Mobility

Preemptive Ad-Hoc On-demand Multipath Distance Vector Routing for Mobile Ad-Hoc Networks

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Executive Summary

An ad-hoc network will often change rapidly in topology, this courses for routes in the network to often disappear and new to arise. The Ad-hoc On-demand Distance Vector routing protocol (AODV), is based on the principle of discover routes as needed. In this paper, the authors will extend the definition of AODV with the ability to discover multiple routes to a host and switch between them, if an active route is becoming weak and there is a risk that it will disappear. They will refer to it as "Pre-emptive AOMDV". They will show that the performance of pre-emptive AOMDV do handle changes in topology better than AODV itself. To show the effect of extending AODV, the suggested protocol is implemented in a simulator.

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