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

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

Message delivery retry is not required where no network failure is detected 
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                 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 will not lose packets, then the sender should not retry where a network failure is detected.

The spec should be changed to reflect this and add non-normative content to reflect this historical problem.  

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