Post #1219786
2025-12-12 02:44 UTC
@osterwood It's not designed for it, but it'd be worth a try. It should work pretty straightforwardly with a single client and multiple servers if the servers react to their host names (can be single-letter), just send a response immediately when asked, and the client won't query them simultaneously.
Things get tougher when there are observations or they want to act as clients (but then, with low traffic, collisions are not too bad).
Replies (2)
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@chrysn@chaos.social 2025-12-12 02:47
@osterwood For longer-running requests, notifications or to allow devices to send own requests, the network coordinator could just poll them. An extension that enables those cases could be reasonably simple, but as soon as multiple coordinators are involved, it may be simpler to go with 6lobac (RFC8163).
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@osterwood@chaos.social 2025-12-12 03:31
@chrysn where would the MCU/server host name be? In the URI-host option field? Or embedded in the message payload itself? (Sorry for the naive questions, I’m new to CoAP)