Cloud computing relies on an external service provider. Your organization would still be able to logically manipulate data services and have administrative control over them similar to if the data and services were administered locally. But physical control would be lost and the organization would rely solely on the cloud computing service for hardware, servers, network devices, and so on.
Webmail can be classified as software as a service (SaaS). This is when an external provider (in the cloud) offers e-mail services that a user can access with a web browser. Examples include Gmail and Hotmail.
Platform as a service (PaaS) is when a cloud-based service provider offers an entire application development platform that can be accessed via a web browser or other third-party application.
Infrastructure as a service (IaaS) is when a cloud-based service provider offers an entire network located on the Internet.
Webmail can be classified as software as a service (SaaS). This is when an external provider (in the cloud) offers e-mail services that a user can access with a web browser. Examples include Gmail and Hotmail.
Platform as a service (PaaS) is when a cloud-based service provider offers an entire application development platform that can be accessed via a web browser or other third-party application.
Infrastructure as a service (IaaS) is when a cloud-based service provider offers an entire network located on the Internet.
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