Cloud Computing Q4-2022

Cloud computing is a general term for anything that involves delivering hosted services over the Internet.

Example: email service, Apps, Microsoft 365,Cloud storage . These services are broadly divided into three categories:

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

Cloud Service Models

SERVICE MODELWHO USES ITAVAILABLE SERVICESWHUSE IT
SaaSEnd Users ConsumeSoftware applications such as email, word processing, and customer relation management toolsComplete business tasks that are typically performed locally on a computer
PaaSDevelopers and Application Managers BuildServices for creating, and testing, web server, databaseEstablish a common and consistent platform for application development
IaaSIT System Managers
Host
Virtual machines, storage services,and backup servicesBuild a customized computing environment

Cloud Services

On Premise VS Cloud

AWS Shared Responsibility Model

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