[OASIS Issue Tracker] (MQTT-304) Metadata: Add User defined CONNECT data

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

    [ https://issues.oasis-open.org/browse/MQTT-304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=63744#comment-63744 ] 

Ed Briggs commented on MQTT-304:
--------------------------------

TC approved on 6/Oct/2016  Resolved, assigned to edit. 

Summary:

type name: user defined name-value pair = 0xNN (TBD)

ident : byte = 0xNN {TBD}
length: Variable Byte Integer
name : UTF-8 encoded string
value : UTF-8 encoded string

The user defined name-value pair is an optional value that used in CONNECT command packets to carry 'application layer' information which is NOT interpreted by MQTT.   This is an optional data item, and may appear zero or more times in a CONNECT command packet.

A Server receiving this tag MUST check that two string fields contain valid UTF-8 strings. The format, meaning, and uniqueness of the name is not otherwise processed or enforced by MQTT.  The user defined name-value pair may appear zero or more times in a CONNECT or PUBLISH command packet.  Servers MUST preserve the order of these tags when processing them.

I thank the TC for the benefit of their comments and prompt consideration.

   

> Metadata: Add User defined CONNECT data
> ---------------------------------------
>
>                 Key: MQTT-304
>                 URL: https://issues.oasis-open.org/browse/MQTT-304
>             Project: OASIS Message Queuing Telemetry Transport (MQTT) TC
>          Issue Type: New Feature
>          Components: core
>    Affects Versions: 5
>            Reporter: Ed Briggs
>            Assignee: Ed Briggs
>              Labels: Proposed
>
> This was discussed in MQTT-276 with notes from the F2F meetings and has been tracked in MQTT-256.
> I'm opening a separate, specific issue per Ken's comments https://issues.oasis-open.org/browse/MQTT-256?focusedCommentId=62192page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-62192:
> "All of these would be defined in separate JIRAs, but what we should do in this JIRA is to define the mechanism used to pass these values." 



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