Re: Caching Algorithms

From: Alex Rousskov <>
Date: Thu, 30 Jul 1998 16:12:49 -0600 (MDT)

On Thu, 30 Jul 1998, Duane Wessels wrote:

> >This is how Netscape's internal cache works (if it can't contact the host,
> >it displays the previously cached copy even if the page instructed not to
> >cache or to expire).
> This is on my todo list....

One thing we must do to support this is to attach a Warning reply header.
When using a stale copy because of the site being down, Netscape _warns_
users that the copy is stale. Squid must do the same with an appropriate
"Warning:", such as "11 Revalidation failed".

Received on Thu Jul 30 1998 - 15:17:21 MDT

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