Changes in Source Control Repositories can be placed on FTP/HTTP. Ability to host repository mirrors or link to accessible trees from the central LinuxSH page. History preservation Important for Signed-off-by tags. Easier to identify changes and the reason for them in the event of breakage. ChangeSets Easier integration of changes. In to private trees. In to mainline. Ability to back out bad changes. 21-09-2004 Non confidential