Performance Evaluation of Secure on-Demand Routing Protocols for Mobile Ad-hoc Networks

With the passage of time and increase in the need for mobility wireless or mobile networks emerged to replace the wired networks. This new generation of networks is different from the earlier one in many aspects like network infrastructure, resources and routing protocols, routing devices etc. These networks are bandwidth and resource constrained with no network infrastructure and dedicated routing devices. Moreover, every node in such networks has to take care of its routing module itself. These characteristics become reasons for the importance of security in mobile ad-hoc networks as there is very high probability of attacks in such networks. Some work has been done to compare different protocols on basis of security but keeping in view the resource limitations in such networks, evaluation based on networking context is also important. We evaluate the overall performance overhead associated with secure routing protocols for mobile ad-hoc networks (MANETs). We implement the secure ad-hoc on-demand distance vector routing protocol (SAODV) extensions with AODV in the network simulator 2 (NS-2) and use the Monarch project implementation of Ariadne for our evaluation purpose. We try to figure out the amount of extra work a mobile node has to do in order to operate securely