Survey of Detection Techniques for DOS Attack in VANET

VANET is an application of mobile ad hoc network. More precisely a VANET is self-organised network that formed by connecting vehicle and aiming to improve driving safety and traffic management with internet access by drivers and programmers. So that security of the VANET is a critical issue. In VANET it is necessary that the network is mostly available all the time for the vehicles and RSU (Road Side Units). VANET faces several security issues due to which the network gets damaged and the services of the network may unavailable to the respective users or sometimes the wrong message of altered message passed during the communication. This type of security issues may lead in the failure of the network. Among all the attacks in the VANET, the DOS attack is very serious attack by which the services of the network get jammed and they cannot reach to the proper destination on time. Here, in this paper we analyze the different methods to detect the DOS attack in VANET.