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Re: New Version Notification for draft-kazuho-early-hints-status-code-00.txt

From: Julian Reschke <julian.reschke@gmx.de>
Date: Mon, 14 Nov 2016 05:48:50 +0100
To: Kazuho Oku <kazuhooku@gmail.com>, Alex Rousskov <rousskov@measurement-factory.com>
Cc: HTTP Working Group <ietf-http-wg@w3.org>
Message-ID: <aff70715-5424-59d7-bec5-29e9f9eb889e@gmx.de>
On 2016-11-13 13:36, Kazuho Oku wrote:
> ...
> I do not have a strong preference on whether if we should try to
> rescue the broken implementations, but to me your report is
> interesting in the fact that it shows the bounds of using header-based
> negotiation to work-around such implementations.
> HTTP headers are end-to-end by default. Therefore a request header for
> negotiating the use of 103 would go through an intermediary incapable
> of handling 1xx correctly. We might consider designating the header
> used for negotiation as a hop-by-hop header, but I'd be scared of
> using a new token to the connection header (for interoperability
> issues).
> In other words, using header-based negotiation for Early Hints only
> limitedly improves interoperability.
> ...

...but then, requiring HTTPS (in theory eliminating broken middle boxes) 
would, right?

Best regards, Julian
Received on Monday, 14 November 2016 04:49:32 UTC

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