Data encryption in a network memory architecture for providing data based on local accessibility

CAFC
  • US 8,392,684 B2
  • Filed: 07/31/2006
  • Issued: 03/05/2013
  • Est. Priority Date: 08/12/2005
  • Status: Active Grant
First Claim
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1. A network memory system for ensuring compliance, comprising:

  • a source-site appliance comprising a first processor and a first memory device, and configured to be coupled to a source-site computer via a source-site local area network;

    a destination-site appliance comprising a second processor and a second memory device, and configured to be coupled to a destination-site computer via a destination-site local area network, the source-site computer in communication with the destination-site computer via a wide area network;

    the source-site appliance configured to intercept data sent from the source-site computer to the destination-site computer, encrypt the data, store the data in the first memory device, determine whether the data exists in the second memory device, and transmit a store instruction comprising the data if the data does not exist in the second memory device; and

    the destination-site appliance configured to receive the store instruction from the source-site appliance, store the data in the second memory device, subsequently receive a retrieve instruction comprising an index at which the data is stored in the second memory device, process the retrieve instruction to obtain encrypted response data, and decrypt the encrypted response data.

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