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Agile network protocol for secure communications with assured system availability

  • US 7,010,604 B1
  • Filed: 10/29/1999
  • Issued: 03/07/2006
  • Est. Priority Date: 10/30/1998
  • Status: Expired due to Term
First Claim
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1. A method of transmitting information between a first computer and a second computer over a network comprising the steps of:

  • (1) embedding in a header of each of a plurality of data packets a network address that periodically changes between successive data packets, wherein each network address is used to route packets over the network;

    (2) transmitting the plurality of data packets between the first computer and the second computer;

    (3) receiving the transmitted data packets at the second computer; and

    (4) for each received data packet, comparing the network address to a moving window of valid network addresses and, in response to detecting a match within the moving window, accepting the received data packet for further processing, and otherwise rejecting the received data packet.

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