Understanding about Cloud Computing

: The cloud computing is one of the emerging technology of future with great hope. Cloud Computing is evolving as a key computing platform for sharing resources that include infrastructures, Software Applications and business process. Cloud computing is the product of the fusion of traditional computing technology and network technology like grid computing, distributed computing parallel computing and so on. Main aim of the cloud computing is to make a perfect system with powerful computing capabilities using a large number of relatively low cost computing entity and using the advanced business models like SaaS (Software as a Service), PaaS (Platform as a Service), IaaS (Infrastructure as a Service) to distribute the powerful computing capacity to the hand of users. This article introduce the characteristics, Service Providers, Security and Privacy and so on.