Advances in Computer Science, Environment, Ecoinformatics, and Education

Abstract

Cloud computing comes into focus as a way to increase capacity or add capabilities without investing in new infrastructure, training new personnel, or licensing new software. This paper gave an encompassing look at the history of cloud computing and the growing cloud economy. Shedding light on its infrastructure, service and technology, it introduced and displayed the basics of cloud computing fully and clearly as well as provided a through analysis of the virtualization, the key feature of the cloud computing. Cloud computing is at an early stage, still a lot need to be explored to expand it application spectrum and to bring advantages to the corporations.