Secure Multipoint Relay based Routing in MANET
Proceedings of the Second International Conference on Computational Science, Engineering and Information Technology
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Trust is important in Ad-hoc networks because collaboration and cooperation among nodes are critical towards achieving the system's goals, such as routing reliability. In this paper, we seek to provide an understanding of the process of reputation-based trust approaches and related issues as they apply to routing in ad-hoc networks. We discuss the concept and properties of trust. We survey the following issues: the way wireless ad-hoc nodes first assume trust, the evidences that are collected to calculate trust, the calculations that are performed over the evidences, the way the decision is made to determine a trusted node, and how trust is updated to maintain a trusted environment. We provide a comparison of three well-established approaches and discuss some potential attacks against reputation-based trust.