Let us suppose that you own a company and you are responsible for everything. You are responsible for every thing that you employees needs.You must provide right software and hardware to your employee.So that they perform their job in a right way.  It is not enough to provide computer hardware to each and every employee.You must buy a seperate software Licences and give to your employee. You must use a software Licences so that it can allow other new member to work on that licences.If it does not work just purchase a new licences for your new employee. It is very difficult to manage this large organisation by one mind. You must hire a people which can take your some responsibilty on his shoulders. If you are not afford different software licences on different pc.It is better to install a pack of software.For that you have to use only one application.  This application is loaded into a web based service.The user can only log into that web based server and perform their job. You must use the Remote machine.So that you can run e-mail,Word processing as well as complex data in your organisation.   All the above discussion is known as cloud computing.This can change your total computer business. Workload shift is one of the advantages of a cloud computing system.

It is almost impossible to do bulk task with the help of your Local computers. For handling this bulk task of running applications you must own a network of computers. This will decrease the growing demands of software and hardware. The user side is very comfortable.It only needs a Software of Cloud computing system.To run this software is as easy to run a web browser.Now every thing is manage by cloud computing in a better way.   Cloud computing is very usual and you must use it sometime. If you have an email account then you must have a experience of using cloud computing. Many Email account is fulfilled with this idea of cloud computing. You only log into your Hotmail or G-mail account.For using such site you does not need a Seperate application. You account detail is not on you local computer.All your account information is store on the web.You only need to log in to use such application.

Structure of cloud computing.

The cloud computing structure is divided into two forms.

1. The front end.
2. The back end. 

Two end of clod computing is connected with the help of network over the Internet.  User like us uses a Front end side. The Back end is also known as the Cloud portion of a System. The front end of Cloud computing System Consists of a user computer as well as the application needed to run the cloud computing application on your system. It is not necessary that every cloud computing system that you use is same in term of User interface. Most e-mail program leverage present browsers such as Firefox as well as Internet Explorer. NOTHING. The back end of a cloud computing form by using various kinds of computers,System that store data.This all forms a Cloud of your computing applications. You can use anything on a cloud computing system from processing simple data to playing video games on your computers. Each and every Application is comes from a seperate server. 

A central server adminstrator is responsible for every thing to fulfill all client demands.They must ensure that all parts of this system must run Smoothly. There are protocols, a set of define rules. They uses a software called Middleware that permit computer over network to communicate one another over network. It is very usual that Server does not run most of the time with full capacity. This will waste a lots of unused power.  It is very easy to make fool to server that there is a many more such server. This idea is also known as Server virtualization. Server virtualization can easily decrease the demand of Physical machine by increasing the outputs of a particular Servers. A company that run a Cloud computing system needs a lots of storage space due to the increase in number of users. NOTHING> If you own a cloud computing system then you must keep large amount of storage devices.It can help to Store all your user information on your cloud computing system.  Otherwise you system may be break down. You must set a another system that will copy all your user's information safe for future reference.  This document is used by central server whenever it required. This process of making a different and seperate copy of you data is known as Redundancy.

There are many applications of cloud computing. Cloud computing can perform all the possible tasks on your computer.Some of the applications are as follow:

1. With the help of this system any user can access data and applications over network.If you system is connected to internet then you can easily access any data.It is not possible to store all data on a particular hard disk drive.All data saved on a particular server and it reduces the high cost of purchasing storage device.It can reduce the installation of the costly devices on the user's system.
2. For running this system it is not necessary to purchase a expensive or fastest system.This system is also run on your simple computer too.You need to buy terminal like VDU(visual display unit like Monitor),Keyboard and mouse as an input device and processor that allow middleware to run on your system.
3. Big company must own a right software so that you must reach to your goals.This system give them a opportunity to access data according to company wise.These company does not needs to purchase any software or Licences.But they have to pay a certain amount of money to a cloud computing company to use their services.
4. Some of the storage devices and a particular server occupy a space.Some of the organisation likes to buy some physical storage space so that they can store their servers and database.It provides the option for storing data on their server with ease.
5. The user can take many advantages of total processing power over the network if the back end of this system is a grid computing system.With the help of this system a user can easily send large calculations to the cloud for processing.If you try to perform on a particular user computer it take  years to complete that calculations.

• Written by rohit.
• In category General Reference.
• 12 years ago.

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