Also, the application design must be such that it can be transferred from one cloud environment to another. Even if one is "locked in" via application requirements or design, it's amazing just what pricing flexibility can be generated by even the threat of potential provider switching.

5. Management: Recognize that cloud computing is a new operation mode and cost tracking and application utilization monitoring are critical IT skills. Set up a group that examines ongoing financial performance to ensure maximum cost/benefit outcomes.

Don't staff the group with only finance people either. Technical skills are required as well to enable a full 360 degree evaluation of application financial and technical performance. Above all, realize that IT is now in the service provider business, and service providers pay attention to operational costs all the time.

Bernard Golden is CEO of consulting firm , which specializes in virtualization, cloud computing and related issues. He is also the author of "Virtualization for Dummies," the best-selling book on virtualization to date.

Follow Bernard Golden on Twitter @bernardgolden. Follow everything from CIO.com on Twitter @CIOonline