Brian,

> On Sep 10, 2024, at 4:18 PM, Brian E Carpenter <[email protected]> 
> wrote:
> ...
> As Martin Thomson wrote very recently [2] "Of note is this draft that 
> recommends the use of .local names instead. This resolves the interface 
> issues by using a name, which could be unique. Unfortunately, that requires 
> the use of mDNS, which is not supported enough to be consistently available."

I'm not sure where this comes from - while we certainly had issues back in 2010 
with ISP routers defaulting to blocking of multicast traffic, that hasn't been 
the case for a long time now.

Every major client OS (Android, ChromeOS, iOS, Linux, macOS, and Windows) 
supports mDNS out-of-the-box.  Almost all network printers, TVs, and cameras 
support mDNS. My Ubiquity network gear, Lutron gateway, Nest thermostat and 
smoke detectors, NAS, VoIP phones, and new washer and dryer all support it as 
well.

So maybe we need to note that while *some* network equipment might not (yet) 
support mDNS, the vast majority of it *does*.  Using mDNS hostnames is a viable 
alternative to using link-local addresses in URIs, and has been for a long time 
now...

________________________
Michael Sweet

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