Shared Event Collaboration Framework

• Objects register (using technology like Jini or that in WebFlow ) and then define their state or its change via a stream of events

• Need to share (federate) events between domains (your PC, Supercomputer, PDA and mine) whose event services are  normally isolated

“Tango orHabanero Server”

Object or Visual

Proxy for Object

Event specifying Object

or Change in Object

Federate and

Queue events

Clients which receive events which are either queued (asynchronous)

or processed synchronously

Pager, Cell Phone messages; Email;

Grid Status Messages

Collaboration Control Messages: e.g. New Participant Joined

W3C, Java Microsoft Client Events

e.g. Mouse Movements

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