Improving AODV Performance Using Dynamic Density Driven Route Request Forwarding
Ad-hoc routing protocols use a number of algorithms for route discovery. Some use flooding in which a Route REQuest packet (RREQ) is broadcasted from a source node to other nodes in the network. This often leads to unnecessary retransmissions, causing congestion and packet collisions in the network, a phenomenon called a broadcast storm. This paper presents a RREQ message forwarding scheme for AODV that reduces routing overheads. Greater efficiency is achieved in high density network and marginal improvement in networks with a small number of nodes.