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Title: A Trust Model for On-Demand Routing in Mobile Ad-Hoc Networks
Authors: Lokuliyana, S.L.
Rupasinghe, L.
Keywords: AODV
Issue Date: 25-Aug-2014
Publisher: Computer Society of Sri Lanka
Series/Report no.: ;CSS01
Abstract: Mobile Ad hoc networks (MANETs) are spontaneously deployed over a geographically limited area without well-established infrastructure. Due to the openness in network topology and absence of a centralized administration in management, MANETs are highly vulnerable to various attacks from malicious nodes. In order to reduce the hazards from such nodes and enhance the security of network, a systematic security implementation must be adopted to the existing Ad-hoc technologies. In this paper, the authors attempt to use a TRUST based authentication mechanism, to detect and prevent the potential attacks on Ad-hoc networks, especially for Denial of Service (DOS) and Blackhole attacks. Thus providing the associated security needed in order to build up relationships among each other to communicate. The authors have proposed some modifications to the existing AODV routing protocol with calculating a heuristic trust metric. The proposed mechanism will detect the attack by calculating the trust parameters and if a node is suspected as an attacker, the security mechanism will isolate it from the network before communication is established.
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