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;