Re: HTTP/2 GREASE, Results, and Implications

Stefan Eissing <stefan.eissing@greenbytes.de> Mon, 04 November 2019 08:59 UTC

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From: Stefan Eissing <stefan.eissing@greenbytes.de>
In-Reply-To: <20191101131903.GA1988@1wt.eu>
Date: Mon, 04 Nov 2019 09:56:13 +0100
Cc: Bence Béky <bnc@chromium.org>, Mike Bishop <mbishop@evequefou.be>, HTTP Working Group <ietf-http-wg@w3.org>
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References: <BN6PR2201MB1700D10A34C72213C78E09A6DA630@BN6PR2201MB1700.namprd22.prod.outlook.com> <20191031155259.GC30674@1wt.eu> <CACMu3trL5UMukoPd8Nr4W-bMsyH+WKUnwg16yxu3tN5D=uZt8w@mail.gmail.com> <20191031203458.GA31017@1wt.eu> <CACMu3toue60Y_6Qxpzsqw-fOByc3Qjv=AG8Ed_DGvkR1EYn+4w@mail.gmail.com> <20191101131903.GA1988@1wt.eu>
To: Willy Tarreau <w@1wt.eu>
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Subject: Re: HTTP/2 GREASE, Results, and Implications
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Thanks for mitigating this. 

> Am 01.11.2019 um 14:19 schrieb Willy Tarreau <w@1wt.eu>:
> 
> On Fri, Nov 01, 2019 at 07:43:51AM -0400, Bence Béky wrote:
>> Hi Willy,
>> 
>> Yes, I agree with you.  My current plan is to make Chrome send a frame of
>> reserved type
>> * on stream 0, after the SETTINGS frame;
>> * on non-zero streams, after each HEADERS and DATA frame that does not have
>> the END_STREAM flag set;
>> * or alternatively, after each HEADERS and DATA frame, and if the stream
>> should be closed, then send an empty DATA frame with END_STREAM after the
>> reserved frame.
>> 
>> I think this conforms to the state transition requirements you summarized.
> 
> Yes that sounds good.
> 
>> Thank you for the guidance.  I'll keep the list posted.
> 
> Thanks!
> Willy
>