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Abstract
Mobile Ad-hoc network (MANET) provides a new dimension in the field of wireless networks. There is an absence of any sort of centralized support. No fixed infrastructure is present to provide specific paths to the mobile nodes. Mobility of the nodes and the instability of the links are the core issues that need to be addressed. Ergo, to put up with such environment, a robust routing protocol is required. The paper addresses the comparison between three reactive routing protocols, Ad-hoc On-Demand Distance Vector Routing, Temporally Ordered Routing Algorithm and Dynamic Source Routing. Their performance is judged on the basis of two parameters: node density and node mobility using OPNET 14.5 modeler. The results show that AODV proves to be the best candidate.