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

[Nicolas Williams]

On Thu, Jun 17, 2010 at 03:39:43PM -0500, Nicolas Williams wrote:
> On Thu, Jun 17, 2010 at 04:22:09PM -0400, Andrew Sullivan wrote:
> > On Thu, Jun 17, 2010 at 11:11:55AM -0500, Nicolas Williams wrote:
> > > 
> > > See "First: to note that...".  That is: I don't think DNS, much less
> > > _application_ implementors can be expected to support private DNS clouds
> > > with non-standard IDN rules.  It's just too big a PITA.
> > 
> > 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.

I should qualify this: someone might do that, but more than one such
implementation, with IDN interoperability between them?  I seriously
doubt it.

Nico
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