A community-based trust model for P2P networks

  • Authors:
  • Hai Jin;Xuping Tu;Zongfen Han;Xiaofei Liao

  • Affiliations:
  • Cluster and Grid Computing Lab, Huazhong, University of Science and Technology, Wuhan, China;Cluster and Grid Computing Lab, Huazhong, University of Science and Technology, Wuhan, China;Cluster and Grid Computing Lab, Huazhong, University of Science and Technology, Wuhan, China;Cluster and Grid Computing Lab, Huazhong, University of Science and Technology, Wuhan, China

  • Venue:
  • HPCC'05 Proceedings of the First international conference on High Performance Computing and Communications
  • Year:
  • 2005

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Abstract

Trust management is a key issue for P2P networks. Previous works build peer’s reputation just based on ratings of other individual peers. In this paper we present a novel trust construction approach, called CommunityTrust. The approach evaluates peers’ reputation taking other peers’ ratings into account as well as recommendations of some related communities and peers. Our preliminary simulation results show that CommunityTrust model significantly improves the trust computation accuracy of P2P e-Commerce systems.