Single-letter names

Vint Cerf vint at
Sat Jul 5 18:55:36 CEST 2008

no, I was specific that my remarks were oriented solely to the IDN  
question. I do not believe that our work on IDNs deals with the ASCII  
LDH question except insofar as we are constrained to assure that our  
mapping of IDN's expressed in some form of UNICODE does not conflict  
with established practices associated with ASCII domain names. It is  
clear that a valid IDN is a minimum of some 6 ASCII characters I  
believe, and that means none of the IDN work will directly implnge on  
questions about single character ASCII domain names at top level or  


On Jul 5, 2008, at 12:52 PM, JFC Morfin wrote:

> At 18:20 05/07/2008, Vint Cerf wrote:
>> I concur that while this issue is of interest, it is not the  
>> purpose of the idnabis effort to deal with this specific issue.  
>> The idnabis documents may affect which characters can appear in  
>> idns but not how many of them except perhaps the question of the  
>> maximum number (?). Vint
> Can we take this as a WG-IDNABIS Chair consensus declaration that  
> single letter names (ASCII an Unicode) are confirmed as no problem?
> jfc

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