The Cloud is not just the Public Cloud: It’s easy to think of the Cloud as just some place outside your organization to store data or run applications. Fundamentally, the Cloud is a strategy that allows enterprises to change how they approach IT.
Clouds begin at Home: Your goal is IT agility. Agility is not predicated on rip and replace. Consider transforming / evolving your infrastructure into a cloud based model (Private Cloud model).
Virtualization is Key: The key to any Private Cloud deployment is virtualization. Implement a highly virtualized environment to take full advantage of a cloud based infrastructure. Remember though, Virtualization is not Cloud.
Open Standards: Open is key wherever possible. Look to open standards, or companies that based their architecture on open standards, whenever possible.
Evolution is Possible: Moving to cloud is an evolution. It doesn’t have to be a revolution.
Enterprise Cloud 
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