Agents and Peer-to-Peer Computing

Volume 4461 of the series Lecture Notes in Computer Science pp 143-150

Reliable P2P File Sharing Service

  • Jung-Hwa ShinAffiliated withDepartment of Computer Science, Pukyong National University
  • , Weon ShinAffiliated withDepartment of Information Security, TongMyung University
  • , Kyung-Hyune RheeAffiliated withDivision of Electronic, Computer and Telecommunication Engineering, Pukyong National University

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A P2P service is a popular for sharing various information through direct connection among two or more peer entities. This service which does not require a dedicated server can be used for finding and exchanging information freely. P2P file sharing systems have become popular as a new paradigm for information exchange. All users who use file sharing service can use shared files of each other freely by equal access privilege. Therefore, P2P file sharing service can suffer from free rider that only downloading without sharing on file. Also, some users can provide malicious files such as virus, worm. Recently, reputation information has been used to solve these problems. Hence, we propose the reliable P2P file sharing service model that can restrict a “free rider” and guarantee the reliability of shared files and users using reputation information.