Re: Grease the packet type?

Marten Seemann <martenseemann@gmail.com> Tue, 11 January 2022 05:44 UTC

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From: Marten Seemann <martenseemann@gmail.com>
Date: Tue, 11 Jan 2022 09:44:25 +0400
Message-ID: <CAOYVs2rK7_ob-OOWURCmk-F3uy+Co6vBovqXWocY+D7z554Trw@mail.gmail.com>
Subject: Re: Grease the packet type?
To: David Schinazi <dschinazi.ietf@gmail.com>
Cc: Martin Duke <martin.h.duke@gmail.com>, IETF QUIC WG <quic@ietf.org>
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This is a good idea. Should be easy enough to implement.

On Tue, Jan 11, 2022 at 3:40 AM David Schinazi <dschinazi.ietf@gmail.com>
wrote:

> I like this. It would be easy to implement for us, and might help a little
> bit ossification-wise.
>
> David
>
> On Mon, Jan 10, 2022 at 3:24 PM Martin Duke <martin.h.duke@gmail.com>
> wrote:
>
>> This issue hasn't gotten much attention in QUICv2:
>> https://github.com/quicwg/quic-v2/issues/7
>>
>> Basically, we could simply reassign the packet type codepoints in v2 to
>> so that Initials are a codepoint other than 0b00.
>>
>> For example:
>> Initial = 0b01
>> 0-RTT = 0b10
>> Handshake = 0b11
>> Retry = 0b00
>>
>> To the extent the purpose of v2 is grease stuff, this seems like a pretty
>> simple and good thing to do. To the extent it's supposed to exercise
>> version negotiation, this change is a needless distraction.
>>
>> Does the WG think this is worthwhile? I hope to issue the next draft with
>> the provisional version number allocation, so this is the right time to
>> make this sort of change.
>>
>> Martin
>>
>