TD-trust: a time domain based P2P trust model

Authors:
Dong Li;Zhengtao Zhu;Chunling Cheng;Fei Du
Affiliations:
Dept. of Computer Science, Nanjing University of Posts and Telecommunications Nanjing, China;Dept. of Computer Science, Nanjing University of Posts and Telecommunications Nanjing, China;Dept. of Computer Science, Nanjing University of Posts and Telecommunications Nanjing, China;Dept. of Computer Science, Nanjing University of Posts and Telecommunications Nanjing, China
Venue:
AICI'11 Proceedings of the Third international conference on Artificial intelligence and computational intelligence - Volume Part I
Year:
2011

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Abstract

This paper proposes a time domain based trust model (TD-Trust) in P2P networks. In this model, time domain analysis is built on the processes of calculating direct and recommendation trust respectively on the basis of DHT mechanism. By tracing the behavior trend of peers, this model enables system to monitor the states of peers in the view of oscillation and malice continuity so that unsteady and aggressive peers get suppressed in time by reducing their trust values. The paper also proposes architecture based on DHT mechanism to store and manage the trust values of peers. Simulation results show that TD-Trust model is highly efficient to identify malicious peers and improve the success rate of transactions in P2P networks.