Exactly what is cloud computing? and kinds of cloud computing

The cloud is protected lots of remote servers that hosted around the all over the internet. It’s the delivery of on-demand computing services. Using cloud-computing, users can access software and applications no matter where they require, while it is being hosted by a third party party. Just one benefit of employing cloud computing services is that firms can steer clear of the upfront cost and complexity of owning and looking after their own IT infrastructure, and instead simply buy what you use after they use it. With cloud-computing, you don’t need to make large upfront investments in hardware and spend considerable time about the heavy lifting of managing that hardware.
The main advantages of cloud computing are :
1. Trade capital expense for variable expense
2. Stop guessing capacity
3. Go global in seconds
4. Take advantage of massive economies of scale
5. Increase strength and speed
6. Stop purchasing running and maintaining data centers

The primary types of cloud-computing or you can say cloud computing services :

Software as a service (SaaS) –
Useful run by others understanding that connect to users’ computers online and, usually, a web browser.
Platform like a service (PaaS) – is a complete development and deployment environment from the cloud, with resources which allow you to deliver from simple cloud-based apps to sophisticated, cloud-enabled enterprise applications.
Infrastructure like a service (IaaS) – Provides companies with computing resources including servers, networking, storage, files center space over a pay-per-use basis.

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