Distributed configuration of "private" IDNA (Re: IDNA and getnameinfo() and getaddrinfo())
dthaler at microsoft.com
Thu Jun 17 23:36:40 CEST 2010
> -----Original Message-----
> From: Nicolas Williams [mailto:Nicolas.Williams at oracle.com]
> Sent: Thursday, June 17, 2010 1:40 PM
> To: Andrew Sullivan
> Cc: John C Klensin; cheshire at apple.com; idna-update at alvestrand.no; Dave
> Subject: Re: Distributed configuration of "private" IDNA (Re: IDNA and
> getnameinfo() and getaddrinfo())
> 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.
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.
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