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Re: Grease the packet type?

David Schinazi <dschinazi.ietf@gmail.com> Mon, 10 January 2022 23:39 UTC

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From: David Schinazi <dschinazi.ietf@gmail.com>
Date: Mon, 10 Jan 2022 15:39:39 -0800
Message-ID: <CAPDSy+4OnsKSR2z_X4Beq2sT=m2ugsoy4OC6EABWm0RV8a0POA@mail.gmail.com>
Subject: Re: Grease the packet type?
To: Martin Duke <martin.h.duke@gmail.com>
Cc: IETF QUIC WG <quic@ietf.org>
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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
>

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