Concept
Publish/subscribe (pub/sub)
Publish/subscribe is an asynchronous messaging pattern where senders publish to topics and receivers subscribe, via a broker that decouples both.
MQTT Broker: What It Is, How It Works, Best Options 2026
An MQTT broker is the central messaging server of an IoT network: it receives the data that devices publish and distributes it to every subscribed application.
Jul 8, 2026
