Understanding High Availability and Disaster Recovery in Your Overall Recovery Strategy

When developing a disaster recovery strategy, customers frequently ask me to clarify the difference between disaster recovery and high availability. And now with the rise of cloud computing, they also ask, “How will cloud make a difference in what I should consider?” The last question first. There are two sides to a cloud; the service side characterized by a self-service portal and ubiquitous access, and the architecture side built on separated geographic locations supporting redundant data and processing. When developing your recovery strategy, cloud computing environments must be considered from the application architecture point of view, rather than a service…