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Data management is one of the most important problems in grid environments. One important challenge facing grid computing is the design of a grid file system. The Global Grid Forum defines a grid file system as a human-readable resource namespace for management of heterogeneous distributed data resources, that can span across multiple autonomous administrative domains. This paper evaluates Expand, a new grid file system according to the Global Grid Forum recommendations that integrates heterogeneous data storage resources in grids using standard grid technologies: GridFTP and the OGSA ByteIO interface defined by the Open Grid Forum.
Date of Conference: 13-15 Feb. 2008