Exactly once data framework method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 3, 2009
Grant Date -
Dec 9, 2004
app pub date -
Jul 9, 2004
filing date -
Sep 6, 2001
priority date (Note) -
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Abstract
A method for managing objects in a clustered network includes a file system containing at least one copy of a data object. The method can involve several clustered servers in communication with the file system. A distributed consensus algorithm is used to select a host server. The selected host server can contain a copy of the data object, such as in local cache, providing access to the local copy to any other server in the cluster. Any change made to an item hosted by the host server can also be updated in the file system. If the host server becomes unable to host the object, a new host can be chosen using the distributed consensus algorithm. The other servers are then notified of the new host by multicast messaging.
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