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    Types of Cloud

    Let us look into the four major types of Cloud in greater detail, along with some of their advantages and drawbacks.

    Public Cloud

    The Public Cloud helps the general public to conveniently access systems and resources, e.g. Google, Amazon, Microsoft providing cloud services through the Internet.

    Types of Cloud

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    Advantages

    Cloud implementation, as a public cloud model has many advantages. Any of those advantages are seen in the following diagram:

    Cost Efficiency

    Since the public Cloud shares the same services with a large number of users, the cost is low.

    Confidentiality

    Since the public Cloud uses a large number of resources from various locations, the public Cloud can use another one if one of the resources fails.

    Flexibility

    The convergence of the public Cloud with the private Cloud is also very simple, offering consumers a versatile approach.

    Location Autonomy

    As public cloud services are delivered via the Internet, location autonomy is thus ensured.

    Utility-based Costing

    Pay-per-Use model. The public Cloud is also based on the same principle, pay each time you use, and whenever consumers need it, resources are made available.

    High Scalability

    A pool of resources is utilized on-demand from where the requisite cloud resources are made available, i.e., they can be scaled up or down as required.

    Drawbacks

    The drawbacks of the public cloud model are as follows:

    Low security

    Data is hosted off-site in the public cloud model, and resources are shared publicly, thus not guaranteeing a higher level of security.

    Not easily customizable

    Compared to a private Cloud, it is relatively less customizable.

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