Re: [mqtt] [OASIS Issue Tracker] (MQTT-252) Support for large message transmission

[Paul Duffy <paduffy@cisco.com>]

Hello Andrew

What specific new feature is this Jira requesting?

Thanks


On 2/9/2015 4:43 PM, OASIS Issues Tracker wrote:
> Andrew Schofield created MQTT-252:
> -------------------------------------
>
>               Summary: 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: core
>      Affects Versions: 3.1.1
>              Reporter: Andrew Schofield
>
>
> 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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