Malicious peer identification using both goodness and wickedness metrics

Journal ar
Information (Japan)
  • Volumen: 16
  • Número: 3 A
  • Fecha: 01 January 2013
  • Páginas: 1981-2000
  • ISSN: 13448994 13434500
  • Source Type: Journal
  • Document Type: Article
  • Publisher: International Information Institute Ltd.No. 509 Fujimi-Cho 6-64-3Tachikawa City, Tokyo190-0013
In P2P networks, trust management is a key tool to minimize the impact of malicious nodes. Eigen Trust is one of the most powerful distributed reputation management systems focused on P2P file-sharing applications. It is the theoretical ground of other systems. However, any of them gives an appropriate importance to the wickedness of the nodes. In this paper, Pos&Neg EigenTrust is proposed. Considering unauthentic transactions in more depth, it is able to obtain a blacklist containing the identity of the malicious nodes. Therefore, Pos&Neg EigenTrust is able to drastically reduce the amount of unauthentic transactions on the network.

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