ETUS: enhanced triple umpiring system for security and robustness of wireless mobile ad hoc networks
by Ayyaswamy Kathirvel, Rengaramanujam Srinivasan
International Journal of Communication Networks and Distributed Systems (IJCNDS), Vol. 7, No. 1/2, 2011

Abstract: Ad hoc wireless networks provide mobile communication capability to satisfy a need of a temporary nature and without the existence of any well-defined infrastructure. Protecting the network layer from malicious attacks is an important and challenging issue in both wired and wireless networks and the issue becomes even more challenging in the case of wireless mobile ad hoc network. In this paper, we propose a solution of triple umpiring system (TUS) that provides security for routing and data forwarding operations. In our system, each node's behaviour from source to destination is closely monitored by a set of three umpires. If any misbehaviour is noticed, umpires flag off the guilty node from the circuit. We have proposed two enhancements to the basic TUS for salvaging the circuit during disruptions in route reply and data forwarding phases. The model with these two enhancements is called ETUS. We have implemented TUS and ETUS by modifying the prominent AODV protocol. Extensive investigation studies using QualNet 5.0.2 establish the soundness and robustness of the proposal.

Online publication date: Thu, 26-Feb-2015

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