Distributed node level security monitoring system for mobile ad hoc networks Online publication date: Fri, 14-Nov-2014
by P. Visalakshi; S.V. Kasmir Raja
International Journal of Mobile Network Design and Innovation (IJMNDI), Vol. 5, No. 3, 2014
Abstract: In mobile ad hoc networks (MANET), the existing distributed intrusion detection systems (IDS) are not completely distributed in its design. Though the data is collected from the distributed nodes, IDS analyse them centrally. In this paper, we propose a distributed node level security monitoring system for detecting and isolating attackers in mobile ad hoc networks. In the traffic flow-monitoring phase, behaviour of neighbour node is monitored compared with the pattern table for abnormal behaviour. In trust estimation phase, global trust value is estimated for each node in the chosen path based on direct and indirect trust values. If the trust value of any node is below threshold value, the node will be authenticated using the secret sharing technique and data is rerouted towards alternate path for the attacked path. From the simulation results, we show that our proposed system performs better than the existing IDS systems for MANET.
Online publication date: Fri, 14-Nov-2014
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