More detail: a sketchy idea for expressing zone policy

Paul Hoffman phoffman at
Wed Dec 9 23:06:43 CET 2009

At 2:55 PM -0500 12/9/09, Andrew Sullivan wrote:
>On Wed, Dec 09, 2009 at 06:17:23PM +0000, Shawn Steele wrote:
>> Sort of.  Most editors let you type http://whatever without actually
>> looking to see if it goes anywhere.  OWA just highlighted
>> http://whatever when I typed it, for example.
>I see what you mean.  I wasn't supposing that this would happen all
>the time.  My notion really was that we were trying to address the
>problem of _arriving_ somewhere in an ambiguous way.  But of course
>you're right that if you store the fußball.example in 2003, and then
>.example upgrades to IDNA2008 with a policy "both PVALID", you may not
>know that the fußball.example you stored is really just
>fussball.example.  Phooey.  Well, nobody ever accused me of being
>unwilling to propose bad ideas in public.

I do not find the above to be a show-stopper at all. Historical "what did it mean at some particular time" is fascinating to engineers and completely lost on 99.99% of the people for whom we are writing this.

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