ABSTRACT
In the digital age, cloud computing has been an important growth area in the computing services industry. Technology companies, such as Amazon, Cisco, Google, IBM, Oracle, Microsoft, Apple, CloudBees, Rackspace, SAP, Alibaba, and many others, have the economy of size to supply cost-effective cloud computing services on the Internet. Subscribers of cloud computing, organizations or individuals, simply enjoy the computing power, usually for a reasonable fee. For businesses, large and small, cloud computing can be an attractive alternative to owning, staffing, and operating their own IT equipment in house. Cloud computing has clear advantages and disadvantages, as compared to in-house solutions. The top advantages of cloud computing are: less up-front investment, faster to set up and start, fewer IT personnel and equipment, more reliable and physically secure, global anytime access, easy information sharing and collaboration, and simple to scale up or down.
