[OASIS Issue Tracker] (MQTT-555) Clarification of broker behaviour when client REGISTERs a PREDEFINED topic

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

Simon Johnson created MQTT-555:
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             Summary: Clarification of broker behaviour when client REGISTERs a PREDEFINED topic
                 Key: MQTT-555
                 URL: https://issues.oasis-open.org/browse/MQTT-555
             Project: OASIS Message Queuing Telemetry Transport (MQTT) TC
          Issue Type: Improvement
          Components: MQTT-SN
    Affects Versions: MQTT-SN-1.2
            Reporter: Simon Johnson


If a client issues a âREGISTER âagainst the topic that happens to also be predefined, should  this be allowed? If so, does this yield a normalId in the REGACK, in which case the broker must use an order of precedence when selecting the topic id scheme to use in deliveries to this client.






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