Brief description of cloud computing

Brief description of cloud computing

Everyone is talking about cloud computing. But Lot of people don’t know What is cloud computing technology?

Cloud computing technology is one of the fast-growing technology in the world. Now I am going to give you brief description of cloud computing

 What is cloud computing Technology?

Cloud computing is entirely based on the internet. Simply we can say,

“Cloud computing is the delivery of computing services like, storage, database, networking, software, analytics, and the intelligence over the internet (“cloud”) to offer faster innovation, flexible resources, and economics of scale.”

Let’s think that you have a large company and lot of employees work in there. You have a huge responsibility to provide your employees the right hardware and software to do their jobs. Computers are not enough. you have to install perfect software to the computers.

Sometime, we have to pay for these software.  so, whenever you hire a new employee, you have to buy more software or you have to make sure your current software can be shared among employees. This process is difficult and expensive.

How does cloud computing work?

Instead of the above method, Today people, organizations, companies using this method called cloud computing. Instead of installing suits of software’s for each computer, you should have to run one application. This application allows users to log into web-based service which hosts all the programs the users need for their job or task.

In this cloud computing system, Local computers does not have to install applications when it comes to running application. Everything will be taken care by cloud. The only thing user needs is computer that able to run cloud computing system’s interface software.

This is simple. Once you have the computer and cloud computing system’s software, the rest will be taken care by cloud’s network.

For cloud computing to work, there are three major components. Front end, back end and network

Front end –

This introduces the application required to access to the system. This application could be a web browser or some special application.

Back end 

 This introduces the computer infrastructure owned by the cloud provider such as servers, computers, operating systems, hardware and storage devices. Usually all of data are stored in the provider’s storage device and applications also installed in this device.

Software application has a dedicated server. The Central server is using to monitor traffic and ensure everything runs smoothly as required.

Network 

This is the thing that connect above two components via the internet.

What are the cloud service types?

Cloud computing services have Three major categories.

*Software-as-a-Service (SaaS)

This model makes software’s accessible through an app or web browser. Some of these programs are free and some of are required monthly or annual subscription.

Ex: salesforce, Dropbox, Google Docs

* platform-as-a-service (PaaS)

This model is used for web application development and deployment. This helps to user to build, deploy, manage and update of applications. This service also include development tools, middleware and business intelligence solutions.

Ex: windows Azure, AWS Elastic Beanstalk, Google App Engine

* Infrastructure-as-a-service (IaaS)

This model provides computer infrastructure capabilities liked data storage, servers and hardware to users.

Ex: DigitalOcean, Amazon EC2 and Google Computer engine

Ex: DigitalOcean, Amazon EC2 and Google Computer engine


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