[OASIS Issue Tracker] (MQTT-552) Should a broker prohibit publish -1 messages from sleeping clients

[ https://issues.oasis-open.org/browse/MQTT-552?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ian Craggs updated MQTT-552:
----------------------------
    Proposal: 
Section 7.1

(underneath existing para)

Sleeping clients are allowed to publish messages at QoS -1.

> Should a broker prohibit publish -1 messages from sleeping clients
> ------------------------------------------------------------------
>
>                 Key: MQTT-552
>                 URL: https://issues.oasis-open.org/browse/MQTT-552
>             Project: OASIS Message Queuing Telemetry Transport (MQTT) TC
>          Issue Type: Improvement
>          Components: MQTT-SN
>    Affects Versions: MQTT-SN-1.2
>            Reporter: Simon Johnson
>            Assignee: Ian Craggs
>            Priority: Minor
>              Labels: Implementation-notes
>
> From the specification;
> "..Because PUBLISH messages with QoS level -1 âcould be sent at any time by clients (even with no connection setup"
> I took this to mean that there is no issue with a broker processing messages received at -1 from a sleeping client. Perhaps we could confirm this, and make clear in implementation notes precisely when -1 messaging is allowed.



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