Abstract
MANET has become one of the most economical means of group communication where other means of communications are either not feasible or very expensive. Traffic pattern plays a key role in achieving the quality of service (QoS) in various applications of the MANET. In this paper, Constant Bit Rate (CBR) and Variable Bit Rate (VBR) traffic patterns with varying density of nodes are considered to observe the performance of Multicast MAODV, PUMA, and ODMRP in terms of QoS parameters such as end-to-end (E2E) delay, routing load and packet delivery ratio (PDR) to propose and design the new multicast routing protocols in future. From the analysis, it is observed that it is difficult to rank the multicast protocols on the basis of performance under CBR and VBR, but the overall performance of ODMRP multicast protocols is more optimized than PUMA and MAODV under CBR than VBR.
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