A trust-based reputation system in peer-to-peer grid

  • Authors:
  • Zenggang Xiong;Yang Yang;Xuemin Zhang;Dairong Yu;Li Liu

  • Affiliations:
  • School of Information Engineering, University of Science and Technology Beijing, China and Department of Computer Science, Xiaogan University, China;School of Information Engineering, University of Science and Technology Beijing, China;Department of Computer Science, Xiaogan University, China;School of Information Engineering, University of Science and Technology Beijing, China;School of Information Engineering, University of Science and Technology Beijing, China

  • Venue:
  • OCSC'07 Proceedings of the 2nd international conference on Online communities and social computing
  • Year:
  • 2007

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Abstract

Grid computing and peer-to-peer computing are both hot topics at present. The convergence of the two systems is increasingly visible, and OGSA provides a framework for integrating grid and peer to peer. However, managing trust is a key issue for peer-to-peer grid. This paper proposes a novel trust-based reputation system for peer-to-peer grid, which is based on Bayesian theory. Theoretical analysis and simulations prove that the trust-based reputation system in peer-to-peer grid can improve the performance of cooperation among Gridpeers.