Date Added: Jan 2011
Grid systems are very large-scale, generalized network computing systems that can scale to Internet size environments with resources distributed across multiple organizations and administrative domains. Using the design objectives and target applications of the Grid systems, they can be categorized into computational Grids, data Grids, and service Grids. Computational Grids have higher aggregate computational capacity available for single applications than the capacity of any constituent machine in the system. Data Grids provide an infrastructure for synthesizing new information from data repositories such as digital libraries or data warehouses that are distributed in a wide area network. Service Grids provide services that are not provided by any single machine.