Enhancing the quality of service using M-AODV protocol in MANETs

Mobile Ad hoc Networks (MANETs) is a type of wireless ad-hoc network which is a self-arranging network of mobile nodes connected by wireless links which creates a discretionary topology. The mobile nodes are free to move randomly and to arrange themselves in a random manner. Thus, the wireless ad hoc network topology may expand rapidly and unpredictably. In Mobile Adhoc networks, the routing protocol plays an important role in improving Quality of Service (QoS). There are many different types of routing protocols such as reactive, proactive and hybrid. The AODV is a reactive routing protocol which establishes routes on-demand, as they are needed. In this paper, we described a new protocol based on the AODV which gives better performance than the original AODV routing protocol with respect to set of performance metric such as a packet delivery ratio, throughput, energy consumption and overhead, under different conditions. The proposed routing protocol Modified Ad-Hoc On-Demand Distance Vector (M-AODV) describes that the new operation for routing path reconstruction should be made from the source. It also explains a new method for identifying multiple disjoint routes. Performance analysis of routing protocol designed for wireless networks has been very challenging. Hence, simulations are always utilized to obtain the desired performance results. Simulations were performed by Network Simulator (NS2).