[OASIS Issue Tracker] (MQTT-271) Describing small device limitations, aka "the Arduino problem"

Ian Craggs created MQTT-271:
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             Summary: Describing small device limitations, aka "the Arduino problem"
                 Key: MQTT-271
                 URL: https://issues.oasis-open.org/browse/MQTT-271
             Project: OASIS Message Queuing Telemetry Transport (MQTT) TC
          Issue Type: Improvement
          Components: futures
    Affects Versions: 3.1.1
         Environment: Very small device implementations.
            Reporter: Ian Craggs


Small devices, like the original Arduino, may have very limited resource, like 16k of RAM, or less.  For such devices, limiting the storage used by MQTT is very important.  

They may not even be able to process a message of 30k, for instance, at all.  If it were sent at QoS 1 or 2, it has to be read in before subsequent messages are received.  

At the moment, it is a server admin task, or application design task, to make sure that messages bigger than a device can handle are not sent to it.



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