Re: [dnsext] Increasing character limit for registration in internet domain names: 76 or 68 or 91 or 83 or 64 higher the better

Olafur Gudmundsson <ogud@ogud.com> Tue, 18 January 2011 15:26 UTC

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Subject: Re: [dnsext] Increasing character limit for registration in internet domain names: 76 or 68 or 91 or 83 or 64 higher the better
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On 18/01/2011 9:30 AM, Paul Vixie wrote:
>> From: Florian Weimer<fweimer@bfk.de>
>> Date: Tue, 18 Jan 2011 10:44:06 +0000
>>
>> I wasn't really around when the failure of this experiment was
>> recognized.  Is there a write-up somewhere explaining why this doesn't
>> work as expected?  (Without major protocol surgery, increasing the
>> label length would share a similar fate.)
>
> no writeup. briefly, it only works if the full end-to-end path knows
> about each new label type. so adding each label type would require
> incrementing the EDNS version number. this was found to be impractical.
>

http://tools.ietf.org/html/draft-ietf-dnsext-rfc2671bis-edns0-04#section-5

Olafur