A behavioral study of Sybil attack on vehicular network

Reliable message transmission through multi-hoping in wireless network is emerging area of research. It is very difficult if nodes move with high speed. A wireless Network category in three ways Mobile Ad-hoc Network (MANET), Static Ad-hoc Network (SANET) and Vehicular Ad-hoc network (VANET) in this VANET required sufficient research. VANET is having a positive approach to get better management and safety in road traffic that gives various ranges of valuable services. The safety and security of messages is the precious requirements for vehicular network. Security and privacy of the messages are the two concerns motivating strong vehicular network designs. This paper presents routing protocols, and the network threats that can be exploited the working performance of VANET. This paper also describes comparative performance of routing protocol in presence of Sybil.