DETECTIONAND PREVENTIONOF MALICIOUS NODE BASED ON NODE BEHAVIOUR IN MANET
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Abstract
The performance of MANET relies on its security. In order to implement MANET network, security issue has to be taken into consideration. As it has been proved by so many studies, MANET is highly vulnerable to so many kinds of attacks due to its characteristics. MANET performance relies completely on the security provided by the network developer. Many researchers are doing research to overcome the loop holes in the security of MANET by implementing lot of techniques and mechanisms. One of the techniques that is used by the researchers is to detect and prevent the malicious node which is based on node behaviours. There is no single security mechanism that can fit to all networks due to scalability and effectiveness nature of MANET. The use of encryption and authentication system are not sufficient because they can be broken easily therefore by giving chances to different kinds of attack to penetrate in the network. A second level of defence is imminently needed in order to improve the network performance. This paper reviews recent research studies that use node behaviour analysis to detect and isolate malicious node from the network. The goal of this review paper is to find out which study is more effective than others.
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