Q2: What mapping function should be used in a revised IDNA2008specification?

[Alexander Mayrhofer]

> That's a good example. They noticed that for them it was 
> wrong not to have the second level domains available like in 
> many other countries and made up their mind how to get out of 
> it without unsettling the registrants or users. That's how 
> change can be managed! I am sure what the Mexican registry 
> can do, is no problem for the German and Austrian registry neither.

I'm not saying it's not possible. We have done transitions a few times, and assisted other registries in doing so as well. It's just always a few months worth of work...

Alex