Date Added: Mar 2012
Cloud computing is clearly one of today's most enticing technology areas due, at least in part, to its cost-efficiency and flexibility. However, despite the surge in activity and interest, there are significant, persistent concerns about cloud computing that are impeding momentum and will eventually compromise the vision of cloud computing as a new IT procurement model. Infrastructure as a Service (IaaS): provides computing resources, such as virtualized servers and storage, whose usage is rented from a provider. Nowadays Cloud Computing has emerged as a promising new approach for ad hoc parallel data processing. Major cloud computing companies have started to incorporate frameworks for parallel data processing in their product assortment, making it easy for customers to access these services and to arrange their programs.