Information Technology Reference
In-Depth Information
11.2.5.8 Open Grid Computing Environment
Toolkit .............................................................. 291
11.2.5.11 A Comparison Matrix of Grid Portal
Tools and Technologies .................................. 292
11.4.2 MaterialsGrid: Large-Scale Simulation
of Physical Properties of Materials ............................... 300
11.1
Grid computing involves access to geographically distributed computing
and data resources, and a grid-based computation usually requires dei n-
ing a sequence of activities such as metascheduling, job submission and
monitoring, i le transfer, analysis and simulation, and data harvesting.
These determine a need for an integrated platform that can provide
uniform access to a variety of grid applications and services, and a need
for process automation that can manage and coordinate the activities
required for grid-based computation. Portal and workl ow technologies
can be employed to accommodate these needs in grid computing. A grid-
enabled portal can provide an integrated access to applications and ser-
vices that are located throughout the grid. Workl ow is the automation
of a process where documents, information, or tasks are passed from one
Introduction
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