The International Journal of Innovative Research in Computer and Communication Engineering
Cloud computing is a model for providing computing service such as storage, servers, services and applications, without physically acquiring them via the internet. Access to such service could be free or pay as per use. So that the organizations does not have to spent time and cost in managing them. Many business institutions are moving towards the cloud computing due to the efficiency of services and pay-per-use pattern. This pay-per-use pattern based on the resources consumption e.g. processing power, transactions carried out, bandwidth consumed, data transferred, or storage space occupied etc.