Cloud service providers such as ourselves replicate your entire primary production site including files, applications, physical and virtual machines to our offsite data center. This means that in an offsite location, a virtual replica of your entire production site is available with all preceding changes being replicated in real-time or in periodic snapshots.
As mentioned above, traditional DR is an expensive strategy that is not common among businesses today. However, some organizations that would rather not have cloud-based disaster recovery run various setups that derive a similar concept as that of traditional DR setups and the various types of secondary DR sites involved. They include;
While backup is designed to provide data protection and archiving, replication is designed to reduce Recovery Time and Point Objectives (RTOs and RPOs) by providing very fast recovery. It ensures business-critical applications and systems are always available even after an outage.
Recovery objectives are a measure of your disaster recovery plan. Making a decision on whether to backup data or to replicate business-critical systems, how often to backup, how much downtime you can endure and how much data you can stand to lose is determined by setting your recovery objectives