A novel trust model for P2P networks

The characteristics of P2P networks which are open, anonymous, and loosely coupled inter-node lead to false resources, malicious evaluation, and syndicates. A related cluster based trust model for P2P networks named RCTrust is presented in this paper. Peers gather in clusters according to their interest similarity and communication history. There are two kinds of trust relationships. In RCTrust, measure of transaction success rate, communications similarity, honesty and timeliness of evaluation are used as parameters to evaluate the credit of peers. Simulative analysis shows that RCTrust model has robustness against malicious attacks and provides a higher rate of successful transaction.

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