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Sensors 2017, 17(11), 2646; https://doi.org/10.3390/s17112646

A CoAP-Based Network Access Authentication Service for Low-Power Wide Area Networks: LO-CoAP-EAP

1
Department Information and Communication Engineering (DIIC), Faculty of Computer Science, University of Murcia, 30100 Murcia, Spain
2
Acklio, 2 BIS rue de la Chataigneraie, 35576 Cesson-Sevigne, France
3
Institut MINES TELECOM, TELECOM Bretagne, 2 rue de la Chataigneraie CS 17607, 35576 Cesson-Sevigne CEDEX, France
*
Author to whom correspondence should be addressed.
Received: 26 September 2017 / Revised: 3 November 2017 / Accepted: 13 November 2017 / Published: 17 November 2017
(This article belongs to the Special Issue Security, Trust and Privacy for Sensor Networks)
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Abstract

The Internet-of-Things (IoT) landscape is expanding with new radio technologies. In addition to the Low-Rate Wireless Personal Area Network (LR-WPAN), the recent set of technologies conforming the so-called Low-Power Wide Area Networks (LP-WAN) offers long-range communications, allowing one to send small pieces of information at a reduced energy cost, which promotes the creation of new IoT applications and services. However, LP-WAN technologies pose new challenges since they have strong limitations in the available bandwidth. In general, a first step prior to a smart object being able to gain access to the network is the process of network access authentication. It involves authentication, authorization and key management operations. This process is of vital importance for operators to control network resources. However, proposals for managing network access authentication in LP-WAN are tailored to the specifics of each technology, which could introduce interoperability problems in the future. In this sense, little effort has been put so far into providing a wireless-independent solution for network access authentication in the area of LP-WAN. To fill this gap, we propose a service named Low-Overhead CoAP-EAP (LO-CoAP-EAP), which is based on previous work designed for LR-WPAN. LO-CoAP-EAP integrates the use of Authentication, Authorization and Accounting (AAA) infrastructures and the Extensible Authentication Protocol (EAP) protocol. For this integration, we use the Constrained Application Protocol (CoAP) to design a network authentication service independent of the type of LP-WAN technology. LO-CoAP-EAP represents a trade-off between flexibility, wireless technology independence, scalability and performance in LP-WAN. View Full-Text
Keywords: lightweight; network access authentication; IoT; LP-WAN; CoAP; EAP; AAA lightweight; network access authentication; IoT; LP-WAN; CoAP; EAP; AAA
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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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Garcia-Carrillo, D.; Marin-Lopez, R.; Kandasamy, A.; Pelov, A. A CoAP-Based Network Access Authentication Service for Low-Power Wide Area Networks: LO-CoAP-EAP. Sensors 2017, 17, 2646.

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