Re: 6MAN WG Adoption call : draft-jeong-6man-rdnss-rfc6106-bis

David Farmer <farmer@umn.edu> Wed, 07 October 2015 07:35 UTC

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Subject: Re: 6MAN WG Adoption call : draft-jeong-6man-rdnss-rfc6106-bis
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To: "Mr. Jaehoon Paul Jeong" <jaehoon.paul@gmail.com>, Lorenzo Colitti <lorenzo@google.com>
From: David Farmer <farmer@umn.edu>
Organization: University of Minnesota
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Date: Wed, 07 Oct 2015 02:34:39 -0500
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Cc: 6man Chairs <6man-chairs@tools.ietf.org>, 6man WG <ipv6@ietf.org>, 神明達哉 <jinmei@wide.ad.jp>
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On 10/5/15 05:30 , Mr. Jaehoon Paul Jeong wrote:
> Hi 6MAN WG,
> Here is the revised draft reflecting the discussion of link-local addresses
> for recursive DNS servers:
> https://tools.ietf.org/html/draft-ietf-6man-rdnss-rfc6106bis-03
>
> The major changes are as follows:
...

Those changes all look good to me.  However, I have a few more issues;

1. The first paragraph of the Introduction says the following;

    The purpose of this document is to standardize an IPv6 Router
    Advertisement (RA) option for DNS Recursive Server Addresses used for
    the DNS name resolution in IPv6 hosts.  This RA option was specified
    in an earlier Experimental specification [RFC5006].  This document is
    also to define a new RA option for Domain Name Search Lists for an
    enhanced DNS configuration.  Thus, this document obsoletes [RFC5006],
    which only defines the RA option for DNS Recursive Server Addresses.

The last two sentences of this paragraph probably need to be rewritten 
consistent with the changes already made to the Abstract .  Here is some 
possible text, use it if you like;

    The purpose of this document is to standardize an IPv6 Router
    Advertisement (RA) option for DNS Recursive Server Addresses used for
    the DNS name resolution in IPv6 hosts.  This RA option was originally
    specified in an earlier Experimental specification [RFC5006].  This
    document obsoletes [RFC6106], allowing a higher default value of the
    lifetime of the RA DNS options to avoid the frequent expiry of the
    options on links with a relatively high rate of packet loss, and
    additional clarifications, see Appendix B for details.

2. I'd like to see the Security Considerations section updated with an 
Informational reference regarding "rogue Router Advertisements" [RFC6104].

3. I think the IANA Considerations section should be updated to request 
the references for these options to be updated to point at this document.

http://www.iana.org/assignments/icmpv6-parameters/icmpv6-parameters.xhtml#icmpv6-parameters-5

4.  The Acknowledgements section is the text originally in RFC6106.  I'm 
assuming this is just an oversight, as I believe several people have 
made comments worthy of acknowledgement for the new document.

Thanks
-- 
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David Farmer               Email: farmer@umn.edu
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University of Minnesota
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Minneapolis, MN 55414-3029  Cell: 1-612-812-9952
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