Cloud computing relies on sharing of resources to achieve coherence and economies of scale similar to a utility over a network. Cloud Computing is getting popular every day. Cloud service providers provide services to large scale cloud environment with cost benefits. Also, there are some popular large scaled applications like social networking and internet commerce. These applications can provide benefit in terms of minimizing the costs using cloud computing. Cloud computing is considered as internet-based computing service provided by various infrastructure providers based on their need, so that cloud is subject to Quality of Service (QoS), Load Balance (LB) and other factors which have direct effect on user consumption of resources controlled by cloud infrastructure.