Q1 is mapping on lookup permanent or transitional?

Paul Hoffman phoffman at imc.org
Mon Apr 6 17:33:51 CEST 2009

At 8:46 AM -0400 4/6/09, Andrew Sullivan wrote:
>On Fri, Apr 03, 2009 at 11:09:50PM -0400, John C Klensin wrote:
>> If, for example, the design is to follow the general principle
>> whose details I got wrong in Protocol-11, i.e., one tries an
>> IDNA2008 lookup without mapping and, only if that fails does one
>> try to interpret the label using a restricted variant of
>> IDNA2003, there will be lots of incentives to get rid of it,
>The way I'd say that is, "In principle, the mapping will remain part
>of the protocol forever, but in practice the mapping's use will
>wither."  That's ok with me.  But it's not the same thing as saying
>that part of the protocol is "only temporary".

I'm not OK with saying this because it presumes that the mapping will not happen with each lookup. Again: the mapping we are talking bout is *not* just for compatibility with IDNA2003, it is also to make sense for typical users, such as in the case of EuroCafé.com.

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