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Re: [DNSOP] I-D Action: draft-ietf-dnsop-attrleaf-12.txt

Bob Harold <rharolde@umich.edu> Wed, 25 July 2018 17:59 UTC

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From: Bob Harold <rharolde@umich.edu>
Date: Wed, 25 Jul 2018 13:59:41 -0400
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To: Dave Crocker <dcrocker@bbiw.net>
Cc: mats.dufberg@iis.se, IETF DNSOP WG <dnsop@ietf.org>
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Subject: Re: [DNSOP] I-D Action: draft-ietf-dnsop-attrleaf-12.txt
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On Wed, Jul 25, 2018 at 1:50 PM Dave Crocker <dhc@dcrocker.net> wrote:

> On 7/25/2018 2:32 AM, Mats Dufberg wrote:
> > _ta-XXXX should go into table 2 on page 9 of draft-ietf-dnsop-attrleaf.
>
>
> Wow. This is a unique case, since it reserves essentially all of an
> even-more-subordinate namespace -- everything to the right of that dash.
>
> Theoretically it isn't that inclusive but in practical terms, unless we
> want complex pattern-matching for sub-strings at run-time, it is.
>
> I'm inclined to have the notation be:
>
>      _ta-.*
>
> to draw from regex, with an explicit reference to that, unless folks
> agree on something else.  (Yes, that's 'pattern matching' but it's in
> the specification document, not the operational code.)
>
> Thoughts?
>
> d/
>
> --
> Dave Crocker
> Brandenburg InternetWorking
> bbiw.net
>

Dot "." has special meaning in DNS, so I would prefer:

   _ta-*

Not regex, but a common wildcard usage.

-- 
Bob Harold

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