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Systems and methods for sharing compression histories between multiple devices

  • US 7,532,134 B2
  • Filed: 03/12/2007
  • Issued: 05/12/2009
  • Est. Priority Date: 03/12/2007
  • Status: Active Grant
First Claim
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1. A method for sharing compression histories among a plurality of devices to improve compression of data transmitted via a plurality of connections, the method comprising:

  • (a) transmitting, by a first device to a second device, a first data stream, the first data stream compressed according to a first compression history shared between the first device and the second device;

    (b) receiving, by the first device, a second data stream intended for a third device;

    (c) identifying, by the first device, that a portion of the second data stream matches a portion of the first compression history; and

    (d) transmitting, by the first device to the second device, information identifying the portion of the first compression history.

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