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A Survey on Routing Protocols in Vehicular Ad Hoc Networks

Viswacheda Duduku, V Ali Chekima, Farrah Wong, Jamal Ahmad Dargham

Recently vehicular ad hoc networks is getting more interest in the industry and academic research field due to promisingdedicated short range communications operating in 5.9GHz band. Vanet is a special class of mobile ad hoc networks which provides communication between vehicles to vehicles and vehicles to road side unit forming an Intelligent Transport System (ITS). Routing plays an important role in communication between mobile nodes such as vehicles or cars to broadcast the information in the form of data packets to the receiver nodes successfully without errors. There are various routing protocols presently exist in vanet based on topology, position,broadcast, clustering, geocast. This paper discusses the performance of those protocols in different road scenarios and list the merits and demerits and conclude the challenges facing in the present day research of VANET.