Secure data communication in Vehicular ad hoc networks

Abstract

The Vehicular ad hoc networks VANET a subclass of Mobile ad newlinehoc networks MANET is an important technology used for improvement of newlineIntelligent transportation system ITS VANET facilitates communication newlineand coordination between vehicle drivers which helps to prevent road newlineaccidents traffic congestion etc In addition VANET also provides other newlineluxuries like internet access weather information mobile e commerce and newlinemultimedia applications newlineVANET s architecture hosts three units Road side unit RSU On newlineboard unit OBU and a suitable infrastructure which in combination enables newlinecommunication and coordination between users and connectivity to the newlineInternet Specifically VANET allows communication between road vehicle newlineIn transit and inter vehicle focusing on road safety and security However newlineVANET is associated with security concerns related to confidentiality newlineintegrity and possibility of unauthorised data elimination Security and newlineprivacy issues are the foremost concerns amongst the VANET newlinecommunications This needs a high degree of liability from its participating newlinevehicles nodes in the network newline newline