Improved Multicast AODV: A Review

A MANET is a mobile ad-hoc network. It allows mobile nodes to set up a temporary network for instant communication without any fixed infrastructure. Nodes with high mobility exchange information very frequently. Many applications such as video conferencing, video-on-demand services, and distributed database applications require multicast communications. Reliable multicast is one of the basic requirements in a MANET for which better routing protocols have to be developed for disaster management, emergency relief, and mobile conferencing and many other applications. As mobile terminals change its position too, frequently, hence, multicast routes have to be updated frequently. This poses several challenges to provide an efficient multicast routing. In this paper, we have reviewed an Improved Multicast Ad hoc On Demand Distance Vector (IMAODV) protocol based on Adhoc On Demand Distance Vector (AODV) and Multicast AODV (MAODV) protocol to support reliability and multicasting for on-line routing of delivery-guaranteed multicasts. Paper reveals that IMAODV performs better in terms of Packet Delivery Ratio (PDR), average End-to-End delay and Network Routing Load (NRL) compared to both AODV and MAODV.

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