Whitepaper: IIoT Protocol: Comparing DDS and MQTT

In modern industrial automation, the convergence of operational technology (OT) and informational technology (IT) enhances decision-making and overall productivity. However, divergent data and security management in OT and IT pose architectural challenges. This paper explores the two communication protocols, Message Queuing Telemetry Transport (MQTT) and the Data Distribution Service (DDS™), comparing their architectures, performance, scalability and suitability for industrial automation.

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