PERFORMANCE ANALYSIS OF VARIOUS ROUTING PROTOCOLS WITH CONSTANT NETWORK SIZE IN MANET

Abstract

Ad-hoc network is a collection of wireless mobile nodes where wireless radio interface connects each device in a MANET to move freely, independently and randomly. Routing protocols in mobile ad hoc network helps to communicate source node with destination node by sending and receiving packets. Many protocols are developed in this field but it is not easier to decide which one is winner. In this paper the behaviour of three routing protocols AODV (Ad-hoc on demand distance vector), DSR (Dynamic Source Routing), DYMO (Dynamic MANET on demand), based on IEEE 802.11 protocol are analysed and compared using QualNet simulator on the basis of performance metrics such as average jitter, total packets received, packet delivery ratio, end-to-end delay, and throughput. To test competence and effectiveness of all three protocols under diverse network scenarios costing is done by means varying load by varying CBR data traffic load, and constant Nodes. Finally, results are scrutinized in from different scenarios to provide qualitative assessment of the applicability of the protocols.