It’s time and again now that my buzzing fingers do not stop boasting about this very internet-prevalence to this day. Who, in his best dream would have ever thought that he would lend data from a remote cloud one day as he does water and electricity from the supply line? Goodness! It’s pragmatically visible now..!! Cloud Computing is nothing less than a dream come true with the evolution of Information and Communication Technology (ICT). Its rightly said; “Every cloud has a silver lining”, but wait, here we have a silver cloud available at our service 24 x 7. Cloud Computing is the fifth generation of computing after Mainframe, Personal computer, Client-Server computing and the Web. A cloud is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources.
Cloud computing is a technology that puts your entire computing infrastructure both hardware and software, applications, etc online. It uses internet and remote, central servers to maintain data and applications. Gmail, Yahoo mail, Facebook, Hotmail, Orkut, etc are all the most basic and widely used examples of cloud computing. One does not need his own PC or laptop to check some stored mail/data/photos in the mailbox but any computer with an internet connection since the data is stored with the mail service provider on a remote cloud. The technology in essence is a geographical shift in the location of our data from personal computers to a centralized server or ‘cloud’. Typically, cloud services charges its customers on usage basis. Hence it is also called Software as a Service (SaaS). It aims to provide infrastructure and resources online in order to serve its clients; Dynamism, Abstraction and Resource Sharing.
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