V. Quincozes, S. Quincozes, and J. Kazienko. " On the Symmetrical Encryption Overhead in Internet of Things: A Quantitative Comparison between MQTT and CoAP Protocols", in Proceedings of the 20th Workshop on Performance of Computer and Communication Systems, Evento Online, 2021, pp. 13-24, doi: https://doi.org/10.5753/wperformance.2021.15719.