Date Added: Sep 2012
Cloud computing - a way to increase the capacity of a network without investing in new infrastructure, training new personnel, or licensing new software. It represents service oriented architecture by offering reduced information technology overheads for the end-user, great flexibility, etc. This paper is a brief survey of cloud computing, various elements of cloud computing security and its application areas. This paper also explains cloud computing as a combination of services like Software as a Service (SaaS), Platform as a Service (PaaS), Infrastructure as a Service (IaaS), Communication as a Service (CaaS), Data Storage as a Service (DaaS), and Hardware as a Service (HaaS).