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Re: HTTP/2 GREASE, Results, and Implications

From: David Benjamin <davidben@chromium.org>
Date: Thu, 31 Oct 2019 15:05:16 -0400
Message-ID: <CAF8qwaCTbxtLRDuRGbdgoQF+rB3uZTyRjnOe_xQNx4PbRZtXkg@mail.gmail.com>
To: Willy Tarreau <w@1wt.eu>
Cc: Bence Béky <bnc@chromium.org>, Mike Bishop <mbishop@evequefou.be>, HTTP Working Group <ietf-http-wg@w3.org>
On Thu, Oct 31, 2019 at 1:18 PM Willy Tarreau <w@1wt.eu> wrote:

> On Thu, Oct 31, 2019 at 01:08:53PM -0400, Bence Béky wrote:
> > Thanks, Willy, for pointing out the different sections of RFC7540
> > concerning unknown frame types.  It seems to me that for the past few
> days
> > Chrome (on certain channels) has been sending frames on half-closed
> > (remote) streams.  It might be worth fixing that and re-running the
> > experiment.  I'll circle back with results if we end up doing that.
> OK. I have a pending patch ready for testing on the haproxy front which
> addresses this mismatch. The only thing is that chrome beta doesn't seem
> to be available on linux so I constantly have to bother other people for
> testing, which takes time :-/

Chrome beta (also dev channel) should be available on Linux. See
https://www.google.com/chrome/beta/?platform=linux. (Or if you've already
gotten the apt repository added, I believe the google-chrome-beta package
should work.) It also uses a separate profile directory, so it won't
conflict with your usual install. Hopefully that'll ease testing.

> Regarding the impacts on our uesrs of anoyher test, I'm not much worried
> of the risk to break a few sites running unfixed versions of haproxy if
> a new Chrome version enables the test again; we've faced some hard to
> diagnose bugs not too long ago and users are trained to disable H2 if
> something really bad happens. Of course it's not desirable but it's not
> as if everything definitely broke. Also our community tends to be quite
> reactive when it comes to applying important fixes. Thus I full support
> restarting the test ASAP :-)
> Cheers,
> Willy
Received on Thursday, 31 October 2019 19:05:37 UTC

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