Errata exists for this version of the document.

The BrokerTransportQualityOfService values map to MQTT publish and subscribe QoS settings as follows:

• AtMostOnce_1 is mapped to MQTT QoS 0.
• AtLeastOnce_2 is mapped to MQTT QoS 1.
• ExactlyOnce_3 is mapped to MQTT Qos 2.