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Re: Working Group Last Call: draft-ietf-httpbis-early-hints-02

From: Willy Tarreau <w@1wt.eu>
Date: Fri, 19 May 2017 23:54:51 +0200
To: Julian Reschke <julian.reschke@gmx.de>
Cc: Mark Nottingham <mnot@mnot.net>, "ietf-http-wg@w3.org Group" <ietf-http-wg@w3.org>, Patrick McManus <mcmanus@ducksong.com>, Kazuho Oku <kazuhooku@gmail.com>
Message-ID: <20170519215451.GC23629@1wt.eu> 
On Fri, May 19, 2017 at 04:06:49PM +0200, Julian Reschke wrote:
>    HTTP/2 ([RFC7540]) server push can be used as a solution to this
>    issue, but has its own limitations.  The responses that can be pushed
>    using HTTP/2 are limited to those belonging to the same origin.
>    Also, it is impossible to send only the links using server push.
> 
> That's not clear to me. We could HTTP/2-push a HEAD response with link
> header fields, no? Or a GET response which has links in the payload...

Indeed. Probably the wording could be relaxed, saying it's "non-trivial"
or "not straightforward" instead of "impossible".

Willy
Received on Friday, 19 May 2017 21:55:27 UTC

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