Decentralizing SDN's control plane

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Abstract

Motivated by the internets of the future, which will likely be considerably larger in size as well as highly heterogeneous and decentralized, we propose Decentralize-SDN, D-SDN, a framework that enables not only physical- but also logical distribution of the Software-Defined Networking (SDN) control plane. D-SDN accomplishes network control distribution by defining a hierarchy of controllers that can 'match' an internet's organizational- and administrative structure. By delegating control between main controllers and secondary controllers, D-SDN is able to accommodate administrative decentralization and autonomy.It incorporates security as an integral part of the framework. This paper describes D-SDN and presents two use cases, namely network capacity sharing and public safety network services.

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Santos, M. A. S., Nunes, B. A. A., Obraczka, K., Turletti, T., De Oliveira, B. T., & Margi, C. B. (2014). Decentralizing SDN’s control plane. In Proceedings - Conference on Local Computer Networks, LCN (pp. 402–405). IEEE Computer Society. https://doi.org/10.1109/LCN.2014.6925802

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