> Getting down to the item level would be tough to accept due to the overhead > involved, one would think though. There may be some ways of getting closer to > access control though without going down to the item level.
This seems like it'll be solved by an engine dealio. Mapping a user to an internal instance of the storage system. Sort of like running multiple instances, *cough*. Getting super granular access levels for a web cache (more than a few dozen users) would be insane, but if someone really wants to they could implement a storage engine for it. It'd be incredibly inefficient on memory, compared to keeping the number of users down or even running multiple instances. -Dormando
