[OASIS Issue Tracker] (MQTT-329) Remove the ID/Value Pair length field

Allan Stockdill-Mander created MQTT-329:
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             Summary: Remove the ID/Value Pair length field
                 Key: MQTT-329
                 URL: https://issues.oasis-open.org/browse/MQTT-329
             Project: OASIS Message Queuing Telemetry Transport (MQTT) TC
          Issue Type: Improvement
            Reporter: Allan Stockdill-Mander
            Priority: Minor


The current spec requires an id/value pair length field indicating how many bytes constitute the id/value pairs in the controlpacket, prior to any payload that may be in the controlpacket as well. From an implementer's point of view this means allocating and building a buffer to hold this data so it can be counted and the value inserted logically prior to this buffer. This is particularly problematic as the value is a Variable Byte Integer so space in a larger control packet buffer cannot be preallocated then filled afterwards (same annoyance occurs with the remaining length field earlier in the control packet).



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