Cloud Computing Tutorial :

Cloud Computing tutorial : We discuss "What is Cloud Computing" in this video with Simple Explanation and Examples.
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In this first video on Cloud Computing, we shall try and understand "What is Cloud Computing" all about.

If you are a tech savvy person, using internet for information, business or just entertainment, you would have surely come across this term "cloud Computing".

Before we see the definition of cloud computing, let us have a look at some of the prominent stats about cloud computing.

- Cloud Computing Market has been growing leaps and bounds, and was estimated to be more than 150 Billion US Dollars

- Lots and lots of companies are now moving towards cloud, and 82% of them say they have saved money by doing so.

- Most of the services are now moving on cloud, so more and more budget will be allocated to cloud based services, and by 2020 about 69% of total spendings will be for cloud based services.

So all these stats make us wonder, what is this cloud computing after all?

Well, if you search on google, many definitions come up.

Amazon says "Cloud Computing refers to the on-demand delivery of IT resources via the Internet with pay-as-you-go pricing".

Wikipedia has a slightly different definition like "Cloud computing is a phrase used to describe a variety of computing concepts that involve a large number of computers connected through a real-time communication network such as the Internet."

One other definition says "Cloud computing is an emerging style of IT delivery; in which the applications, data, and IT resources are rapidly provisioned and provided as standardized offerings to users over the web in a flexible pricing model."

Well, if you are not really a technical person, it is hard for you to grab the concept through these definitions. So let me give you the idea of cloud computing in simple terms:

Cloud computing can be simply thought of as:

- Running programs over the internet instead of your local computer.

- Storing/Retrieving data over the internet instead of your local computer hard disk.

- Renting resources available over the internet rather than buying them on your own.

When you begin doing all these operations over the internet, your costs will start coming down, because you dont have to buy anything which can be rented.

For example, if you want large amount of storage space for only short term, you can rent storage space on cloud, rather than buying a new hard disk.

You can rent anything right from hardware, software, human resources, services and business solutions.

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Examples of cloud services can be

- Email services : which you can access from anywhere and anytime

- Social networking services like facebook and twitter are also cloud based.

- productivity tools like google docs, microsoft office 360 etc which u can access online and store on their own storage drives like google drive and skydrive respetively.

- Dropbox allows you to store your documents and access anywhere.

- iCloud allows you to store and sync your data across all your apple devices.

There are many more examples of cloud services, which we will discuss throughout our cloud computing videos.

In our upcoming videos, we will see the history of cloud computing, some more basics like why businesses are turning towards cloud and what are the benefits of cloud computing. We will also deal with characteristics and models of cloud computing in further videos.

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