[OASIS Issue Tracker] (MQTT-261) Add a CONNACK return code for 'Upgrade to TLS'

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

    [ https://issues.oasis-open.org/browse/MQTT-261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=62902#comment-62902 ] 

Ed Briggs commented on MQTT-261:
--------------------------------

Please let's reach consensus on this so we can add a corresponding message to MQTT-236 if necessary.

> Add a CONNACK return code for 'Upgrade to TLS'
> ----------------------------------------------
>
>                 Key: MQTT-261
>                 URL: https://issues.oasis-open.org/browse/MQTT-261
>             Project: OASIS Message Queuing Telemetry Transport (MQTT) TC
>          Issue Type: Improvement
>          Components: futures
>    Affects Versions: 5
>            Reporter: Raphael Cohn
>            Assignee: Raphael Cohn
>            Priority: Critical
>
> Adding a CONNACK return code for 'Upgrade to TLS' makes it easier to share MQTT URIs and server endpoint details, as clients do not need to know in advance that MQTT servers require TLS. This avoids the need to have 'MQTT / MQTTS' service names.



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