[DNSOP] Re: [v6ops] New Version Notification for draft-ietf-dnsop-3901bis-03.txt

Tobias Fiebig <tobias@fiebig.nl> Mon, 11 August 2025 08:26 UTC

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From: Tobias Fiebig <tobias@fiebig.nl>
To: Nick Buraglio <buraglio@forwardingplane.net>
Date: Mon, 11 Aug 2025 10:26:09 +0200
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Subject: [DNSOP] Re: [v6ops] New Version Notification for draft-ietf-dnsop-3901bis-03.txt
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Moin,

On Fri, 2025-08-01 at 22:03 -0500, Nick Buraglio wrote:
> The use of the term "preferred" could be confusing here and I would
> argue that defining it is very context specific. Suggest quantifying
> "preferred" to add some context or re-wording that sentence. While
> perhaps a somewhat edge case, I could see someone reading that and
> applying the context of source address selection and being confused
> by behavior. You clarify this a bit in section 4.3, but perhaps it
> could be clarified higher in the doc?
> Section 4.2

Reworded to:

... and the progressing deployment of IPv6, IPv4 and IPv6 have become
comaprably relevant.


> If a recursive DNS resolver runs in a network that uses XLAT
> [RFC6877], and the recursive DNS resolver is aware of the used PREF64
> [RFC6146], it SHOULD synthesize mapped IPv6 addresses for remote  
> 
> Suggest re-wording this to something like
> If a recursive DNS resolver operates in a network that uses
> XLAT [RFC6877], and the recursive DNS resolver is aware of the
> PREF64 [RFC6146] in use in its administrative domain, ....  

Changed accordingly, thx!

> 
> Section 4.3
> (DHCPv4, DHCPv6, SLAAC).  
> 
> Should these be defined, referenced, or at least explained? PREF64
> and XLAT RFC are referenced in section 4.2.

Added corresponding references.

Thanks!

With best regards,
Tobias
> 

-- 
Dr.-Ing. Tobias Fiebig
T +31 616 80 98 99
M tobias@fiebig.nl
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