5 4 3 Principles of cloud computing

Five Essential Characteristics of Cloud Computing: On-demand self-service: Users can provision computing resources, such as servers and storage, as needed without human intervention from the service provider. Broad network access: Cloud services are accessible over the internet and can be accessed through various devices, promoting use by different client platforms. Elastic resource pooling: Cloud providers dynamically allocate and reassign computing resources to serve multiple customers efficiently in a multi-tenant environment. Rapid elasticity: Cloud services can quickly scale up or down based on demand, allowing resources to be provisioned and released rapidly. Measured service: Cloud systems automatically control and optimize resource usage, and customers are billed based on their actual usage of computing resources. Four Cloud Deployment Models: Private Cloud: The cloud infrastructure is used exclusively by a single organization and may be owned, managed, and operated by the organization or a third party. It can be located on-premises or off-premises. Public Cloud: The cloud infrastructure is open for use by the general public and is owned, managed, and operated by a cloud service provider. It is typically located on the premises of the cloud provider. Community Cloud: The cloud infrastructure is shared by multiple organizations with shared concerns, such as security requirements or compliance considerations. It can be managed by the organizations or a third party. Hybrid Cloud: A combination of two or more distinct cloud infrastructures (private, public, or community) that remain unique entities but are bound together by standardized or proprietary technology. Three Service Offering Models: Software as a Service (SaaS): Cloud providers offer software applications over the internet, allowing users to access and use the software without the need for installation or maintenance. Platform as a Service (PaaS): Cloud providers deliver development platforms and tools over the internet, enabling developers to build, deploy, and manage applications without worrying about infrastructure management. Infrastructure as a Service (IaaS): Cloud providers offer virtualized computing resources, including virtual machines, storage, and networking, allowing users to run and manage applications without owning the underlying infrastructure.