Mobility

Existing Security Mechanisms in MANET

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Executive Summary

Wireless mobile ad-hoc network is a group of mobile nodes connected with each other in a scattered manner. There is no fixed topology used to connect mobile nodes. In mobile ad-hoc networks the topology changes rapidly, due to movement of mobile nodes. Some protocols are invented for routing in mobile ad-hoc network e.g., AODV, DSDV, SAODV, DSR, ARAN etc. Mobile ad-hoc networks challenges various kinds of security problems, caused by their nature of cooperative and open systems and by limited availability of resources, due to its dynamic topology fundamental cooperation, lack of association, resource constrained and physical vulnerability of node, in mobile ad-hoc networks two types of attacks can be possible, routing attacks and data forwarding attack.

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