Utility Computing

Utility computing has recently emerged as one of the buzzwords in the ICT industry.Numerous IT vendors are promising to offer computation storage and application hosting services and to provide coverage in several continents offering service-level agreements (SLA)-backed performance and uptime promises for their services.While these clouds are the natural evolution of traditional data centers they are distinguished by exposing resources (computation data/storage and applications) as standards-based Web services and following a utility pricing model where customers are charged based on their utilization of computational resources storage and transfer of data.Currently expert developers are required to implement cloud services. Cloud vendors researchers and practitioners alike are working to ensure that potential users are educated about the benefits of Utility computing and the best way ...