How are server virtualization and mobility making cloud disaster recovery more feasible today?
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There is no denying that the benefits of server virtualization and the move to allowing end users to work from personal, mobile devices have been among the biggest trends driving IT over the last several years. It is not just the evolution and widespread adoption of these types of technologies that is significant, however, but also the domino effect they have had with regard to other technologies. This is especially true for cloud disaster recovery.
Cloud-based DR is nothing new. Cloud backup solutions have existed for many years. However, these solutions have changed a lot. In the not-too-distant past, cloud data protection was primarily about creating on-premises backups, then replicating those backups to the cloud.
Although this type of data protection is still widely used, some cloud service providers have begun supporting virtual machine (VM) replication. As such, the benefits of server virtualization have enabled organizations to replicate their VMs to the cloud. In the event of an outage, a cloud-based VM copy can be activated as a way of maintaining business continuity.
The impact that mobility has had on cloud-based DR is a little less obvious. On the surface, it might initially seem that the only real connection between mobile devices and cloud DR is the ability to synchronize devices to the cloud. However, there is more to it than that.
In the past, workstations were often the weak link in a multiple-data-center DR plan. Some organizations would plan to run critical services in a secondary data center in the event of a major disaster, but didn't always have a way for displaced users to continue to do their jobs.
Today, mobility is taking the user's desktop out of the equation. In the event of a major disaster, users can use their mobile devices to connect to resources that have failed over to the cloud and continue working.
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