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Subject: [OASIS Issue Tracker] (MQTT-597) The Gateway may need a way to identify the sender


     [ https://issues.oasis-open.org/browse/MQTT-597?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Simon Johnson updated MQTT-597:
-------------------------------
    Component/s: MQTT-SN

> The Gateway may need a way to identify the sender
> -------------------------------------------------
>
>                 Key: MQTT-597
>                 URL: https://issues.oasis-open.org/browse/MQTT-597
>             Project: OASIS Message Queuing Telemetry Transport (MQTT) TC
>          Issue Type: Improvement
>          Components: MQTT-SN
>            Reporter: Davide Lenzarini
>            Priority: Major
>
> In all messages except CONNECT, CONNACK, ADVERTISE and GWINFO the gateway may need to identify the sender.
> We should add the flag âClient Id presenceâ. If set the client id should be added in order to identify the sender. How is the sender identified by the gateway otherwise (in case of PUBLISH for instance)?
> In case there is only a free flag we should add âExtension flag presenceâ flag. If set the flag field should be followed by another flag field.
>  * 0=no additional flags
>  * 1= another byte of flags with the following structure
>  * Reserved (7)
>  * Reserved (6)
>  * Reserved (5)
>  * Reserved (4)
>  * Reserved (3)
>  * Reserved (2)
>  * Reserved (1)
>  * Client Id presence
>  * 0 = no
>  * 1 = yes
> Â
> Â



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