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Multimedia Systems

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14.07.2020 | Regular Paper

MQTT-SN, CoAP, and RTP in wireless IoT real-time communications

verfasst von: Rolando Herrero

Erschienen in: Multimedia Systems | Ausgabe 6/2020

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Abstract

A great number of Internet of things (IoT) applications rely on real-time communication (RTC) mechanisms for transmission of media. Essentially, applications analyze and process media to make decisions that typically affect actuation and control of embedded devices. IoT networks, however, are subjected to constrains that limit the computational and resource complexity of all entities involved. This is particularly critical when considering the traditional RTC protocols like real-time protocol (RTP) that was not designed to perform well in the context of low-power lossy networks (LLNs). This paper focuses on alternatives to media transport in IoT networks. Specially, constrained application protocol (CoAP) and the message queuing telemetry transport sensor network protocol (MQTT-SN) are presented as valid technologies for media propagation in LLNs. The paper models and compares CoAP, RTP, and MQTT-SN to determine the most efficient scenario for audio, speech, and video transmission.

Vorheriger Artikel Anti-distractors: two-branch siamese tracker with both static and dynamic filters for object tracking

Nächster Artikel Online multi-object tracking using KCF-based single-object tracker with occlusion analysis

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Titel: MQTT-SN, CoAP, and RTP in wireless IoT real-time communications
verfasst von: Rolando Herrero
Publikationsdatum: 14.07.2020
Verlag: Springer Berlin Heidelberg
Erschienen in: Multimedia Systems / Ausgabe 6/2020
Print ISSN: 0942-4962
Elektronische ISSN: 1432-1882
DOI: https://doi.org/10.1007/s00530-020-00674-5

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