Cloud technologies are, and will continue to be, a significant part of every firm's tech portfolio. The challenge is filtering through the confusing definitions, endlessly complex scenarios, and grandiose migration claims to understand the best strategy for your organization. Forrester offers its cloud computing playbook to infrastructure and operations (I&O) professionals who need to harness cloud to deliver on their future fit technology strategy. The playbook delivers a pragmatic, step-by-step roadmap for developing a timely and differentiating cloud strategy. This is an update of a previously published report; Forrester reviews and revises it periodically for continued relevance and accuracy.