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The cost of link layer security in IoT embedded devices

The cost of link layer security in IoT embedded devices
The cost of link layer security in IoT embedded devices

Security of Internet of Things (IoT) devices is important for the acceptance of IoT applications. Several security mechanisms have been proposed, however, due to the limited resources in IoT devices, their overhead should be evaluated carefully. Many existing security solutions have been evaluated by simulation. However, with the increasing deployment of real nodes, a more accurate result based on real hardware is necessary. This research aims to evaluate the impact of applying security features of IEEE 802.15.4 on example hardware. The evaluation includes the impact on the Microcontroller Unit (MCU), radio, latency, packet throughput and transmission power. The results show that enabling software security services impact limited devices significantly. This impact could be translated into a decrease in throughput to almost 44%, an increase in latency and energy consumption to almost 197% and 86% respectively with maximum security level. The outcome of this paper is intended to benefit network designers and researchers by allowing them to model security overhead, allowing them to choose the security level, if enabled, which suits their application requirements.

Hardware Security Evaluation, IEEE 802.15.4 Security, IoT security, Security Evaluation, WSN Link Layer Security
2405-8963
72-77
Alharby, S.
499b9e0a-ab81-4e80-8aff-1f52ae6d2afd
Weddell, A.
3d8c4d63-19b1-4072-a779-84d487fd6f03
Reeve, J.
0536a952-5671-43d3-9023-060b13c563ae
Harris, N.
21a6c602-b9d5-4199-9297-9dea410db655
Alharby, S.
499b9e0a-ab81-4e80-8aff-1f52ae6d2afd
Weddell, A.
3d8c4d63-19b1-4072-a779-84d487fd6f03
Reeve, J.
0536a952-5671-43d3-9023-060b13c563ae
Harris, N.
21a6c602-b9d5-4199-9297-9dea410db655

Alharby, S., Weddell, A., Reeve, J. and Harris, N. (2018) The cost of link layer security in IoT embedded devices. IFAC-PapersOnLine, 51 (6), 72-77. (doi:10.1016/j.ifacol.2018.07.132).

Record type: Article

Abstract

Security of Internet of Things (IoT) devices is important for the acceptance of IoT applications. Several security mechanisms have been proposed, however, due to the limited resources in IoT devices, their overhead should be evaluated carefully. Many existing security solutions have been evaluated by simulation. However, with the increasing deployment of real nodes, a more accurate result based on real hardware is necessary. This research aims to evaluate the impact of applying security features of IEEE 802.15.4 on example hardware. The evaluation includes the impact on the Microcontroller Unit (MCU), radio, latency, packet throughput and transmission power. The results show that enabling software security services impact limited devices significantly. This impact could be translated into a decrease in throughput to almost 44%, an increase in latency and energy consumption to almost 197% and 86% respectively with maximum security level. The outcome of this paper is intended to benefit network designers and researchers by allowing them to model security overhead, allowing them to choose the security level, if enabled, which suits their application requirements.

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e-pub ahead of print date: 3 September 2018
Published date: 2018
Keywords: Hardware Security Evaluation, IEEE 802.15.4 Security, IoT security, Security Evaluation, WSN Link Layer Security

Identifiers

Local EPrints ID: 426583
URI: http://eprints.soton.ac.uk/id/eprint/426583
ISSN: 2405-8963
PURE UUID: 86b31408-3d79-4d41-afb3-b5ab8d61f87f
ORCID for A. Weddell: ORCID iD orcid.org/0000-0002-6763-5460

Catalogue record

Date deposited: 30 Nov 2018 17:30
Last modified: 20 Jul 2019 00:54

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Contributors

Author: S. Alharby
Author: A. Weddell ORCID iD
Author: J. Reeve
Author: N. Harris

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