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Re: Advertising WebSocket support in the HTTPS resource record

From: Ben Schwartz <bemasc@google.com>
Date: Tue, 19 Oct 2021 17:53:39 -0400
Message-ID: <CAHbrMsCv-KLb=6x=8hK6O-yV6ZiYcRvctNh5Kuz51EZDHyZ3fw@mail.gmail.com>
To: Dragana Damjanovic <dragana.damjano@gmail.com>
Cc: HTTP Working Group <ietf-http-wg@w3.org>
Thanks for this draft, Dragana!

As a matter of IETF procedure, I think it's best to avoid specifying a
number for the SvcParam in your draft at least until it is adopted by a
working group.  (Right now we are in a slightly awkward position, as the
SvcParam registry will be First-Come-First-Served, but it does not yet
exist.)  Your chosen value, for example, happens to collide with

On the technical side, I wonder if you've looked at
https://datatracker.ietf.org/doc/html/draft-vvv-httpbis-alps?  That
proposal would provide the SETTINGS frame earlier in the handshake,
achieving the same goal of avoiding this delay.  Compared to delivery over
DNS, it has some important benefits.  For example, it reduces the amount of
information that needs to be synchronized between HTTP servers and their
DNS zones, and encompasses any future HTTP SETTINGS as well.

On Tue, Oct 19, 2021 at 5:41 PM Dragana Damjanovic <
dragana.damjano@gmail.com> wrote:

> Hi,
> I wrote a sort draft to support advertising WebSocket support using HTTPS
> RR records.
> Any feedback is welcome.
> Kind Regards,
> Dragana
> ---------- Forwarded message ---------
> From: <internet-drafts@ietf.org>
> Date: Tue, Oct 19, 2021 at 10:54 PM
> Subject: New Version Notification for
> draft-damjanovic-websockets-https-rr-00.txt
> To: Dragana Damjanovic <dragana.damjano@gmail.com>
> A new version of I-D, draft-damjanovic-websockets-https-rr-00.txt
> has been successfully submitted by Dragana Damjanovic and posted to the
> IETF repository.
> Name:           draft-damjanovic-websockets-https-rr
> Revision:       00
> Title:          Advertising WebSocket support in the HTTPS resource record
> Document date:  2021-10-19
> Group:          Individual Submission
> Pages:          5
> URL:
> https://www.ietf.org/archive/id/draft-damjanovic-websockets-https-rr-00.txt
> Status:
> https://datatracker.ietf.org/doc/draft-damjanovic-websockets-https-rr/
> Htmlized:
> https://datatracker.ietf.org/doc/html/draft-damjanovic-websockets-https-rr
> Abstract:
>    This specification introduces a way to advertise the support for the
>    extended CONNECT feature that is used for running the WebSocket
>    protocol over a single stream of an HTTP/2 and HTTP/3 connection
>    using HTTPS resource records [HTTPSRR].
> The IETF Secretariat

Received on Tuesday, 19 October 2021 21:54:04 UTC

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