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Message Queuing Telemetry Transport
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Application Layer — Messaging
Protocol Overview
Full Name
Message Queuing Telemetry Transport
Abbreviation
MQTT
OSI Layer
Application Layer
Category
Messaging
Default Port
1883, 8883
About MQTT
Lightweight publish-subscribe messaging protocol designed for IoT and constrained devices. Minimizes bandwidth and battery usage with small packet overhead.
Application Layer
Messaging
Port 1883, 8883