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BENBI: Scalable and Dynamic Access Control on the Northbound Interface of SDN-Based VANET - 2018

BENBI: Scalable and Dynamic Access Control on the Northbound Interface of SDN-Based VANET

Research Area:  Vehicular Ad Hoc Networks


Recently, emerging SDN-based VANET (i.e., vehicular ad hoc network based on software-defined networking) enables VANET management to be programmable and flexible. It introduces SDN controllers to maintain network-wide resources and SDN applications to program configurations through arbitrarily accessing resources via the northbound interface (NBI). However, this brings with it security issues on the NBI, such as network-wide resource exposure and configuration manipulation. Most of the existing works employed permission systems to restrict resource access; these solutions are generally controller-dependent, which means controller codes need to be modified for giving access permissions to external applications. In this paper, we propose a scalable and dynamic access control scheme on the NBI for SDN-based VANET, named BENBI. In the proposed scheme, we dynamically and flexibly control network resources by employing broadcast encryption, rather than altering source codes of the controller or updating permission lists with various degrees of granularity. Moreover, the resources are encrypted during transmission so that they are only available to authorized applications. Finally, we implement a prototype of BENBI. The experimental results demonstrate that the cost of allocating secret keys is independent of the number of SDN entities being appointed, which indicates the scalability of our scheme


Author(s) Name:  Jia-Si Weng; Jian Weng; Yue Zhang; Weiqi Luo; Weiming Lan

Journal name:  IEEE Transactions on Vehicular Technology

Conferrence name:  

Publisher name:  IEEE

DOI:  10.1109/TVT.2018.2880238

Volume Information:  ( Volume: 68, Issue: 1, Jan. 2019) Page(s): 822 - 831