[OASIS Issue Tracker] Commented: (MQTT-40) Should MQTT Publisher and MQTT Subscriber be differentiated

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

    [ http://tools.oasis-open.org/issues/browse/MQTT-40?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=34151#action_34151 ] 

Rahul Gupta commented on MQTT-40:
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Terminology which could be added in Section 1.1 is
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A MQTT client is responsible for collecting information from the telemetry devices, connecting to the MQTT server, and publishing the information to the server. It can also subscribe to topics, receive publications, and control the telemetry device. MQTT Server enables MQTT clients to exchange messages with each other.

MQTT Publisher is a MQTT client which can connect to the MQTT Server and publish publications on different topics, MQTT Publisher sends and receives control packet with MQTT Server.

MQTT Subscriber is a MQTT client which can connect to the MQTT Server and subscribe on different topics to receive publications. MQTT Subscriber sends and received control packet with MQTT Server.

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Please review and add your feedback

> Should MQTT Publisher and MQTT Subscriber be differentiated
> -----------------------------------------------------------
>
>                 Key: MQTT-40
>                 URL: http://tools.oasis-open.org/issues/browse/MQTT-40
>             Project: OASIS Message Queuing Telemetry Transport (MQTT) TC
>          Issue Type: Improvement
>          Components: core
>    Affects Versions: 3.1.1
>            Reporter: Nick O'Leary
>             Fix For: 3.1.1
>
>
> The spec used to talk about MQTT Clients. It now talks about MQTT Publishers and MQTT Subscribers - as if they are completely different things. But ultimately, an MQTT Publisher can subscribe to things and an MQTT Subscriber can publish to things. 
> I'm not sure it is helpful to introduce the idea they are different entities when they are not. It implies you need two different clients if you want to do both pub and sub - a misapprehension we've had to respond to on the mailing list in the past.

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