Security Requirements and Mechanisms in Vehicular Ad-Hoc Networks (VANET)

In recent years, Vehicles are becomes the more intellectual system which is operated with the help of radio communications. Thus the vehicles are formed the network for communications based on the mobile Ad- hoc network (MANET) which is called as Vehicular Ad-hoc Network (VANET). However security in Vehicular Ad-hoc Networks (VANET) should become great challenges, due to communication development, because of dynamically changing protocols, high mobility of vehicles and also high partitioned network. In this paper we address the security requirements of vehicles and needed mechanisms to avoid the threats and attacks in VANET.