Re: QUICWG Temporary IANA Registry

Dmitri Tikhonov <dtikhonov@litespeedtech.com> Wed, 03 February 2021 13:36 UTC

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Date: Wed, 3 Feb 2021 08:36:04 -0500
From: Dmitri Tikhonov <dtikhonov@litespeedtech.com>
To: Samuel Hurst <samuelh@rd.bbc.co.uk>
Cc: IETF QUIC WG <quic@ietf.org>
Subject: Re: QUICWG Temporary IANA Registry
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Hi Sam,

On Wed, Feb 03, 2021 at 10:21:28AM +0000, Samuel Hurst wrote:
> I have a question with regards to the Temporary IANA Registry page
> hosted on the QUICWG GitHub wiki [1]. Is this page free for anyone to
> edit to add to, or only for drafts that have adoption? I'm working on a
> draft to add a new H3 frame type, and I'd like to make sure that I don't
> end up using a frame type code that someone else ends up using as well.

Yes: go ahead and add to it.

> A related question, but is there any restriction on what values an
> experimental extension may choose? I'm currently running on the
> assumption that it's not one listed in the temporary registry [1], a
> code point in the HTTP/2 registry [2], not part of the standards-action
> range 0x00-0x3f or one of the "MUST NOT be assigned" code points in the
> range of `0x1f * N + 0x21` as detailed by quic-http [3]. To that end,
> I'm currently thinking of using 0xD0F, would that be fine?

Yes, this value is fine.  (If you expect your extention to evolve and
the frame format to change, one approach is to use a different value
in your initial drafts, e.g 0xFF...D0F, while targeting 0xD0F to be
the final value.)  In any case, do add it to the list to call dibs.

  - Dmitri.