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Volume & Issue no: Volume 3, Issue 11, November 2014


Detection and Segregation of Misbehavior Node(S) for MANETS OLSR Protocol
Author Name:
Nune Sreenivas , P.G.V. Suresh Kumar
ABSTRACT Intrusions can be imposed from different directions on network environments. Particularly on Mobile ad hoc Networks (MANETs), it is more frequent as the nature of this network is exposed it to be attacked. This happens due to the lack of defined infrastructures i.e uses wireless media and it has no defined perimeters and the communication medium used is not trusted; the mobility of the nodes can create additional problems on management of the topology of the network. These properties of MANET increased its susceptibility to intrusions. To address these problems there are several approaches proposed by different researchers. In this approach additional message for verification of the path, detection and isolation is used to test the validity of the route. Strong security mechanism should be developed to understand the nature of the normal nodes and malicious nodes so as to develop the detection mechanism. Understanding how malicious nodes behave in the network helps to design the intrusion detection mechanism that thwarts the attacks generated from these nodes. MANETs uses different routing protocol for communications to maintain the network and Optimized Link State Routing (OLSR) protocol is one of those protocols. In this work, OLSR protocol is used with an Intrusion Detection System (IDS) mechanism which accurately detects misbehavior node(s) using additional message which help to validate the path and if attacker is detected a message which isolate the attacker using alternative path is designed. This mechanism is investigated on End-to-End (E2E) communication between the source and the destination nodes in a typical MANET. It is effective in detection and isolation of misbehavior nodes using an alternative path to the destination. Based on this framework, simulation has been conducted and the simulation results showed that the proposed mechanism detects and isolates the attackers in a communication path while keeping a reasonably low overhead in terms of network traffic. Keywords:- Intrusion, IDS, MANETs, OLSR
Cite this article:
Nune Sreenivas , P.G.V. Suresh Kumar , " Detection and Segregation of Misbehavior Node(S) for MANETS OLSR Protocol" , International Journal of Application or Innovation in Engineering & Management (IJAIEM) , Volume 3, Issue 11, November 2014 , pp. 262-268 , ISSN 2319 - 4847.
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