10. Cloud Technology

This chapter delves into the core technologies of cloud computing, categorizing them into Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). It explains the technical stack behind end-user applications, detailing how responsibilities shift from the customer to the cloud vendor as one moves from IaaS to SaaS. The chapter also covers the geographical organization of cloud infrastructure, types of compute services, and various storage options. Additionally, it introduces platform services, application services, and operational services, providing a holistic view of how cloud technologies support modern application development and deployment. The chapter concludes by summarizing the differences and use cases of these services, making it an essential read for anyone looking to understand the foundational aspects of cloud computing.