What are Public, Private, and Hybrid Clouds?

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Public Cloud:

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Services are offered over the public internet and available to anyone who wants to purchase them. Cloud resources - such as servers and storage - are owned and operated by a third-party cloud service provider, and delivered over the internet.

Private Cloud:

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A private cloud consists of computing resources used exclusively by users from one business or organization. A private cloud can be physically located at your organization's on-site (on-premises) datacenter, or it can be hosted by a third-party service provider.

Hybrid Cloud:

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A hybrid cloud is a computing environment that combines a public cloud and a private cloud by allowing data and applications to be shared between them.

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The following image illustrates several of the cloud computing concepts that are presented in this unit. In this example, several factors are demonstrated when you are considering where to deploy a database server in a Hybrid cloud environment: as your resources move from on-premises to off-premises, your costs are reduced, and your administration requirements decrease.

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