Some applications use dynamically created objects
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existence of which needs to be synchronized
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which themselves need to pass messages and be synchronized
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Challenges:
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replicate newly created objects in collaborating applications
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identify all objects so they can be uniquely addressed
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synchronize all existing objects
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translate object references to different namespaces
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assure integrity of the state across the session participants
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Solution for Tango applets:
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Synchronizer object implements synchronization logic
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Updatable interface lets automatize synchronization
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built on the top of the basic Tango message passing interface
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