There are many factors to consider when it comes to how fast your systems recover from a backup. Are you recovering from incremental, differential, or full backups?
Backup has been around for decades but with new technologies emerging to help save data, replication has become the new kid on the block. It's important to recognize the difference between the two and what it means for a business. Does the company need backup or does it need replication? Would it benefit to have both?