[ https://issues.oasis-open.org/browse/MQTT-252?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Richard Coppen updated MQTT-252:
--------------------------------
Affects Version/s: 5
(was: 3.1.1)
> Support for large message transmission
> --------------------------------------
>
> Key: MQTT-252
> URL: https://issues.oasis-open.org/browse/MQTT-252
> Project: OASIS Message Queuing Telemetry Transport (MQTT) TC
> Issue Type: New Feature
> Components: futures
> Affects Versions: 5
> Reporter: Andrew Schofield
> Priority: Critical
>
> MQTT has an architected limit of 256MB for the message payload. In practice, transmitting a message this large is troublesome. First, the transmission of large messages ties up the network connection for a considerable time, potentially blocking smaller messages. Second, the longer a message takes to transmit, the higher the chance that a network outage will interrupt the transmission, which would then have to be restarted from the beginning. MQTT would make a good transport for delivery of large payloads, in particular device firmware, but only if they can be transmitted in a more manageable way.
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