Most enterprises do their entire full backup job over the weekend so they have enough backup-window time to get the job done. The infrastructure that you must build to handle a huge data load that only happens once a week. The rest of the week that infrastructure typically goes heavily underutilized. The ability to reduce the size of a full backup can significantly reduce the ongoing investment in the backup infrastructure. Just as virtualization changed the server world, something has to change in backup world, says George Crump.”]
Source: https://www.darkreading.com/database-security/cost-reducing-the-backup-infrastructure