Cloud Service Models

  • There are following types of cloud service models.
    • Infrastructure as a Service (IaaS)
    • Platform as a Service (PaaS)
    • Software as a Service (SaaS)
 Cloud Services

Cloud Services

Infrastructure as a Service (IaaS)

  • IaaS is a managed over the internet. The main advantage is, to avoid the cost and managing the physical servers.

Characteristics of IaaS

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Platform as a Service (PaaS)

  • To compute the platform, that is created for the programmer to develop, test, run, and manage the applications.

Characteristics of PaaS

Software as a Service (SaaS)

  • It is “on-demand software." The applications are hosted by a cloud service provider.
  • The Users can access these applications with the help of internet and web browser.

Characteristics of SaaS

  • Managed by central location.
  • Hosted on a remote server.
  • The services are purchased on the pay-as-per-use basis.
  • Users are not responsible for hardware and software updates. Updates are applied automatically.
  • Example: BigCommerce , Dropbox , ZenDesk , Cisco WebEx , Slack , and GoToMeeting

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