Abstract

This paper proposes a multipath AODV routing protocol, where the routing information is obtained from the multiple paths which the routing messages go through. The AODV (Ad-hoc On-demand Distance Vector) routing algorithm is one of the most widely used routing protocols in wireless ad-hoc networks which are composed of mobile nodes. We improve the AODV routing algorithm by investigating the weakness of it and modifying the existing AODV. AODV, which obtains the routing information by the route discovery procedure, a node may not have all the routing information. So when it needs to send packets, it may have to initiate the route discovery procedure and delay the delivery of the packets. The proposed routing protocol increases the reliability in routing packets by using multiple paths from a source to a destination. It performs well in a small-size wireless ad-hoc network and reduces the number of control messages when a link is broken.

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