COMPARATIVE EVALUATION OF AODV, OLSR, AND DSDV ROUTING PROTOCOL PERFORMANCE IN MANET USING NS-3
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Abstract
Performance comparisons were conducted between three widely used routing protocols in mobile ad hoc networks (MANETs): destination sequenced distance vector (DSDV), optimized link state routing (OLSR), and ad hoc on-demand distance vector (AODV). We evaluate the protocols using the NS 3 simulation environment by looking at important “metrics for performance such as throughput, end to end latency, and packet delivery ratio (PDR)” under different network conditions like node density and mobility. The results reveal that AODV consistently achieves the highest PDR and throughput, particularly in dynamic environments, while maintaining a lower end to end delay compared to DSDV and OLSR. OLSR, with its proactive approach, demonstrates robust performance in high density scenarios, although it incurs higher overhead. DSDV, while straightforward in its operation, struggles with scalability and adaptability, leading to suboptimal performance in highly mobile networks. This analysis provides essential insights into the operational characteristics of these protocols, aiding in the selection of appropriate routing strategies for diverse MANET applications.
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