Juan & Juan J. 
Open Source Cloud Computing Systems: Practices and Paradigms [PDF ebook] 

Cloud computing is a new paradigm devoted to the provision of every network resource available as a service to a variety of users. Open Source Cloud Computing Systems: Practices and Paradigms bridges the gap between solutions and users’ needs. This book presents the most relevant open source cloud technologies available today. It offers a practical compendium of cloud technologies while also providing information on where to access these technologies, how to install them, and when it is appropriate to use one technology over another. For those deciding to start the endeavor of creating their own cloud, this book serves as a starting point for research on practical purposes and systems design.