A Vehicular Cloud for Secure and QoS Aware Service Provision
The Vehicular Cloud (V-Cloud) is a new technology that will have impact on traffic management and road safety. It enables the release of various reliable and low cost services, including on board advertisement, multimedia, and traffic management. This pap
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Abstract The Vehicular Cloud (V-Cloud) is a new technology that will have impact on traffic management and road safety. It enables the release of various reliable and low cost services, including on board advertisement, multimedia, and traffic management. This paper presents a secure and QoS aware three-layer Vehicular Cloud architecture enabling a tree-based connection of vehicles to the network. We propose a certificate based authentication and privacy preservation protocol for secure vehicular communication. The proposed protocol allows generating and using public key certificate with zone based temporal vehicles identities to prevent Sybil and Tracking attacks. Keywords Vehicular Cloud
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Security
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Sybil attacks
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Qos
1 Introduction The development of Vehicular Ad-hoc Networks (VANET) has brought the concept of Vehicular Cloud (V-Cloud) which made it possible to release different scalable and reliable services. However, the delivery of these services raises several challenges. In fact, seamless connectivity, capable of handling the Quality of Service (QoS) requirements and value added services constraints (e.g., reducing delays and jitter), is needed. Moreover, Security and privacy problems need to be addressed if V-Clouds will be widely adopted. Many forms of security attacks against V-Cloud have emerged which could affect the privacy, the resource M. Garai ⋅ S. Rekhis (✉) ⋅ N. Boudriga Communication Networks and Security Research Lab (CNAS), University of Carthage, Tunis, Tunisia e-mail: [email protected] M. Garai e-mail: [email protected] N. Boudriga e-mail: [email protected] © Springer Science+Business Media Singapore 2017 R. El-Azouzi et al. (eds.), Advances in Ubiquitous Networking 2, Lecture Notes in Electrical Engineering 397, DOI 10.1007/978-981-10-1627-1_17
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availability, and the anonymity of users. Among these attacks, we distinguish Sybil attacks, by which malicious vehicles could forge and claim multiple identities at the same time to disturb the traffic routing and prepare for denial of service or selfish attacks. The security challenges for VANET clouds have not yet been addressed widely in the literature and the main challenges are expected to be the same faced by VANET and cloud computing. However, authors in [1] identified and analyzed a number of security and privacy challenges in vehicular cloud. Several challenges resulting by vehicular clouds’ features, e.g., authentication of highly mobile nodes and complex trust relationships between vehicles in multi-hop connections, are discussed. Moreover, a directional security scheme is described to provide an appropriate security architecture and overcome some security and privacy challenges in vehicular clouds. The authors recommended that future works should provide feasible security and privacy solutions in vehicular cloud. In [2], authors were interested in analyzing the security challenges and the potential privacy threats in Vehicular Cloud Computing (VCC). They addressed some major design issues th
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