A SURVEY ON VEHICULAR AD-HOC NETWORK

Recent advances in communication technology are enabling implementation of different types of network in various environments. One such network is Vehicular Ad-hoc Network (VANET). It is a challenging subclass of Mobile Ad-hoc Network (MANET) which enables intelligent communication among vehicles and also between vehicle and roadside infrastructures. It is a promising approach for the Intelligent Transport System (ITS). There are many challenges to be addressed when employing VANET. It has a very high dynamic topology and constrained mobility which makes the traditional MANET protocols unsuitable for VANET. The aim of this paper is to give an overview of the vehicular ad-hoc networks and the existing VANET routing protocols.