Abstract
The continuous spreading of innovative applications and services, based on the emerging Internet of Things (IoT) paradigm, leads to the need of even more efficient network architectures/infrastructures, in order to support the huge amount of information to be transmitted in real-time. Hence, new protocols and mechanisms must be conceived to allow the IoT network to be more reactive towards environmental changes and in promptly satisfying the IoT users’ requests. Aiming at dealing with the emerged issues, the paper presents an efficient IoT platform, which, thanks to fog computing principles, acts as a middleware layer between data producers and consumers; it adopts a security-aware publish&subscribe protocol, based on MQTT, coupled with a network of brokers, for efficiently sharing the processed information with end-users. Transmitted data are kept secure under an enforcement framework based on sticky policies. A test campaign is conducted on a prototypical implementation of the just mentioned platform, for preliminary evaluating its efficiency, in terms of computing effort and latency.
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Notes
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- 2.
OASIS, MQTT v5 protocol specification, https://docs.oasis-open.org/mqtt/mqtt/v5.0/mqtt-v5.0.html.
- 3.
- 4.
- 5.
- 6.
Mosquitto broker, http://mosquitto.org.
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Sicari, S., Rizzardi, A., Grieco, L.A., Coen-Porisini, A. (2020). Testing and Evaluating a Security-Aware Pub and Sub Protocol in a Fog-Driven IoT Environment. In: Grieco, L.A., Boggia, G., Piro, G., Jararweh, Y., Campolo, C. (eds) Ad-Hoc, Mobile, and Wireless Networks. ADHOC-NOW 2020. Lecture Notes in Computer Science(), vol 12338. Springer, Cham. https://doi.org/10.1007/978-3-030-61746-2_14
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