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Mobile Ad Hoc NETwork (MANET) consists of a collection of wireless mobile hosts without the required intervention of any existing infrastructure or centralized access point such as base station. The dynamic topology of MANET allows nodes to join and leave the network at any point of time. Wireless MANET is particularly vulnerable due to its fundamental characteristics such as open medium, dynamic topology, distributed cooperation and constrained capability. In this paper, the authors simulate the blackhole attack which is one of the possible attacks on AODV routing protocol in mobile ad hoc networks by the help of Network Simulator (NS-2).The simulation results show the packet loss, throughput, and end-to-end delay with blackhole and without blackhole on AODV in MANET.
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