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Re: intermediaries, implicit gzip, etags, no-transform

From: Julian Reschke <julian.reschke@gmx.de>
Date: Fri, 20 Jun 2014 23:17:39 +0200
Message-ID: <53A4A4F3.3010004@gmx.de>
To: Johnny Graettinger <jgraettinger@chromium.org>
CC: Michael Piatek <piatek@google.com>, HTTP Working Group <ietf-http-wg@w3.org>
On 2014-06-20 23:08, Johnny Graettinger wrote:
>             If you have specific examples of real sites broken by this
>             behavior,
>         please let me know and we'll investigate.
>     We just (two weeks ago) killed implicit gzip in HTTP/2, so we're
>     pretty sure it's a serious problem.
> My recollection (and that of the meeting minutes
> <https://github.com/httpwg/wg-materials/blob/master/interim-14-06/minutes.md>) was
> that we killed implicit gzip because there are gnarly HTTP/1 spec
> conformance issues, and a similar outcome can be achieved if first-mover
> HTTP/2 deployments refuse HTTP/2 requests with a-e: identity. I don't
> recall it being substantiated as a "serious problem" in that conversation.

The serious problem is that changing the content-coding while not 
changing the ETag can break conditional requests and range requests. 
That falls under my definition of "serious".

Best regards, Julian
Received on Friday, 20 June 2014 21:18:20 UTC

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