Cloud Computing Tutorial
- What is Cloud Computing
- Basics of Cloud Computing
- CLOUD COMPUTING
- DEPLOYMENT MODELS
- Utility Computing
- Types of Cloud
- Grid Computing
- Cloud Computing-Architecture
- Private Cloud
- Hybrid Cloud
- Service-Oriented Architecture (SOA)
- Cloud Computing – Virtualization
- Cloud Computing Tenets
- Community Cloud
- Cloud Models
- Data Storage
- Internet and the Web
- IOT (Internet of Things)
- Mobile Cloud Computing
Types of Cloud
Let us look into the four major types of Cloud in greater detail, along with some of their advantages and drawbacks.
The Public Cloud helps the general public to conveniently access systems and resources, e.g. Google, Amazon, Microsoft providing cloud services through the Internet.
Cloud implementation, as a public cloud model has many advantages. Any of those advantages are seen in the following diagram:
Since the public Cloud shares the same services with a large number of users, the cost is low.
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.
The convergence of the public Cloud with the private Cloud is also very simple, offering consumers a versatile approach.
As public cloud services are delivered via the Internet, location autonomy is thus ensured.
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.
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.
The drawbacks of the public cloud model are as follows:
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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