This document discusses HP CloudSystem, a platform for building and managing clouds. It defines cloud computing as scalable IT capabilities delivered as a service using internet technologies. Cloud services are shared and standardized. The document outlines different types of cloud services and delivery models. It notes that business is adopting cloud computing faster than IT due to concerns around security, vendor lock-in, and service level agreements. The strategic role of the CIO is changing to include building and brokering cloud services. HP CloudSystem offers a complete, integrated system for building private, public and hybrid clouds with automated lifecycle management from infrastructure to applications.