Abstract
Cloud computing, bright venture of today and tomorrow, is rising based on the idea of the use of online information, software and hardware. Cloud computing provides users three different kinds of service models, infrastructure services, platform services and software services, which are in the run all together as requested and meets the needs of users. Benefits of cloud computing include increased security, monitoring and maintenance of the technical infrastructure by the provider, cost-savings, efficient use of resources, high flexibility, accessibility and device independence. This paper describes the cloud computing technology with its features and advantages in business life. Traffic of a medium-sized company is examined in two different scenarios, LAN network and cloud computing network, and compared according to ftp, email, HTTP traffics using OPNET. In second part of the study, DiffServ and IntServ quality of service terms are studied over cloud computing model. A new approach is studied in order to improve the performance of cloud computing network in a medium sized company by combining IntServ and DiffServ in same network model. This model serves an improvement in business applications using cloud computing technology.
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