A Reputation Management Scheme for Peer-to-Peer Networks based on the EigenTrust Trust Management Algorithm

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概要

• 論文の詳細を見る

• Peer-to-Peer (P2P) systems have attracted considerable attention in recent years, as a key technology to realize scalable, dependable network services. However, because of its high anonymity, P2P systems involve several drawbacks such as the weakness against malicious attacks by anonymous peers. In this paper, we propose a method to evaluate the trustworthiness of each peer by explicitly taking into account the accuracy of mutual evaluations. The proposed method is an extension of the EigenTrust proposed by Kamvar et al. which calculates a global trust vector consistent with the observed local trust vectors under the weighted sum in a linear space. The performance of the proposed method is evaluated by simulation. The result of simulations indicates that the proposed method identifies a large subset of reliable peers with a sufficiently small number of message transmissions compared with a simple modification of the EigenTrust.

• 2012-05-15

著者

• Satoshi Fujita

  Graduate School Of Engineering Hiroshima University

• Satoshi Fujita

  Hiroshima University

• Takuya Nishikawa

  Hiroshima University

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