RRP: A robust routing protocol for Vehicular Ad Hoc Network against hole generation attack

Vehicular Ad Hoc Network (VANET) is a challenging area of research in the field of vehicular technology. It is an emerging topic for its high mobility and high link disruption. But if link disruption is due to the malicious drivers in the network then it reduces the performance of the network. Hole Generation attack is a kind of attack in which the malicious drivers breaks the communication links between the vehicles by increasing or decreasing their own speeds when they are a part of the network. In this paper, we proposed a Robust Routing Protocol (RRP) to send the message securely from source to destination by surviving from the hole generation attack. RRP consists of a security module to recognize a genuine node and a recovery module to resist the hole created by the malicious drivers. RRP network model is mainly divided into three phases: first phase is the hole detection phase in which the hole is detected, in the second phase hole information is broadcasted in the whole network and in the third phase the data is transmitted from source to destination by selecting a secure optimal path. Simulation result shows RRP performs better than GPSR when security and recovery is considered. It has a high packet delivery ratio when malicious drivers are considered in the network.