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It allows users to access computing resources, such as servers, storage, databases, and software applications, on demand and pay only for the resources they use. This model offers several benefits, including scalability, flexibility, cost effectiveness, and easy maintenance. The Wikipedia page on cloud computing provides a comprehensive overview of the concept, discussing its history, characteristics, architecture, service models, and deployment models. It explores the origins of cloud computing and how it has evolved over time, highlighting key milestones and advancements. The page delves into the characteristics of cloud computing, such as on-demand self-service, broad network access, resource pooling, rapid elasticity, and measured service. It also discusses the various layers of the cloud computing architecture, including infrastructure as a service (IaaS), platform as a service (PaaS), and software as a service (SaaS). Additionally, the page explores different deployment models of cloud computing, including public cloud, private cloud, hybrid cloud, and community cloud. It delves into the advantages and considerations of each model and provides real-world examples and use cases. The page also discusses the benefits and challenges of cloud computing, including improved scalability and reliability, reduced costs, and increased flexibility. It explores various concerns related to cloud computing, such as security, privacy, and data sovereignty, and provides an overview of the strategies used to mitigate these risks. Furthermore, the page explores the ecosystem and major players in the cloud computing industry. It provides information about popular cloud service providers, such as Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform, as well as open-source platforms, such as OpenStack. Overall, the Wikipedia page on cloud computing is a comprehensive resource that provides a detailed understanding of the concept, its characteristics, architecture, deployment models, and benefits and challenges. It caters to both beginners and advanced users, offering valuable insights into this transformative computing model.