[OASIS Issue Tracker] (MQTT-559) DISCONNECT duration 16-bit field does not allow long enough to sleep

Simon Johnson created MQTT-559:
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             Summary: DISCONNECT duration 16-bit field does not allow long enough to sleep
                 Key: MQTT-559
                 URL: https://issues.oasis-open.org/browse/MQTT-559
             Project: OASIS Message Queuing Telemetry Transport (MQTT) TC
          Issue Type: Improvement
          Components: MQTT-SN
    Affects Versions: MQTT-SN-1.2
            Reporter: Simon Johnson


Assuming the time unit of a DISCONNECTED sleep session is SECONDS, per the 1.2 specification, this only allows a sleeping period of 18 hours 12 minutes and 15 seconds. This is not enough for real-world LPWAN devices. We need to somehow accommodate more space for larger durations OR change the time unit of the duration field to be minutes (which would allow for ~45 days sleeping).



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