An Enhanced Trust Model Based on Reputation for P2P Networks

  • Authors:

  • Xu Wu;Jingsha He;Fei Xu

  • Affiliations:

  • -;-;-

  • Venue:
  • SUTC '08 Proceedings of the 2008 IEEE International Conference on Sensor Networks, Ubiquitous, and Trustworthy Computing (sutc 2008)
  • Year:
  • 2008

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Abstract

Trust plays an important role in peer-to-peer (P2P) networks for enabling peers to share resources and services. It is necessary to build an effective security trust model to solve the trust problem during interactions between peers. In this paper, we propose an enhanced trust model based on reputation. We apply SupP2Prep [1] in our trust model, which is a protocol for reputation management via polling in P2P networks, but with three adjustments. Most of the existing trust models only consider the poll problem from the perspective of trust. Here, we consider voting for peers from the perspectives of both trust and distrust. Our work appears to be the first attempt to incorporate distrust in the polling algorithm. The proposed model is shown to be robust in the presence of attackers through simulation.