A mobile ad hoc network is a collection of wireless nodes without any fixed structure and connected with each other through wireless links. MANETs have self-organized topology in which mobile nodes are free to move, as a result establishing a stable and reliable network is a difficult and critical task. Nodes in Nobile Ad-hoc network acts as sender, receiver and router for communicating data and control packets. Using NS-2 simulator Performance of AODV, DSDV and DSR is analyzed under varying pause time in this paper. Performance of these routing protocols are analyzed on the base of following performance metrics: packet delivery ratio, average end to end delay, throughput, no of sent packets, no of receive packets, no of routing packets, normalized routing load and no of dropped packets under variant Pause time. Results of Comparison analysis of Routing Protocols are generated with the help of Simulation in the form of graphs. The simulation result shows the significance of each protocol in different situations. We believe that this study will provide comprehensive comparative study of AODV, DSR and DSDV based on varying pause time at one place, which will help the researcher to further investigate any particular metrics value of particular protocol.
Presented by: Muhammad Zafar IqbalThis research revolves around the development, simulation and analysis of a Multiple Path Constraint, Quality of Service Routing Algorithm. It enhances the capability of Dijkstra's Algorithm in the sense that as against the original version it considers two constraints (delay and bandwidth), instead of one (hop count) during the computation of optimal path. This enables selection of QoS path in accordance with relevant traffic type and avoiding the development of congested links. The problem of computational complexity associated with Multiple-Constraint path computation was also addressed by analyzing the application of a heuristic approach aimed at reducing the search space that causes the problem while the algorithms is being executed. Also included, is the presentation of methodology and observations of the simulation and analysis of the proposed ideas.
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