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Disaster recovery system with cascaded resynchronization

  • US 20040230859A1
  • Filed: 05/15/2003
  • Published: 11/18/2004
  • Est. Priority Date: 05/15/2003
  • Status: Active Grant
First Claim
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1. A disaster recovery system with sequenced cascaded resynchronization comprising:

  • a plurality of data centers, the individual data centers comprising a communication interface, a data storage, and a controller; and

    a distributed control system distributed and executable in the controllers of the plurality of data centers, and 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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