Cloud Types: Public, Private, Hybrid and Community in Detail: Cloud computing

Cloud Types: Public, Private, Hybrid and Community in Detail: Cloud computing

Hello Friends!

This lecture is useful to those who are doing preparation for AWS certification and also to those who are eager to learn about cloud computing services and benefits.

Types of cloud:
Cloud computing is usually described in two ways
Based on a Service
Based on the Deployment model or Cloud Location: The cloud can be classified as:
Public Cloud: It is defined as the computing services offered by a third-party providers over the public Internet, making them available to anyone who wants to use or purchase them.
Private Cloud: Hosting all your computing infrastructure yourself and is not shared. The security and control level is highest while using a private network.
Hybrid Cloud: using both private and public clouds, depending on their purpose. You host your most important applications on your own servers to keep them more secure and secondary applications elsewhere.
Community Cloud: A community cloud is shared between organizations with a common goal or that fit into a specific community (professional community, geographic community, etc.).

Public Cloud:
They may be free or sold on-demand, allowing customers to pay only per usage for the CPU cycles, storage or bandwidth they consume.
Whole computing infrastructure is located on the premises of a cloud computing company that offers the cloud service.
Resources vary by provider but may include storage capabilities, applications or virtual machines. Public cloud allows for scalability and resource sharing that would not otherwise be possible for a single organization to achieve.

Private Cloud:
It provides the same benefits of Public Cloud, but uses dedicated, private hardware.
It is private cloud that is not shared with others.
Private cloud means using a cloud infrastructure by one or individually.
The companies may have server at own premises.

Hybrid Cloud:

This cloud is the combination of Private and Public clouds and rest depending on their purpose.
For example: public cloud can be used to interact with customers, while keeping their data secured through a private cloud.

Community Cloud:

“Beyond private, public and hybrid cloud, there is now a fourth model”
A community cloud is a cloud service model that provides a cloud computing solution to a limited number of individuals or organizations that is governed, managed and secured commonly by all the participating organizations or a third party managed service provider.
Community cloud implies an infrastructure that is shared between organizations, usually with the shared data and data management concerns.

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