Outages are inevitable. As we’ve seen over the past few years, every major cloud vendor’s experienced at least one, and we can expect that they will again at some point in the future. As cloud consumers, we need to be able to use the cloud’s building blocks and unlimited resources (at least, in theory), and create service robustness and high availability. Yet, important issues, like SLAs, remain unclear when it comes to consuming resources and services from IaaS vendors.Today, more than ever, online software service vendors, have a lot to lose when their services suffer from performance degradation. They could lose significant amounts of revenue as a result of actual outages as well as diminished user loyalty. In this article, I will share baseline perceptions and methods of cloud-based DR.

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