There was a time when Disaster Recovery was mostly for companies running extremely mission critical applications like banks and stock exchanges. But then every business needs to have a DR strategy in place. As we've seen in recent years, natural disasters can lead to long-term downtime. Because earthquakes, hurricanes, snow storms, or other events can put datacenters and other corporate facilities out of commission for a while, it's vital that companies have in place a comprehensive disaster recovery (DR) plan.

http://businessworld.in/en/storypage/-/bw/disaster-recovery-on-demand-essential-for-smes/856900.37540/page/0