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SYSTEMS AND METHODS FOR IDENTIFYING LONG MATCHES OF DATA IN A COMPRESSION HISTORY

  • US 20120300993A1
  • Filed: 08/06/2012
  • Published: 11/29/2012
  • Est. Priority Date: 03/12/2007
  • Status: Active Grant
First Claim
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1. A method for matching fingerprints of data from network traffic to an index of fingerprints identifying locations of stored data in a compression history, the method comprising:

  • (a) storing, by a device intermediary to a plurality of clients and a plurality of servers, data from network traffic communicated between the plurality of clients and the plurality of servers in a plurality of storage locations of a compression history, the device establishing a compression index comprising indexes of fingerprints of data stored in the plurality of storage locations of the compression history;

    (b) identifying, by the device, that a fingerprint of data received via network traffic between a client and a server matches a plurality of indexes in the compression index, each index of the plurality of indexes identifying one or more storage location identifiers corresponding to a storage location of the plurality of storage locations of the compression history; and

    (c) selecting, by the device from the plurality of matching entries, a matching entry having a number of storage location identifiers less than one or more other matching entries from the plurality of matching entries; and

    (d) compressing, by the device, the received data using data stored at a storage location identified by the selected matching entry.

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