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.
>I have cc'd this to www-lib as I'm not sure if www-proxy is still
>a valid list.
Apparently www-proxy is still a valid list, it is just that the volume
of traffic is very low.