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Impact of High Density and High Speed on AODV and DSR Routing Protocols

Mobile Ad Hoc Networks (MANET) allow versatile communication between hosts that are moving around. Routing of packets in such networks, which have no fixed infrastructure, is a continuing challenge. As the number of nodes in an area increases, the scope for increased interference between nodes increases. Also as nodes move around faster, the stability of links, i.e. their longevity, is reduced. We investigate the effects of high density and mobility on the performance of two well knows routing protocols, AODV and DSR. As density increases, AODV shows less increase in overhead than DSR, but neither protocol behaves well for highly populated networks. Preliminary results show that neither protocol is particularly effective, but that AODV is uniformly better than DSR in highly mobile or high density networks. Keywords-MANET, Mobility, Density, AODV, DSR.