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Re: HTTP/2 vs 1.1 semantics: intermediate codes

From: Julian Reschke <julian.reschke@gmx.de>
Date: Thu, 12 Jun 2014 20:06:11 +0200
Message-ID: <5399EC13.7090804@gmx.de>
To: Jason Greene <jason.greene@redhat.com>
CC: Martin Thomson <martin.thomson@gmail.com>, HTTP Working Group <ietf-http-wg@w3.org>
On 2014-06-12 19:56, Jason Greene wrote:
>
> On Jun 12, 2014, at 12:12 PM, Julian Reschke <julian.reschke@gmx.de> wrote:
>
> -snip-
>
>>
>>> In the 20+ years of HTTP, we've defined 3 1xx codes in total.
>>>
>>> Of those,
>>>    a. HTTP/2 provides a far superior alternative to 100
>>>    b. HTTP/2 does not need 101.
>>>    c. 102 has been long deprecated.
>>>
>>> So while I can agree that the capability is interesting from a
>>> theoretical standpoint, it's quite hard to justify spending effort on
>>> a feature that is some combination of not needed, not wanted and not
>>> used.
>>
>> Chicken-and-egg. APIs do not give access to 1xx codes, so nobody is using them right now.
>
> Thatís not entirely accurate. Expect-100 is used by default with all MS .NET Web Services. Itís supported (although usually not on by default) by various Java frameworks as well.

What I meant is that the 1xx are not exposed. Neither in the servlet 
API, nor in XHR (these are the APIs I care about).

Best regards, Julian
Received on Thursday, 12 June 2014 18:06:47 UTC

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