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Re: [Webtransport] Confirming Consensus on WebTransport protocols

Alan Frindell <afrind@fb.com> Tue, 12 January 2021 18:10 UTC

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From: Alan Frindell <afrind@fb.com>
To: David Schinazi <dschinazi.ietf@gmail.com>, WebTransport <webtransport@ietf.org>
Thread-Topic: [Webtransport] Confirming Consensus on WebTransport protocols
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Archived-At: <https://mailarchive.ietf.org/arch/msg/webtransport/RYIU8YQ2ZO7na6OOfFN6ZRgygCE>
Subject: Re: [Webtransport] Confirming Consensus on WebTransport protocols
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I support the consensus on Question 1 and Question2.

> Additionally, we discussed pooling and decided that we would
not allow pooling in WebTransport over HTTP/3 for now, due
to the complexities of pooling.

I think this statement is worded too strongly.  We discussed pooling and made it clear that choosing H3 does not mandate that we will support pooling. My understanding is that it will continue to be discussed in the working group.

-Alan

From: Webtransport <webtransport-bounces@ietf.org> on behalf of David Schinazi <dschinazi.ietf@gmail.com>
Date: Tuesday, January 12, 2021 at 9:26 AM
To: WebTransport <webtransport@ietf.org>
Subject: [Webtransport] Confirming Consensus on WebTransport protocols

Hi WebTransport enthusiasts,

Today we had an interim of the IETF WEBTRANS WG,
where we reached consensus in the (virtual) room on
the following questions:

Question 1: number of protocols
    Should the working group adopt only one UDP-based transport?
    1A: only one transport (QUIC or HTTP/3)
    1B: multiple transports (QUIC and HTTP/3)

The consensus was option 1A.

Additionally, we noted that this does not preclude us from
building a second protocol at a later date if new information
emerges.

Question 2: UDP-based protocols
    Which UDP-based option should we adopt as a starting
    point for WebTransport protocol?
    2A: WebTransport over HTTP/3
    2B: WebTransport over QUIC directly (separate ALPN)

The consensus was option 2A.

Additionally, we discussed pooling and decided that we would
not allow pooling in WebTransport over HTTP/3 for now, due
to the complexities of pooling.

We'd like to confirm this consensus on the list. If you disagree
with these points, please reply on the list. If you do so, please
state how strongly you feel - whether you are expressing a
preference, or an imperative. Please also provide as much
detail as possible to explain your position. Please also respond
if you support this consensus - a simple "I support this consensus"
email to the list would be helpful.

We'll be running this consensus call for two weeks, please reply
before 2021-01-26, the chairs will determine consensus on that date.

Thanks,
David

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