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. 2022;11(1):6.
doi: 10.1186/s13677-022-00278-6. Epub 2022 Jan 31.

Performance evaluation of publish-subscribe systems in IoT using energy-efficient and context-aware secure messages

Norisvaldo Ferraz Junior  1 , Anderson A A Silva  1   2   3   4 , Adilson E Guelfi  5 , Sergio T Kofuji  1
Affiliations

Performance evaluation of publish-subscribe systems in IoT using energy-efficient and context-aware secure messages

Norisvaldo Ferraz Junior et al. J Cloud Comput (Heidelb). 2022.

Abstract

Background: The Internet of Things (IoT) enables the development of innovative applications in various domains such as healthcare, transportation, and Industry 4.0. Publish-subscribe systems enable IoT devices to communicate with the cloud platform. However, IoT applications need context-aware messages to translate the data into contextual information, allowing the applications to act cognitively. Besides, end-to-end security of publish-subscribe messages on both ends (devices and cloud) is essential. However, achieving security on constrained IoT devices with memory, payload, and energy restrictions is a challenge.

Contribution: Messages in IoT need to achieve both energy efficiency and secure delivery. Thus, the main contribution of this paper refers to a performance evaluation of a message structure that standardizes the publish-subscribe topic and payload used by the cloud platform and the IoT devices. We also propose a standardization for the topic and payload for publish-subscribe systems.

Conclusion: The messages promote energy efficiency, enabling ultra-low-power and high-capacity devices and reducing the bytes transmitted in the IoT domain. The performance evaluation demonstrates that publish-subscribe systems (namely, AMQP, DDS, and MQTT) can use our proposed energy-efficient message structure on IoT. Additionally, the message system provides end-to-end confidentiality, integrity, and authenticity between IoT devices and the cloud platform.

Keywords: Context-aware messages; IoT; Publish-subscribe; Security; WSN.

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Conflict of interest statement

Competing interestsThe authors declare that they have no competing interests.

Figures

Fig. 1
Fig. 1
LWPubSub context-aware and secure message using publish-subscribe systems
Fig. 2
Fig. 2
IoT device’s platform comparison regarding battery life, end-to-end data transmission to the cloud, payload length, QoS, range, and scalability
Fig. 3
Fig. 3
Structure of the LWPubSub message structure for publish-subscribe messages
Fig. 4
Fig. 4
Experimental scenario
Fig. 5
Fig. 5
Header overhead using LWPubSub messages
Fig. 6
Fig. 6
Topic results comparison with the main related works
Fig. 7
Fig. 7
Message size comparison with the main related works
Fig. 8
Fig. 8
Energy consumption to send measurements and receive commands
Fig. 9
Fig. 9
Daily energy consumption of IoT devices
Fig. 10
Fig. 10
Ultra-low-power devices battery lifetime on the evaluated poll frequencies
See this image and copyright information in PMC

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