Distributed configuration of "private" IDNA (Re: IDNA and getnameinfo() and getaddrinfo())

[Nicolas Williams]

On Thu, Jun 17, 2010 at 09:36:40PM +0000, Dave Thaler wrote:
> > > Hold on, there.  The DNS allows _octets_ in domain name labels.  That
> > > ...
> > 
> > It does.  However, there's no way that anyone will bother making getaddrinfo(),
> > DNS resolver, and application implementations that actually know when to send
> > A-labels versus when to send something else, much less what that something
> > else ought to be.
> 
> Not true.   We already have many widely deployed applications that attempt to
> do exactly that (IE is one of them, and there's a number of others).  And of
> course they get it wrong in corner cases, so few people notice.
> 
> I talked about some of them near the end of the IETF plenary talk.

Details?  Which apps, and how do they know when to do IDNA versus
something else, and what is that something else?  Does this interop with
other implementations?

Nico
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