Survey the Security Function of Integration of vehicular ad hoc Networks with Software-defiend Networks

In recent years, Vehicular Ad Hoc Networks (VANETs) have emerged as one of the most active areas in the field of technology to provide a wide range of services, including road safety, passenger's safety, amusement facilities for passengers and emergency facilities. Due to the lack of flexibility, complexity and high dynamic network topology, the development and management of current Vehicular Ad Hoc Networks faces many challenges. To simplify network management of the current networks, the architecture of the software defined networks is introduced, which this architecture reduces the complexity of the networks by decoupled the control plane from the data plane. Software defined networks with flexibility and programmable capabilities can help the performance and management requirements for VANETs. In this paper, we focus on the possibility of using software defined networks in a Vehicular ad hoc network environment. First the architecture of VANET based on software defined networks and its operational mode is examined, then the benefits and services which are described by this architecture are presented.  Finally, some of the potential challenges in the architecture of Software defined vehicular ad hoc networks are expressed.