Cloud computing service models

AWS falls under the category of Cloud computing called Infrastructure as a Service. In Cloud computing there are three service models:

  • Infrastructure as a Service (IaaS)
  • Platform as a Service (PaaS)
  • Software as a Service (SaaS)

Infrastructure as a Service

IaaS can be described as a service that provides virtual abstractions for hardware, servers, and networking components. The service provider owns all the equipment and is responsible for its housing, running, and maintenance. In this case, AWS provides APIs, SDKs, and a UI for creating and modifying virtual machines, their network components, routers, gateways, subnets, load balancers, and much more. Where a user with a physical data center would incur charges for the ...

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