Protection against Distributed Denial of Service Attack (DDOS) Using Secure Code Propagation in the Vehicular Adhoc Networks (VANETs)

VANETs are the vehicular networks used to connect the vehicles together to share their information with each other in the cluster. The hackers are used to attack VANETs with various means of attacks. Many security techniques are used to mitigate the risks caused by the attacks to cause ill-effects to the traffic movement on the roads. VANETs are also being used for the automatically driven vehicles in the controlled environments. Whereas the human vehicles use the VANETs for extra facility, the automatically driven vehicles completely depend upon the VANETs. Any incursion in the VANETs by hackers can cause major accidents or traffic chaos. A popular technique known as prankster attack is used by militants to plot attacks to cause more damage as possible or by selfish drivers to make their way clear. In this paper, we have proposed a strong security framework to mitigate threats caused by DDoS attack by using road side traffic management unit (RTMU). The RTMU is using various mathematical computations for traffic pattern analysis to detect the abnormality in data traffic between the cluster nodes. All of the nodes in the scenario are GPS location aware nodes and sharing their location actively with RTMU. Also all of the VANET nodes communicate with each other through RTMU. The results have shown the effectiveness of the proposed model to mitigate the DDoS attack and facilitate smooth traffic movement.