The International Journal of Innovative Research in Computer and Communication Engineering
Cloud computing is offering IT services and data storage services over a network. Participants in the business chain of cloud computing can benefit from this novel model. Cloud customers can save huge capital investment of IT infrastructure, and concentrate on their own core business. Therefore, many companies or organizations have been migrating or building their business into cloud. For example, the email service is probably the most popular one. Cloud computing is a concept that treats the resources on the internet as a unified entity, a cloud.