Summary of What Is Cloud Computing?

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Some technology users may not even realize they’re in the cloud when they use Office 365, Salesforce or Netflix; others have merely a sketchy grasp of the inner workings of cloud technology. But decision makers who consider moving business processes to the cloud must have a better understanding of the benefits and risks the cloud presents in terms of costs and security. Steve Ranger, UK editor in chief of ZDNet, delivers an easy-to-digest primer on cloud computing and explores the advantages and disadvantages companies face when considering cloud technology.

About the Author

Steve Ranger is an award-winning journalist and UK editor in chief of ZDNet and TechRepublic. He writes about technology, business and culture and regularly discusses tech issues on TV and radio.



Most people know cloud computing only as a mechanism for accessing applications and data storage via the internet.

Individuals and businesses increasingly use cloud computing to manage a multitude of computing services, including personal email, video streaming, mainstream office applications and IT infrastructure. The cloud enables companies to streamline IT operations by renting hardware and software, often on a pay-as-you-go basis. Companies increasingly rely on cloud services. Corporate IT expenditures have been shifting away from in-house toward the cloud, and the trend appears to continue. The move to the cloud may be a company’s choice or the result of an existing provider’s own shift to cloud-based business models.

Companies offer three types of cloud...

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    R. A. 1 year ago
    One benefit of using cloud computing services is that firms can avoid the upfront cost and complexity of owning and maintaining their own IT infrastructure, and instead simply pay for what they use, when they use it.