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People don't love XMPP for a lot of reasons. Some of those reasons apply to IoT. Some reasons, like having to maintain state, are IoT specific.

Besides that, bandwidth and code complexity is a very real concern. MQTT, a lightweight message passing protocol, has become the de facto default.




So true. We switched to MQTT (abandoning websockets and other protocols) to save (a lot of) network bandwidth.


Do you mean you were using MQTT over websockets before, and you've since moved to pure MQTT (still over TCP), without websockets in between? Are you sure websockets were the cause of your network bandwidth issues?


I'm on a different team, AFAIK we where using simple JSON payloads on websocket connections. Dropping websockets and switching to MQTT saved a lot of bandwidth. I can ask for precise numbers or details if you wish.


I'm interested.


Please expand




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