Offering a practical approach to planning, building, and running Infrastructure as a Service (IaaS) clouds, this book looks at how the Data Center industry is evolving toward complete Cloud deployment. After an introduction of the Data Center evolution leading up to virtualization, coverage moves on to the functional building blocks of Cloud IaaS. In addition, the authors answer some of the most frequently asked questions about deploying and managing IaaS, finding the right Cloud models for a specific environment, and the handling the challenges of security and resource management.