Method and apparatus for determining status of remote objects in a distributed system
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United States of America Patent
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Jul 22, 2003
Grant Date -
N/A
app pub date -
Mar 20, 1998
filing date -
Mar 20, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
Systems consistent with the present invention a method and apparatus is provided for selectively supplying a state change associated with remote objects in a distributed system. The method involves registering a request from a computational entity to receive notification as to a state change associated with a remote object. Registration of a notification request causes the creation of a remote weak reference to the remote object including an identifier of a location of the remote object. Periodically, a request is sent to a location based on the identifier of the remote weak reference. When it is determined that a state change associated with the remote object has occurred, the registered computational entity is notified accordingly.
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