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Re: Adoption Call for <draft-troan-6man-universal-ra-option>

Brian E Carpenter <brian.e.carpenter@gmail.com> Tue, 14 September 2021 22:24 UTC

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Subject: Re: Adoption Call for <draft-troan-6man-universal-ra-option>
To: Lorenzo Colitti <lorenzo@google.com>
Cc: Erik Kline <ek.ietf@gmail.com>, 6man WG <ipv6@ietf.org>, Bob Hinden <bob.hinden@gmail.com>
References: <FB7CE846-627F-43CF-A54C-35B0EE6D5A2D@gmail.com> <c7a49df3-59a1-ac24-3d6a-8d71896733a1@foobar.org> <8CA4CBD9-0B20-49E1-B20C-9BC9FBDDFBD3@employees.org> <CAMGpriXGob1CsDWMaud5sc-8tJJYeUV++PU1Z6F=Bq69+z-g2w@mail.gmail.com> <a2c24023-5b3c-c908-af63-95b0f91714a4@gmail.com> <CAMGpriUG8yKW9YRL=d5+QfnvpRg1+2tXXaqBfkvNOOMT2wTEug@mail.gmail.com> <CAKD1Yr1bmrAqBQvCpxe3THOUie5CWhvqZuHJGD8KCWgM3BBkQA@mail.gmail.com> <add38398-61ec-5a70-db4a-3e78d762518a@gmail.com> <CAKD1Yr3XKdmE3bGCgkSHS6ScJ-5Zr9Pp2HuYB1rTBEDw45LCOw@mail.gmail.com>
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Message-ID: <478d6b1e-57fb-ebd2-ad64-a869005551dd@gmail.com>
Date: Wed, 15 Sep 2021 10:24:07 +1200
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On 14-Sep-21 17:34, Lorenzo Colitti wrote:
> On Tue, Sep 14, 2021 at 2:17 PM Brian E Carpenter <brian.e.carpenter@gmail.com <mailto:brian.e.carpenter@gmail.com>> wrote:
> 
>     > That additional information is already in JSON format, so it's even more extensible as what is being proposed in this draft.
> 
>     Huh? The proposal is CBOR, which can encode JSON.
> 
> 
> It's even more extensible: even if, as you say, the expressive power is the same, DHCP/RA have a size linmit, but JSON over HTTPS does not.

Which conveys another point: we can't stop people inventing other ways of configuring hosts, now or in the future. If you're arguing that RFC8801 already allows what this draft does, then no doubt we also need a PvD option for DHCPv6. How widely is RFC8801 implemented?

(I had given up tracking MIF when draft-ietf-mif-mpvd-dhcp-support was abandoned, so I don't know the history of that discussion.)

    Brian

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