Cloud computing: business trends and technologies

CLOUD COMPUTING; Contents; About the Authors; Acknowledgments; 1 Introduction; References; 2 The Business of Cloud Computing; 2.1 IT Industry Transformation through Virtualization and Cloud; 2.2 The Business Model Around Cloud; 2.2.1 Cloud Providers; 2.2.2 Software and Service Vendors; 2.3 Taking Cloud to the Network Operators; References; 3 CPU Virtualization; 3.1 Motivation and History; 3.2 A Computer Architecture Primer; 3.2.1 CPU, Memory, and I/O; 3.2.2 How the CPU Works; 3.2.3 In-program Control Transfer: Jumps and Procedure Calls; 3.2.4 Interrupts and Exceptions-the CPU Loop Refined.