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Re: Expect: + Upgrade: = ...

From: Willy Tarreau <w@1wt.eu>
Date: Fri, 6 Sep 2013 00:15:40 +0200
To: Martin Thomson <martin.thomson@gmail.com>
Cc: "Roy T. Fielding" <fielding@gbiv.com>, Michael Sweet <msweet@apple.com>, Daniel Stenberg <daniel@haxx.se>, Amos Jeffries <squid3@treenet.co.nz>, HTTP Working Group <ietf-http-wg@w3.org>
Message-ID: <20130905221540.GB31645@1wt.eu>
On Thu, Sep 05, 2013 at 01:30:31PM -0700, Martin Thomson wrote:
> On 5 September 2013 11:17, Roy T. Fielding <fielding@gbiv.com> wrote:
> >
> > Using both Expect: 100-continue and Upgrade, at the same time,
> > will work fine -- it can be implemented as already specified.
> > 100 is required to be sent first.
> 
> Reading http://tools.ietf.org/html/draft-ietf-httpbis-p1-messaging-23#section-6.7,
> this wasn't obvious, should it be?

I see no alternative in fact. Anyone in the chain may emit a 100
and the client has to be prepared to drain any number it sees before
a final response. 101 is not final, but it's half-way to the final
one.

Regards,
Willy
Received on Thursday, 5 September 2013 22:17:39 UTC

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