A server-mediated peer-to-peer system

Authors:
S. H. Kwok;K. Y. Chan;Y. M. Cheung
Affiliations:
Department of Information Systems, College of Business Administration, California State University, Long Beach, CA;Department of Information and Systems Management, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong;Department of Information and Systems Management, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong
Venue:
ACM SIGecom Exchanges
Year:
2005

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Abstract

A peer-to-peer (P2P) system is a popular means of file distribution. Existing P2P systems do not adequately address a variety of common problems including (1) limited search scope, (2) dynamic nature of peers and (3) lack of collaboration among peers. In this paper, we propose a server-mediated peer-to-peer system to address these problems and to improve the performance of existing decentralized P2P systems by incorporating a central server into the decentralized P2P system to facilitate collaboration among peers. Two main features of our proposed system are Assisted-search and Assisted-download. Experimental results show that the search coverage was increased by 289.91% by using Assisted-search, while the overall download speed was improved by 33% by using Assisted-download.