[OASIS Issue Tracker] (MQTT-611) Utilise the REASON CODE in SUBACK to communicate Granted QoS

[OASIS Issues Tracker <workgroup_mailer@lists.oasis-open.org>]

     [ https://issues.oasis-open.org/browse/MQTT-611?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ian Craggs updated MQTT-611:
----------------------------
    Proposal: 
The QoS flags in the SUBACK packet are now reserved.

The reason codes for SUBACK include granted QoS 0, 1 and 2 as in MQTT 5.0.

> Utilise the REASON CODE in SUBACK to communicate Granted QoS
> ------------------------------------------------------------
>
>                 Key: MQTT-611
>                 URL: https://issues.oasis-open.org/browse/MQTT-611
>             Project: OASIS Message Queuing Telemetry Transport (MQTT) TC
>          Issue Type: New Feature
>          Components: MQTT-SN
>         Environment: Presently, Granted QoS is communicated in the SUBACK in the flags field (Bits 5 & 6). TT uses Granted QoS Reason Codes. Since there is also a reason code field available in the SUBACK, we should look to standardise this and remove the Granted QoS from the Flags into the Reason code inline with TT.
>            Reporter: Simon Johnson
>            Priority: Major
>




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