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System and method for providing protection of data communications in packet-based networks

  • US 7,251,214 B2
  • Filed: 07/12/2002
  • Issued: 07/31/2007
  • Est. Priority Date: 03/21/2002
  • Status: Expired due to Fees
First Claim
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1. A system for protection of data communications from a first device to a second device in a network, said system comprising:

  • means for pairing output ports of said second device into port pairs, each port pair comprising a primary port and a secondary port;

    means for creating queues at said first device, each queue associated with a primary port in said second device; and

    an intermediate device communicatively coupled to said first device and said second device, said intermediate device maintaining a table of said port pairs and having means for converting a data packet destined for a primary port in a specific port pair of said second device into a multicast data packet destined to said specific port pair.

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