Dale Sykora wrote: > I know of a few techniques for minimizing server bandwidth when > bittorent is not an option. > > 1) If you have the beta isos, you can rename them as centos 5 isos and > then rsync from a mirror that allows rsync (such as kernel.org). Then > only changes from beta to centos 5 plus some overhead is downloaded. I > suppose you could use this technique with bittorrent too. > if one file near the beginning of the ISO changes size by even a block, then the whole rest of the ISO will be different, this will gain you nothing.