Initial development of this module was performed by kkaefer, this was sponsored by NowPublic.
This module has now been renamed to Bundlecache and maintenance is now done by Wim Leers (see #962178: Rename/migrate to Bundlecache and provide a stable D6 release.).
So please, go take a look at the Bundlecache module!
Drupal is a registered trademark of Dries Buytaert.