I sent this suggestion to the original poster of the thread and it may have become lost: Project proposal: integrate Suse DeltaRPM software with yum to improve bandwidth efficiency when updating a distribution. I've experimented with this and I've got good results (see http://www.wombat.ie/software/rpmdc/manual.html ). However my implementation is heavy, requiring Java, Tomcat etc. Joe. -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list