Re: [Int-dir] Intdir last call partial review of draft-ietf-dots-server-discovery-11

"Eric Vyncke (evyncke)" <evyncke@cisco.com> Wed, 04 November 2020 15:15 UTC

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From: "Eric Vyncke (evyncke)" <evyncke@cisco.com>
To: Zhen Cao <zhencao.ietf@gmail.com>, "int-dir@ietf.org" <int-dir@ietf.org>
Thread-Topic: [Int-dir] Intdir last call partial review of draft-ietf-dots-server-discovery-11
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Date: Wed, 4 Nov 2020 15:14:12 +0000
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Subject: Re: [Int-dir] Intdir last call partial review of draft-ietf-dots-server-discovery-11
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[Keeping only int-dir members as recipients]

Thank you again Zhen for your review. You may have seen my IESG ballot: I fully second your point about IPv4-mapped IPv6 addresses and I even raised it to a block DISCUSS point (BTW, authors are now actively fixed their text ;-) )

Regards

-éric

-----Original Message-----
From: Int-dir <int-dir-bounces@ietf.org> on behalf of Zhen Cao via Datatracker <noreply@ietf.org>
Reply-To: Zhen Cao <zhencao.ietf@gmail.com>
Date: Monday, 12 October 2020 at 16:54
To: "int-dir@ietf.org" <int-dir@ietf.org>
Cc: "last-call@ietf.org" <last-call@ietf.org>rg>, "draft-ietf-dots-server-discovery.all@ietf.org" <draft-ietf-dots-server-discovery.all@ietf.org>rg>, "dots@ietf.org" <dots@ietf.org>
Subject: [Int-dir] Intdir last call partial review of draft-ietf-dots-server-discovery-11


    Review is partially done. Another assignment may be needed to complete it.

    Reviewer: Zhen Cao
    Review result: Ready with Nits

    Reviewer: Zhen Cao
    Review result: Ready with Nits

    Thanks the authors for the document.  DOTS server discovery is important to the
    functioning of the whole system.

    Important: I read Bernie's eary quick review (saying not a full one) for the 01
    version [*] and the comments had been addressed in 02 version.   And I think
    our AD @Eric needs to check if there is a need for further DHC doctor review.  
     (although I checked there were not much changed on the DHCP parts from r02 to
    r11) .

    [*]https://github.com/boucadair/draft-ietf-dots-discovery/issues/1

    I think most of the other parts looks quite ready except:
    a) Section 5.1.2 on the configuration of the ipv4-mapped IPv6 address.
    old:    Note, IPv4-mapped IPv6 addresses (Section 2.5.5.2 of [RFC4291])  are
    allowed to be included in this option.

    I do not know why this is particularly mentioned here given there are many
    types of IPv6 address.  I think it 's better to remove this statement since
    there are many issues configuring IPv4-mapped address directly.  Some systems
    will disable (by default) support for internal  IPv4-mapped IPv6 addresses. 
    Some implementations of dual-stack do not allow IPv4-mapped IPv6 addresses to
    be used for interoperability between IPv4 and IPv6 applications.  [RFC4038].  
    Such discussions do not have to be present here.

    b) the first sentence of the abstract: s/Districuted/Distributed.



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