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Re: #468 p2: Expectation extensions (was: Expect header 'understand' vs 'meet')

From: Michael Sweet <msweet@apple.com>
Date: Sat, 10 Aug 2013 19:03:29 -0400
Cc: Willy Tarreau <w@1wt.eu>, "Roy T. Fielding" <fielding@gbiv.com>, IETF HTTP WG <ietf-http-wg@w3.org>
Message-id: <7006D5A8-93CF-46FD-B2FE-E9EF276E6B40@apple.com>
To: Poul-Henning Kamp <phk@phk.freebsd.dk>
On 2013-08-10, at 5:37 AM, Poul-Henning Kamp <phk@phk.freebsd.dk> wrote:
> In message <20130810092804.GO4079@1wt.eu>, Willy Tarreau writes:
>> I disagree with deprecating it, it's the only way to send non-idempotent
>> request over a reused connection. 
> Not really.
> Send the headers, wait a RTT to see if you get an ACK, if not abandon.
> It's much faster than using Expect and at least as realiable.

Not really, no.  Many server implementations, in the absence of an Expect header, will simply consume the entire POST/PUT and *then* respond.

Michael Sweet, Senior Printing System Engineer, PWG Chair
Received on Saturday, 10 August 2013 23:03:55 UTC

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