[OASIS Issue Tracker] (MQTT-563) Client Id format

Simon Johnson created MQTT-563:
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             Summary: Client Id format 
                 Key: MQTT-563
                 URL: https://issues.oasis-open.org/browse/MQTT-563
             Project: OASIS Message Queuing Telemetry Transport (MQTT) TC
          Issue Type: Task
          Components: MQTT-SN
            Reporter: Simon Johnson


It was discussed that aligning the clientId format (23 UTF-8 bytes) to MQTT 5.0 was potentially dangerous in SN given the complexity of validation etc. However given ASCII is a subset of UTF-8 it is upon the broker & client implementation to enforce a more restrictive set if required. A note in implementation is required for this item.



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