Disaster recovery system with cascaded resynchronization
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United States of America Patent
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Dec 12, 2006
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app pub date -
May 15, 2003
filing date -
May 15, 2003
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Abstract
A disaster recovery system with sequenced cascaded resynchronization comprises a plurality of data centers and a distributed control system. The individual data centers comprise a communication interface, a data storage, and a controller. The distributed control system is distributed and executable in the controllers of the plurality of data centers, and is capable of coordinating operations via the communication interfaces of the plurality of data centers to resynchronize a plurality of communication links between data center pairs of the plurality of data centers. The communication links including at least one synchronous link and at least one asynchronous link.
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