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Re: Automatic Inpection of Caches



>At the moment it is not possible for clients to be sure that the
>cached page they are looking at has been updated since the copy
>was cached.  This e-mail proposes a protocol for cache-coherency
>of Web pages.

The Conditional GET method using If-Modified-Since solves this problem
and is already in widespread use.

Check out:

http://www.w3.org/hypertext/WWW/Protocols/HTTP1.0/draft-ietf-http-spec.html#If-Modified-Since

>I have cc'd this to www-lib as I'm not sure if www-proxy is still
>a valid list.
>
>Huw Evans

Apparently www-proxy is still a valid list, it is just that the volume
of traffic is very low.

Neil Smith
HENSA Unix


References: