
· Eduardo Vieira · IIoT
MQTT Fundamentals: Publish/Subscribe, Brokers, and Clients
Understand how MQTT’s publish/subscribe architecture keeps industrial data flowing reliably between OT and IT systems.

Understand how MQTT’s publish/subscribe architecture keeps industrial data flowing reliably between OT and IT systems.

When to use QoS 0, 1, or 2 in manufacturing environments, with examples that balance reliability and performance.

Structure MQTT topics to keep data organized, secure, and scalable across multiple plants, lines, and applications.

Understand the differences between MQTT 3.1.1 and 5.0 so you can plan upgrades and leverage new features wisely.

How to structure MQTT payloads that serve operators, analytics teams, and enterprise systems without creating technical debt.