Abstract
The dynamic topology of Mobile ad hoc Network {MANET) allows nodes to join and leave the network at any point of time. This dynamic property of MANET has rendered it vulnerable to passive and active attacks by malicious nodes. In this paper we propose a new trust based relationship among the nodes to combat the packet dropping attack. In our scheme we considered the Dynamic Source Routing (DSR) protocol for simulation due to its common usage and flexible nature. Simulation results are used to draw conclusions regarding to the proposed scheme and compared it with the standard DSR protocol. Conducted experiments showed that the proposed scheme outscores the traditional DSR protocol in all aspects. Furthermore, the proposed trust enhanced dynamic source routing protocol provides the solution for the possible packet dropping attack in an ad hoc network.
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