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On Sun, Jan 26, 2003 at 08:41:25AM +0000, Miles Sabin wrote:
> I disagree. Abstract Resources aren't needed for HTTP caching. Nothing
> would break if you thought of it as operating in terms of entities with
> URIs telling a cache where to go to get a fresh entity when the current
> one is stale.
Try to explain the role of the HTTP Vary header, without saying
"resource", "thing", "that which a URI identifies", or the equivalent.
You can't, because in order to discuss the relationship between
representations, you need more than the URI; you need the concept of the
thing that is identified by that URI.
Mark Baker. Ottawa, Ontario, CANADA. http://www.markbaker.ca
Web architecture consulting, technical reports, evaluation & analysis