When is a backup solution recommended?
Best of all, it never comes: the morning when your company finds itself without access to data or core applications relevant to success. If so, you should be sure that an orderly response will take place immediately. The more professional you are, the better you can minimize the damage.
Backup as a Service is usually recommended if your goals for speed and completeness of recovery are in the middle range. If you need your data much faster and the restored version must be much more recent, there is a lot to be said for a disaster recovery strategy. You can also find initial guidance on BaaS and DRaaS here.