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Sensors 2019, 19(2), 295; https://doi.org/10.3390/s19020295

Enabling Virtual AAA Management in SDN-Based IoT Networks

1
Department of Information and Communications Engineering, University of Murcia, 30100 Murcia, Spain
2
Department of Research and Innovation, Odin Solutions, 30820 Murcia, Spain
*
Author to whom correspondence should be addressed.
This paper is an extended version of our paper published in A.M. Zarca, D.G. Carrillo, J. Ortiz, R.M. Perez, A. Skarmeta. “Managing AAA in NFV/SDN-enabled IoT scenarios”. IEEE Global IoT Summit (GIoTS) 2018.
These authors contributed equally to this work.
Received: 14 December 2018 / Revised: 4 January 2019 / Accepted: 9 January 2019 / Published: 12 January 2019
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Abstract

The increase of Software Defined Networks (SDN) and Network Function Virtualization (NFV) technologies is bringing many security management benefits that can be exploited at the edge of Internet of Things (IoT) networks to deal with cyber-threats. In this sense, this paper presents and evaluates a novel policy-based and cyber-situational awareness security framework for continuous and dynamic management of Authentication, Authorization, Accounting (AAA) as well as Channel Protection virtual security functions in IoT networks enabled with SDN/NFV. The virtual AAA, including network authenticators, are deployed as VNF (Virtual Network Function) dynamically at the edge, in order to enable scalable device’s bootstrapping and managing the access control of IoT devices to the network. In addition, our solution allows distributing dynamically the necessary crypto-keys for IoT Machine to Machine (M2M) communications and deploy virtual Channel-protection proxys as VNFs, with the aim of establishing secure tunnels among IoT devices and services, according to the contextual decisions inferred by the cognitive framework. The solution has been implemented and evaluated, demonstrating its feasibility to manage dynamically AAA and channel protection in SDN/NFV-enabled IoT scenarios. View Full-Text
Keywords: IoT; SDN; NFV; channel protection; bootstrapping; AAA; security policies IoT; SDN; NFV; channel protection; bootstrapping; AAA; security policies
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Molina Zarca, A.; Garcia-Carrillo, D.; Bernal Bernabe, J.; Ortiz, J.; Marin-Perez, R.; Skarmeta, A. Enabling Virtual AAA Management in SDN-Based IoT Networks . Sensors 2019, 19, 295.

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