PUBLISH packet optimisation - (Topic Length)

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    • Type: Improvement
    • Resolution: Applied
    • Priority: Major
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    • Affects Version/s: None
    • Component/s: MQTT-SN
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      Encode the topic length into the topic data field only when the type is Long Topic Name (0b11) and remove the topic length as presently defined

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      Encode the topic length into the topic data field only when the type is Long Topic Name (0b11) and remove the topic length as presently defined

      The Topic Length field on the PUBLISH is only ever used with meaning for Long Topic Name type. I suggest this is going to be one of the least used of the 4 topicId types. Therefore having the overhead of the extra 2 bytes in every flight seems overkill. 

            Assignee:
            thesii
            Reporter:
            simon.johnson1
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