Re: [mosquitto-dev] Multiplexed MQTT

[Roger Light <roger@xxxxxxxxxx>]

Hi Ian,

Sounds interesting - how do you implement it?

Cheers,

Roger


On Fri, Feb 27, 2015 at 3:34 PM, Ian Craggs
<icraggs@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
> Hi All, and Roger especially.
>
> One function that is implemented (by Nick O'Leary, as it happens) in one of
> the brokers in the RSMB repository is multiple MQTT sessions over one TCP
> connection.  This was used for an MQTT-SN gateway of the transparent style.
> Transparent means that each MQTT-SN connection arriving at the gateway
> results in another MQTT connection, but using MQTT multiplexed over a single
> socket, resources are saved.
>
> As I'm thinking about coding up an embedded MQTT-SN to MQTT gateway I
> thought again how useful this could be.  So how about in Mosquitto?  It's
> not in the MQTT standard, but that hasn't stopped us before, and the
> standard can be driven by what people find useful.
>
> This sort of multiplexing could also be used in bridges, so that you could
> have an MQTT connection which hopped over multiple bridges before getting to
> its final destination.  I haven't thought that one through though, but it
> sounds cool :-)
>
> --
> Ian Craggs
> icraggs@xxxxxxxxxx                 IBM United Kingdom
> Paho Project Lead; Committer on Mosquitto
>
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