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Re: Active proxy 'problems'

From: Tim Bagot <tsb-w3-html-0004@earth.li>
Date: Sun, 30 Jun 2002 21:58:31 +0000 (UTC)
To: <www-html@w3.org>
Message-ID: <Pine.LNX.4.33.0206302151290.923-100000@213-152-52-166.dsl.eclipse.net.uk>

At 2002-06-30T22:50+0200, N. Coesel wrote:-

> I've read the parts that concern caching from the RFC2616 (Hypertext
> Transfer Protocol -- HTTP/1.1 ) but it seems there is no way to tell an
> active proxy cache at the client side: "Do not refresh this document until
> somebody actually wants it!".

HTTP does not have a way to do this because a caching proxy is not
expected to act in such a strange and inefficent way in the first place.
(I'm not claiming that refreshes should never be pre-emptive, but clearly
that should occur only when a resource is requested frequently enough for
it be useful.)

Tim Bagot
Received on Sunday, 30 June 2002 17:58:43 GMT

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