Thank you for reading this all the way through. I hope you enjoyed reading it as much as I enjoyed writing it. One thing I particularly liked about writing this book is it's basically about documenting the collective experience I gained from dealing with customers. As someone working on the vendor side, I only know the theory. It is the customers who live with the implementation once the consultants leave, facing the production environment and end users directly.

I'd like to recap the key messages that you read. I hope they resonate and you see the practicality in your environment.

In the first chapter, I set out to explain why virtualization is a much larger change in the evolution of IT. I highlighted the common misconceptions about virtualization, with the goal of setting a strong foundation for the rest of the book. This chapter provided an extensive comparison between the physical server and the virtual machine, and between the physical data center and a virtual data center. The...