The types of cloud computing can be categorized into three main service models and four primary deployment models, determining how the services are consumed and where the infrastructure is located.
Cloud Service Models
Service models define the level of management you retain versus the vendor provides:
Infrastructure as a Service (IaaS): This model offers foundational IT infrastructure-servers, storage, and networking hardware—as an on-demand, pay-as-you-go service. The user manages the operating system, applications, and data, while the provider manages the hardware. Examples: Amazon EC2, Azure Virtual Ma
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The types of cloud computing can be categorized into three main service models and four primary deployment models, determining how the services are consumed and where the infrastructure is located.
Cloud Service Models
Service models define the level of management you retain versus the vendor provides:
Infrastructure as a Service (IaaS): This model offers foundational IT infrastructure-servers, storage, and networking hardware—as an on-demand, pay-as-you-go service. The user manages the operating system, applications, and data, while the provider manages the hardware. Examples: Amazon EC2, Azure Virtual Machines, Google Compute Engine.
Platform as a Service (PaaS): PaaS provides a platform for developers to build, run, and manage applications without the complexity of building and maintaining the infrastructure typically associated with developing and launching apps. The provider manages everything from the hardware to the operating system, while the user manages their applications and data. Examples: AWS Elastic Beanstalk, Azure App Service, Google App Engine.
Software as a Service (SaaS): SaaS delivers ready-to-use software applications over the internet, on a subscription basis. The cloud provider manages all aspects of the application, including the underlying infrastructure, data, and maintenance. Examples: Microsoft 365, Salesforce, Dropbox.
Cloud Deployment Models
Deployment models determine where the cloud infrastructure resides and who has access to it:
Public Cloud: The cloud infrastructure is owned and operated by a third-party cloud service provider. All hardware, software, and other supporting infrastructure are shared among multiple organizations (tenants) who access services over the internet.
Private Cloud: The cloud infrastructure is used exclusively by a single organization. It can be physically located on the company's on-site data center or hosted by a third-party service provider, but the hardware and services are not shared with others.
Hybrid Cloud: This model combines public and private clouds, bound together by technology that allows data and applications to be shared between them. This offers greater flexibility to move data between private and public cloud environments as needs and costs change.
Multicloud: This involves using cloud services from multiple public cloud providers simultaneously (e.g., using services from AWS for analytics, Azure for enterprise applications, and GCP for machine learning).
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<p>Hi.</p><div data-sfc-cp="" data-hveid="CAEIARAA" data-processed="true" data-complete="true">The types of cloud computing can be categorized into three main service models and four primary deployment models, determining how the services are consumed and where the infrastructure is located.<span data-wiz-uids="ZIIFZc_b,ZIIFZc_c,ZIIFZc_d" data-complete="true" data-processed="true"><span data-animation-atomic="" data-sae=""> </span></span></div><div data-sfc-cp="" data-complete="true" data-processed="true"> </div><div role="heading" aria-level="3" data-animation-nesting="" data-sfc-cp="" data-complete="true" data-processed="true" data-sae="">Cloud Service Models</div><div data-sfc-cp="" data-hveid="CAEIAxAA" data-processed="true" data-complete="true">Service models define the level of management you retain versus the vendor provides:<span data-wiz-uids="ZIIFZc_k,ZIIFZc_l,ZIIFZc_m" data-complete="true" data-processed="true"><span data-animation-atomic="" data-sae=""> </span></span></div><ul data-processed="true" data-complete="true"><li data-hveid="CAEIBBAA" data-complete="true" data-sae=""><span data-sfc-cp="" data-complete="true"><strong data-complete="true">Infrastructure as a Service (IaaS):</strong> This model offers foundational IT infrastructure-servers, storage, and networking hardware—as an on-demand, pay-as-you-go service. The user manages the operating system, applications, and data, while the provider manages the hardware. <strong data-complete="true">Examples:</strong> Amazon EC2, Azure Virtual Machines, Google Compute Engine.</span></li><li data-hveid="CAEIBBAB" data-complete="true" data-sae=""><span data-sfc-cp="" data-complete="true"><strong data-complete="true">Platform as a Service (PaaS):</strong> PaaS provides a platform for developers to build, run, and manage applications without the complexity of building and maintaining the infrastructure typically associated with developing and launching apps. The provider manages everything from the hardware to the operating system, while the user manages their applications and data. <strong data-complete="true">Examples:</strong> AWS Elastic Beanstalk, Azure App Service, Google App Engine.</span></li><li data-hveid="CAEIBBAC" data-complete="true" data-sae=""><span data-sfc-cp="" data-complete="true"><strong data-complete="true">Software as a Service (SaaS):</strong> SaaS delivers ready-to-use software applications over the internet, on a subscription basis. The cloud provider manages all aspects of the application, including the underlying infrastructure, data, and maintenance. <strong data-complete="true">Examples:</strong> Microsoft 365, Salesforce, Dropbox.</span><span data-wiz-uids="ZIIFZc_19,ZIIFZc_1a,ZIIFZc_1b" data-complete="true"><span data-animation-atomic="" data-sae=""> </span></span></li></ul><div data-sfc-cp="" data-complete="true" data-processed="true"> </div><div role="heading" aria-level="3" data-animation-nesting="" data-sfc-cp="" data-complete="true" data-processed="true" data-sae="">Cloud Deployment Models</div><div data-sfc-cp="" data-hveid="CAEIBhAA" data-complete="true" data-processed="true">Deployment models determine where the cloud infrastructure resides and who has access to it:<span data-wiz-uids="ZIIFZc_1i,ZIIFZc_1j,ZIIFZc_1k" data-complete="true" data-processed="true"><span data-animation-atomic="" data-sae=""> </span></span></div><ul data-complete="true" data-processed="true"><li data-hveid="CAEIBxAA" data-complete="true" data-sae=""><span data-sfc-cp="" data-complete="true"><strong data-complete="true">Public Cloud:</strong> The cloud infrastructure is owned and operated by a third-party cloud service provider. All hardware, software, and other supporting infrastructure are shared among multiple organizations (tenants) who access services over the internet.</span></li><li data-hveid="CAEIBxAB" data-complete="true" data-sae=""><span data-sfc-cp="" data-complete="true"><strong data-complete="true">Private Cloud:</strong> The cloud infrastructure is used exclusively by a single organization. It can be physically located on the company’s on-site data center or hosted by a third-party service provider, but the hardware and services are not shared with others.</span></li><li data-hveid="CAEIBxAC" data-complete="true" data-sae=""><span data-sfc-cp="" data-complete="true"><strong data-complete="true">Hybrid Cloud:</strong> This model combines public and private clouds, bound together by technology that allows data and applications to be shared between them. This offers greater flexibility to move data between private and public cloud environments as needs and costs change.</span></li><li data-hveid="CAEIBxAD" data-complete="true" data-sae=""><span data-sfc-cp="" data-complete="true"><strong data-complete="true">Multicloud:</strong> This involves using cloud services from multiple public cloud providers simultaneously (e.g., using services from AWS for analytics, Azure for enterprise applications, and GCP for machine learning).</span></li></ul>
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