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Re: Call for Adoption: draft-schinazi-quic-version-negotiation

Ian Swett <ianswett@google.com> Thu, 12 December 2019 01:45 UTC

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From: Ian Swett <ianswett@google.com>
Date: Wed, 11 Dec 2019 20:45:41 -0500
Message-ID: <CAKcm_gPc8Po=BX+RuNoxmNUFQ+AFHf_kbBfU68B10vLuYF2O-w@mail.gmail.com>
Subject: Re: Call for Adoption: draft-schinazi-quic-version-negotiation
To: Kazuho Oku <kazuhooku@gmail.com>
Cc: Jana Iyengar <jri.ietf@gmail.com>, Lars Eggert <lars@eggert.org>, Mark Nottingham <mnot@mnot.net>, IETF QUIC WG <quic@ietf.org>
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I support adoption, but I also don't fear transport downgrade in the way I
fear TLS downgrades, because I think they're different threat models, FWIW.

On Wed, Dec 11, 2019 at 8:18 PM Kazuho Oku <kazuhooku@gmail.com> wrote:

>
>
> 2019年12月12日(木) 6:50 Jana Iyengar <jri.ietf@gmail.com>:
>
>> I support adopting this document.
>>
>> We should be working on getting version negotiation done asap, since it
>> is an important extensibility mechanism for QUIC. Not having a mechanism
>> means that any work on a next version (even local experiments) is
>> effectively stymied, which increases the risk that this extensibility
>> mechanism becomes unusable. Not only should we adopt this document, we
>> should act towards shipping this soon after (or even at the same time as)
>> QUICv1 ships.
>>
>
> +1. I share the same view (modulo the "even local experiments" part, which
> Ryan has correctly pointed out to be overbroad).
>
> I'd also point out that downgrade prevention (which is defined in the
> draft) is a must-have for any new version. As I commented in Singapore,
> there would be some QUIC versions (e.g., token-based greasing) that cannot
> rely on the downgrade prevention mechanism defined in this document. But
> most of the new versions can.
>
> Considering these aspects, it is my view that we should adopt this
> document.
>
>
>>
>> - jana
>>
>> On Wed, Dec 11, 2019 at 1:36 PM Mark Nottingham <mnot@mnot.net> wrote:
>>
>>> This is a Call for Adoption of the following document:
>>>   https://tools.ietf.org/html/draft-schinazi-quic-version-negotiation-02
>>>
>>> The Working Group has discussed recently in Singapore, where there was
>>> support for quick adoption.
>>>
>>> Please state whether you support adoption of the document by the Working
>>> Group, and any additional information that you feel may be helpful.
>>>
>>> This call will end on 15 January 2020.
>>>
>>> Regards,
>>>
>>> --
>>> Mark Nottingham   https://www.mnot.net/
>>>
>>>
>
> --
> Kazuho Oku
>

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