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Objects register (using technology like Jini or that in WebFlow ) and then define their state or its change via a stream of events
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Need to share (federate) events between domains (your PC, Supercomputer, PDA and mine) whose event services are normally isolated
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"Tango or Habanero Server"
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Object or Visual
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Proxy for Object
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Event specifying Object
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or Change in Object
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Federate and
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Queue events
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Clients which receive events which are either queued (asynchronous)
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or processed synchronously
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Pager, Cell Phone messages; Email;
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Grid Status Messages
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Collaboration Control Messages: e.g. New Participant Joined
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W3C, Java Microsoft Client Events
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e.g. Mouse Movements
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