Re: Setting to disable HTTP/2 Priorities

Brad Lassey <lassey@google.com> Thu, 25 July 2019 20:23 UTC

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References: <CALjsk164zz+nDy5ZmOhvCscBQrBNMKTW0fz7Zxy=KtVx+ktz+Q@mail.gmail.com> <20190725191746.GB12596@ubuntu-dmitri> <CALGR9ob33Gaf2BP2i3Oo1hL=wPNQEpGOn_5tkCDtxamrnq=kdg@mail.gmail.com>
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From: Brad Lassey <lassey@google.com>
Date: Thu, 25 Jul 2019 16:06:38 -0400
Message-ID: <CALjsk176o8B4rfhZxYgGorerV5BnQV4LWnFYCatCehy+xh9C7g@mail.gmail.com>
To: Lucas Pardue <lucaspardue.24.7@gmail.com>
Cc: HTTP Working Group <ietf-http-wg@w3.org>
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Subject: Re: Setting to disable HTTP/2 Priorities
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On Thu, Jul 25, 2019 at 3:35 PM Lucas Pardue <lucaspardue.24.7@gmail.com>;
wrote:

> Hey Dmitri,
>
>
> On Thu, Jul 25, 2019 at 8:21 PM Dmitri Tikhonov <
> dtikhonov@litespeedtech.com>; wrote:
>
>> From the draft:
>>
>> " 3.  The SETTINGS_ENABLE_HTTP2_PRIORITIES SETTINGS Parameter
>> "
>> "    This document adds a new SETTINGS parameter to those defined by
>> "    [RFC7540], Section 6.5.2.
>> "
>> "    The new parameter name is SETTINGS_ENABLE_HTTP2_PRIORITIES.
>>
>> Including "HTTP2" in the name is superfluous:  Since this is an
>> HTTP/2 setting, it deals with HTTP/2 priorities.
>>
>
> I agree with your observation
>

>
>> Or was "HTTP2" added to the name to differentiate it from possible
>> future priority mechanisms?  In that case, I suggest s/HTTP2/RFC7540/
>>
> I think this is true, where HTTP2 here refers to RFC7540 (and the priority
scheme defined there) and it would be possible for two peers to negotiate a
different priority scheme via and extension to use for the session.

>
> My observation is that WG is using a range of terms to refer to
>
> * HTTP/2's tree-based priority model
> * signalled using HTTP/2 frames
> * HTTP/3's HTTP/2-inspired-tree-based priority model
> * signalled using HTTP/3 frames
>
> Refining these terms would help in generak IMO, and would probably get
> reflected back into the name of this setting.
>
> Lucas
>