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Review To Detect and Isolate Malicious Vehicle in VANET

Vehicular ad hoc networks (VANETs) are more increasing attentions from academia and deployment efforts from industry, due to the various applications and potential tremendous benefits they offer for future VANET users.VANET does not have any fixed topology and the nodes move from one location to another. To transfer a packet from sender to receiver it should follow a routing mechanism and data can be transferred securely. Many challenges and security attack are in VANET. The application for that which basically for the road side vehicle and transport system for no collision and avoid accident in real life. The data can be route using low cost path in network.so that the route should be trusted and nodes could not be compromised. In this paper we discuss about routing protocol and security attack in VANET.Isolate possible attack on VANET and prevent it with numerous techniques