International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering (IJAREEIE)
Cloud Computing, it's a new computing paradigm it dematerialize computer and make IT services on demand. Online and usable by everybody, everywhere and every time. It provides to the consumer (an individual user or an organization) many services in different levels. A huge change and a big revolution of operating capital in IT companies, that will reduce the costs of investments in IT resources, cancels the cost of installation, maintenance, and monitoring of hardware and software resources. So all those tasks will become the responsibility of cloud service providers, the user will only select his needs, subscribe and run them.