGil Choi ; Ungmo Kim

In mobile peer-to-peer networks, it is important to discovery file to increase the file accessibility and to decrease the wireless network traffic. In this paper, we design and evaluate a discovery scheme to effectively search files by using only local information in a mobile peer-to-peer network. Our discovery protocol is based on the concept of peer-to-peer caching of file information advertisement and lower ID-based forwarding of file requests. Our protocol is that physical hop counts and the number of messages exchanged have been significantly reduced, since it does not require a central lookup server and does not rely on flooding. In the proposed scheme, physical hop counts and the number of messages exchanged have been significantly reduced, compared with the other protocol. We will show via a simulation how this system works efficiently.

Published in:

Networked Computing and Advanced Information Management, 2008. NCM '08. Fourth International Conference on  (Volume:1 )

Date of Conference:

2-4 Sept. 2008