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In
Grid computing (particularly infrastructure)
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Modeling
stateful Web service instances (with
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identity)
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Certain
services have complex state
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Dozens
(perhaps many dozens) of state elements
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Many
of these state elements need to be publicly
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accessible
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get,
set, query, subscribe for state change notification
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These
motivations are shared in other systems
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management
contexts that may use Web services
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