On Aug 6, 2012, at 5:44 PM, Evan Hunt wrote: > Not at all -- lots of non-geeks buy domain names, and non-geeks > can also get delegated subdomains from their ISP's. Making it easy > for them to set up is a UI problem, and not a very hard one. You > can't use .<ULA> to reach a remote device anyway.
We're talking past each other. I am not saying that .ULA is the right solution. And as far as it being a UI problem, this is half true. If the underlying protocol can set things up cleanly and reliably and automatically, *then* getting the UI right is a UI problem. But if the underlying protocol doesn't allow a UI that a regular user can navigate, it doesn't matter how good the UI is. > Not really. If you acquire a globally-resolvable domain name, then your > printer could detect the fact and start advertising the name > printername.domain.com alongside printername.myhouse.local; your > laptop could then cache the new name, note that it's a FQDN, and > begin showing it to you in a list of available printers when you're > away from home. Requiring the printer and host to adapt to network conditions in the way you describe is not a homenet issue except in the sense that the homenet would have to present the information to the host or printer to allow it to do what you describe. Which is precisely what (I thought) we were discussing. > I think this concern is fairly minimal, and could be addressed by noting > that the router MAC address has changed and popping up a warning dialog. You are talking about this as if you were the programmer. But we are the IETF, not the UI programmer. It's not our job to get the UI right—it's to make it *possible* to get the UI right. > Explain what you mean by "state" here please? I'm not sure I'm > following you. State is stuff that either your host or some server remembers between packet exchanges. So for example, your laptop probably remembers its own name, and provides it using mDNS and DHCP. That's state. If the DHCP server records it in the DNS, that's also state. No state is when nothing is recorded anywhere.
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