[OASIS Issue Tracker] (MQTT-266) MQTT-SN feature: QoS -1, connectionless publish

Ian Craggs created MQTT-266:
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             Summary: MQTT-SN feature: QoS -1, connectionless publish
                 Key: MQTT-266
                 URL: https://issues.oasis-open.org/browse/MQTT-266
             Project: OASIS Message Queuing Telemetry Transport (MQTT) TC
          Issue Type: Improvement
          Components: futures
    Affects Versions: 3.1.1
         Environment: Connectionless network transports
            Reporter: Ian Craggs


A feature of MQTT-SN is the QoS -1 publish, which does not require an MQTT connection to the server.  The publish packet is sent to a multicast or broadcast address, to use UDP as an example, and the server could be listening on that address.  Obviously, there are no guarantees that any server will receive the message.



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