Cloud computing is the latest computer technology which is making waves in the mainstream computing for quite a long time now. Cloud computing is gradually becoming commonplace technology for fulfilling people's computing needs. Most of us use cloud computing in our daily computing. The most common example is Google Docs service in which you do not have to own a word processor software to create and store textual documents. You can simply login into your Google account and create the document, save it and later retrieve when required. So this latest computer technology do not require to install any software on your local machine just a web browser.
This latest technology derives its name from the metaphor we generally use for internet. If you have ever seen the diagram depicting connected machines using internet , the web or internet is depicted by a cloud. So basically this cloud computing technology views software as a service which one can avail of as and when required provided she is connected to the internet. In cloud computing technology the user does not have any control over the kind of infra the technology is hosted on. In fact , this computer technology conceals the actual details from the user and exposes just the needed functionality.
This latest technology forms the base of emerging technologies like Web 2.0 and even Web 3.0 and promotes the use of genuine software use saving the companies from losses incurred through piracy. User pays for technology on per use basis. If you think about it , this technology saves the end users as well from the hassles of software installation and maintaining the required infra and in this way promotes smooth uses of computing.
Since this latest technology puts more and more burden on the service provider, a complex infra has to be maintained by them. This includes secure data centres which are quick to respond and capable of storing large amount data. This also includes the use of virtualization technologies to maximize the use of expensive resources.
Google has always on the fore front in promoting the use of this latest computer technology. Google offers Google Apps which allows you to host your application on Google's infra. Many software giants like Microsoft , Sun are also catching up with this phenomenon. Now seasoned players like Amazon are also actively pushing this technology.
Thus we see that cloud computing is the technology which is changing the way we used to see software and bringing some radical changes in the way we use software.
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