“…It also gives access to all the storage, all the data, of all those PCs and networked systems working on any processor-intensive task (Davey, 2003), and (Foster, et al, 1999) It enable sharing, selection, and aggregation of geographically distributed autonomous resources, such as computers (PCs, servers, clusters, supercomputers), databases, and scientific instruments, for solving large-scale problems in science, engineering, and commerce. It leverage existing IT infrastructure to optimize computer resources and manage data and computing workloads (Buyya, 2007). Grid computing has provided avenue of accessing information technology resources optimally.…”