Re: HTTP 'HASH' Method

On Fri, May 25, 2007, chown wrote:
> I think a 'HASH' method should be implemented into HTTP, whereby the server
> responds with a hash (md5/sha) of the requested resource. This would be a
> godsend for large networks which tend to use caching extensively, because
> caching-proxy servers could verify the source hasn't changed while creating
> a minimal amount of traffic, thereby allow the amount of time the proxy
> stores cache to be be greatly increased only at the cost of hard drive
> space.
> Not only would this benefit caching applications, but as I'm sure you could
> imagine, it could be used in may other fields, especially security.

.. E-Tag? If-Modified-Since timestamps? 



Adrian