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Subject: [OASIS Issue Tracker] (MQTT-575) Define new protocol version number


    [ https://issues.oasis-open.org/browse/MQTT-575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=78299#comment-78299 ] 

Ian Craggs commented on MQTT-575:
---------------------------------

If we follow the reasoning that resulted in MQTT 5.0 being called 5.0*, then the next available number in the protocol id bytes of the connect packet is "2", which means the protocol version number should also be 2. So MQTT-SN 2.0.

_*The reasoning being that the version number should match the number in the protocol id field, to avoid confusion._

> Define new protocol version number
> ----------------------------------
>
>                 Key: MQTT-575
>                 URL: https://issues.oasis-open.org/browse/MQTT-575
>             Project: OASIS Message Queuing Telemetry Transport (MQTT) TC
>          Issue Type: Task
>          Components: MQTT-SN
>            Reporter: Simon Johnson
>            Assignee: Ian Craggs
>            Priority: Major
>
> We need to formalise what the 1 byte protocol version will be. 



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