Re: [quicwg/base-drafts] Disconnect version number from draft number (#3062)

Kazuho Oku <> Tue, 24 September 2019 02:43 UTC

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From: Kazuho Oku <>
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Subject: Re: [quicwg/base-drafts] Disconnect version number from draft number (#3062)
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@LPardue Yeah I think I get that.

My point is that if we are say that the ALPN identifier changes only when the HTTP/3 draft makes a wire-incompatible change, a single HTTP/3 draft could match to multiple versions of QUIC transport drafts (that are incompatible with each other), and therefore that the "quic" parameter would be useful.

If we are going to update the ALPN identifier when either of the HTTP/3 draft or the transport draft changes, then there would be no benefit in sending the "quic" parameter.

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