Mobility

Trust-Based On-Demand Multipath Routing in Mobile Ad Hoc Networks

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Executive Summary

A Mobile Ad hoc NETwork (MANET) is a self-organized system comprised of mobile wireless nodes with peer relationships. Due to multi-hop routing and absence of any trusted third party in open environment, MANETs are vulnerable to attacks by malicious nodes. In order to decrease the hazards from malicious nodes, the authors introduce the concept of trust to MANETs and build a simple trust model to evaluate neighbours' behaviours - packet forwarding. Extended from AODV route protocol, a trust-based reactive multipath routing protocol for MANETs, termed as Ad hoc On-demand Trusted-path Distance Vector (AOTDV) is proposed. This protocol discovers multiple loop-free paths which are evaluated by hop count and trust.

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