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MANETs, CBR, AODV, DSR, ZRP, DYMO

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. Lots of protocols are developed in this field but it is not easier to decide which one is winner. In this paper, we present investigations on the behavior of five routing protocols AODV (Ad hoc On demand distance vector), DSR (Dynamic Source Routing), DYMO (Dynamic MANET On demand), OLSR (Optimized link state routing) and ZRP (Zone routing protocol) based on IEEE 802.11CSMA/CA MAC protocol are analyzed 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, Throughput, Average Queue Length, Average time in Queue, dropped packets due to non availability of routes and Energy consumption in transmit and receive Mode. To test competence and effectiveness of all five protocols under diverse network scenarios costing is done by means varying load by varying CBR data traffic load, changing number of Nodes and mobility. Finally results are scrutinized in from different scenarios to provide qualitative assessment of the applicability of the protocols.