A Reputation Management System in Structured Peer-to-Peer Networks

Authors:
So Young Lee;O-Hoon Kwon;Jong Kim;Sung Je Hong
Affiliations:
Pohang University of Science and Technology, S. Korea;Pohang University of Science and Technology, S. Korea;Pohang University of Science and Technology, S. Korea;Pohang University of Science and Technology, S. Korea
Venue:
WETICE '05 Proceedings of the 14th IEEE International Workshops on Enabling Technologies: Infrastructure for Collaborative Enterprise
Year:
2005

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Abstract

Since there is no method to verify the trustworthiness of shared files in P2P systems, malicious peers can spread untrustworthy files to the system. In order to prevent these untrustworthy files from spreading, we propose an effective reputation management system using peer reputation and file reputation together in DHT-based structured P2P networks. Simulation results show that the proposed system works better in preventing untrustworthy files from spreading than existing systems even in cases of allowing malicious peers to change their identities.