There are a set of related concepts
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Interoperable interfaces: Similar/same user interface to all computers
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Multidisciplinary Applications: Run linked programs on one or more computers
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Metacomputing: Run one or more linked programs on a distributed system
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How general should we be?
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Only cover distributed modules as opposed to general distribution of data-parallel problems
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Can commodity (web) technologies deliver needed performance today or in near future?
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Can we agree on necessary standards/frameworks?
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