Cloud Computing : A Model For Enabling Convenient

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Cloud Computing Summary Cloud computing, a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort of service provider interaction. From a user 's perspective, cloud computing is the use of the application without having to understand the mechanics involved in implementing it and making it accessible. From an IT perspective, it is the opposite end of the spectrum. For IT professionals, cloud computing means understanding how to deliver the experience and meet other business goals such as service level agreements (SLAs), reducing costs, compliance…show more content…
Cloud computing will be a cost cutting move of the future for many large information system companies. Zetta, a start up cloud service provider, told InformationWeek that customers realize a three-year total cost of ownership advantage of three to four times that of onsite storage. Imagine having three years worth of ownership cost taken off your budget, three years worth of rent that you can keep in your pocket and spend somewhere else. Using cloud computing will also mean you don’t have to pay for software licenses. A standard that seems pretty consistent for cloud computing companies, if the service doesn’t perform at 99.9% of the time during monthly billing the company will credit you a certain percentage for failing to meet their commitment. If your company was doing its own storage and applications, if the network went down it would do nothing but cost your company money, with clouds they at least pay you for time down. Background GlaxoSmithKlinem, a leading healthcare company, CIO Bill Louv made some recent decisions concerning cloud computing. Louv’s company was using a Lotus Notes platform that was reaching the end of its life span. Charged with making the choice of how to update Louv chose to move all 115,000 employees worldwide to the online, monthly subscription Exchange and SharePoint that Microsoft has made available. To that point, Louv saved 30% on total cost of ownership over five years compared with the licensed software.
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