[OASIS Issue Tracker] (MQTT-253) Subscription identification

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

    [ https://issues.oasis-open.org/browse/MQTT-253?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=63591#comment-63591 ] 

Ian Craggs commented on MQTT-253:
---------------------------------

I wish to note an observation.  That in the case of a server which already sends only one message in the case of overlapping subscriptions, it can stop the search for matching subscriptions when the first one is encountered.  Now, it may be forced to search the complete list.  It's possible this may be viewed as an acceptable trade off.

> Subscription identification
> ---------------------------
>
>                 Key: MQTT-253
>                 URL: https://issues.oasis-open.org/browse/MQTT-253
>             Project: OASIS Message Queuing Telemetry Transport (MQTT) TC
>          Issue Type: New Feature
>          Components: futures
>    Affects Versions: 5
>            Reporter: Andrew Schofield
>            Assignee: Nicholas O'Leary
>            Priority: Minor
>              Labels: Proposed
>
> Subscribe and unsubscribe operations are performed on topic filters in MQTT 3.1.1. Adding subscription identifiers would enable unambiguous identification of subscriptions.



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