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Cloud Computing : Overview


I guess everyone is now all aware of the cloud computing. Its been on news everywhere in all the IT sectors of the world. Its been in huge demand these days and is also said to change the entire computer industry. So, now the question still stays – What is Cloud computing ?? [only for those who dont know about it]. Lets me state the basic overview about cloud computing !!!

The term “cloud” is used as a metaphor for the Internet, based on the cloud drawing used in the past to represent the telephone network, and later to depict the Internet in computer network diagrams as an abstraction of the underlying infrastructure it represents.Cloud computing is a natural evolution of the widespread adoption of virtualisation, service-oriented architecture, autonomic, and utility computing. Details are abstracted from end-users, who no longer have need for expertise in, or control over, the technology infrastructure “in the cloud” that supports them.

Let’s say you’re an executive at a large corporation. Your particular responsibilities include making sure that all of your employees have the right hardware and software they need to do their jobs. Buying computers for everyone isn’t enough — you also have to purchase software or software licenses to give employees the tools they require. Whenever you have a new hire, you have to buy more software or make sure your current software license allows another user. It’s so stressful that you find it difficult to go to sleep on your huge pile of money every night. And this is where the concept of Cloud computing come into play.
Now all you need to do is just to load only one application instead of installing a suite of software for each computer. That application would allow workers to log into a Web-based service which hosts all the programs the user would need for his or her job. Remote machines owned by another company would run everything from e-mail to word processing to complex data analysis programs. This is what CLOUD COMPUTING is all about.

In a cloud computing system, there’s a significant workload shift. Local computers no longer have to do all the heavy lifting when it comes to running applications. The network of computers that make up the cloud handles them instead. Hardware and software demands on the user’s side decrease. The only thing the user’s computer needs to be able to run is the cloud computing system’s interface software, which can be as simple as a Web browser, and the cloud’s network takes care of the rest.

If you guys are still wondering, just take another simple example of Gmail accounts that is provided by Google. Instead of running an e-mail program on your computer, you log in to a Web e-mail account remotely. The software and storage for your account doesn’t exist on your computer — it’s on the service’s computer cloud.

Cloud computing is all the rage. “It’s become the phrase du jour,” says Gartner senior analyst Ben Pring.

Hence my small overview about cloud computing is over. I guess soon i will be able to provide you with more details about this new phenomenon.

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