[OASIS Issue Tracker] (MQTT-556) Clarification of broker behaviour when REGISTER issued on a 2 byte topic name

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2020-04-28T15:17:26+00:00
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[OASIS Issue Tracker] (MQTT-556) Clarification of broker behaviour when REGISTER issued on a 2 byte topic name
[ https://issues.oasis-open.org/browse/MQTT-556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=76800#comment-76800 ] 

Simon Johnson commented on MQTT-556:
------------------------------------

If this is allowed, a defined order of precedence needs to be considered when choosing which topic alias type to use to deliver messages.

> Clarification of broker behaviour when REGISTER issued on a 2 byte topic name
> -----------------------------------------------------------------------------
>
>                 Key: MQTT-556
>                 URL: https://issues.oasis-open.org/browse/MQTT-556
>             Project: OASIS Message Queuing Telemetry Transport (MQTT) TC
>          Issue Type: Improvement
>          Components: MQTT-SN
>    Affects Versions: MQTT-SN-1.2
>            Reporter: Simon Johnson
>            Priority: Minor
>
> If a client chooses to issue a REGISTER on a topic whose format matches the specification for a short name, what is the desired behaviour of the broker, allow (and face the same decisions as per linked ticket) or reject with suitable message.



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