An adaptive computational trust model for mobile ad hoc networks

Authors:
Azzedine Boukerche;Yonglin Ren;Richard Werner Nelem Pazzi
Affiliations:
University of Ottawa, Ottawa, Ontario, Canada;University of Ottawa, Ottawa, Ontario, Canada;University of Ottawa, Ottawa, Ontario, Canada
Venue:
Proceedings of the 2009 International Conference on Wireless Communications and Mobile Computing: Connecting the World Wirelessly
Year:
2009

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Abstract

While the notion of reputation is proposed to enhance an entity's trustworthiness and improve the security of a network, the problems of trust and reputation themselves, such as fair evaluation, peer assistance, efficient computation, become an important challenge in such systems. This paper addresses the issues of adaptive trust calculation and efficient reputation evaluation in wireless and mobile networks via a distributed approach. We first present the trust relationship between two mutual trustworthy nodes and then an adaptive computational trust prototype is formulated to effectively prevent malicious nodes from entering the trusted community. Through the analysis of our model's security properties, our system is proved to show how it is able to offer security protections to a dynamic but agile environment and at the same time prevent improper behavior within a community.