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Re: "Timeout" request header to tell server to wait for resource to become available

From: Martin Thomson <martin.thomson@gmail.com>
Date: Mon, 30 Mar 2015 08:20:40 -0700
Message-ID: <CABkgnnV2AKxCXEmmjPhGwYTfRwQprO+zxCoqudmPG61TWtz-yg@mail.gmail.com>
To: Brendan Long <self@brendanlong.com>
Cc: HTTP Working Group <ietf-http-wg@w3.org>
On Mar 29, 2015 8:34 AM, "Brendan Long" <self@brendanlong.com> wrote:
>
> I don't think the semantics I want are the same. RFC 7240's "wait"
> indicates how long a client is willing to wait for a server to finish
> processing, but what I'm looking for is a way to tell the server that we
> want it to wait, even though it could respond now.
>
> Maybe the "Wait-Until: available" or "Wait-Until: etags-change" variant
> makes this more clear?

If-None-Match in combination with Prefer: wait does exactly what you want
here.
Received on Monday, 30 March 2015 15:21:08 UTC

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