[OASIS Issue Tracker] Commented: (MQTT-68) Message delivery retry is not required where no network failure is detected

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

    [ http://tools.oasis-open.org/issues/browse/MQTT-68?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=34669#action_34669 ] 

Richard Coppen commented on MQTT-68:
------------------------------------

Take to TC call 19.09.2013

> Message delivery retry is not required where no network failure is detected 
> ----------------------------------------------------------------------------
>
>                 Key: MQTT-68
>                 URL: http://tools.oasis-open.org/issues/browse/MQTT-68
>             Project: OASIS Message Queuing Telemetry Transport (MQTT) TC
>          Issue Type: Improvement
>          Components: core
>    Affects Versions: 3.1.1
>            Reporter: Richard Coppen
>             Fix For: 3.1.1
>
>
> WD08 (section 4.3) states that if no response is received from PUBLISH, PUBREL, SUBSCRIBE, UNSUBSCRIBE within a reasonable period of time then the sender may retry delivery. 
> This attempts to cater for unreliable TCP/IP networks. Since modern compliant TCP/IP networks should not lose packets, then the sender should not retry unless a network failure is detected.
> The spec should be changed to reflect this and add non-normative content to describe the historical problem.  

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