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MQTT QoS (QoS), Glossary · Cloud Studio IoT | Cloud Studio IoT

Glossary

Concept

MQTT QoS (QoS)

Also known as

quality of service mqtt
niveles qos mqtt
qos 0 1 2

References

Especificación MQTT (OASIS) ↗

Reviewed · May 24, 2026

MQTT QoS (Quality of Service) defines a message's delivery guarantee at three levels: 0 (at most once), 1 (at least once) and 2 (exactly once).

Related terms

MQTT
MQTT broker

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