Cloud computing is defined by Cearly and Phifer in their case study titled “Case Studies in Cloud Computing” as “a style of computing in which scalable and elastic IT-related capabilities are provided ‘as a service’ to customers using Internet technologies”. Cloud computing services had been provided by major vendors such as Google, Amazon, Microsoft, IBM, Hewlett-Packard, and others for business computing until recently when Apple Corporation announced iCloud for consumers. Therefore, cloud computing is now available for businesses as well as consumers.
Read the case study titled, “Ericsson”, located at