Exactly once cache framework

Details Exactly once cache framework Exactly once cache framework

2007-11-06

2007-11-06

Ellis, Kevin L. (Department: 2188)

Electrical computers and digital processing systems: multicomput

Remote data accessing

Reexamination Certificate

active

10887690

ABSTRACT:
A system for managing objects in a clustered network includes a file system containing at least one copy of a data object. The system can include 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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