In this chapter, we will focus on demonstrating one of the very useful built-in features of OpenStack. This would be the capability of being able to centrally manage multiple OpenStack regions that could be running in separate geographical locations. The concept of regions within OpenStack is not a new one, but ask yourself whether you have ever actually seen it done. On many occasions, I found myself unclear on the steps needed to accomplish this. Well today is the day you will have a positive response to that question.
With stability and availability currently being popular topics within the OpenStack community, I thought it would be good to share a viable use case to accomplish cloud high availability. This will be just one of the many ways a cloud operator could set this up. As we may already know, OpenStack can meet numerous high-availability requirements. We will briefly review those scenarios and then transition to why you would use this...