Book excerpt: Cloud Computing has grown popular as a new prototype for providing services over the Internet. This introductory textbook on Cloud Computing is suitable for undergraduate students of computer science engineering, and for postgraduate students of computer science and computer applications. It teaches both the basic concepts and cloud technologies by adopting a straightforward approach of presenting theoretical concepts and cloud models. Several Cloud providers of distinct types are discussed here with their advantages and disadvantages. Different cloud services are also covered in this book. The book advances on the cloud architecture and cloud examples that are latest in market. Salient Features Clear and concise explanations Discussion on cloud models with diagrams In-depth analysis of various cloud architectures Numerous case studies Several questions from previous question papers