This book examines the importance of optimization in cloud computing to improve performance, reduce costs, and ensure the security of computer systems. It begins with defining the context and specific requirements for optimizing cloud environments, emphasizing the need for adaptive optimization strategies. The fundamentals of cloud computing are discussed, including deployment models such as public, private, and hybrid clouds, as well as key concepts like self-service, resource pooling, and elasticity. The document explains the main types of cloud services, including IaaS, PaaS, and SaaS, and their respective benefits for businesses. It also covers important technologies such as virtualization, which enables efficient use of hardware resources, and optimization methods including heuristic algorithms to enhance the performance of cloud systems. Special sections address resource and cost optimization, highlighting efficient pricing models and strategies for managing virtual machines. Security and.