Combining routers to increase concurrency and redundancy in external network access

  • US 7,269,143 B2
  • Filed: 10/02/2002
  • Issued: 09/11/2007
  • Est. Priority Date: 12/31/1999
  • Status: Active Grant
First Claim
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1. A controller for combining routers to provide increased concurrency in external access to a computer network, the controller comprising:

  • a router identifier for identifying at least two routers for a LAN, each identified router having its own IP address and its own physical address;

    a router selector for selecting between identified routers, the router selector making its selection in a manner which increases concurrent operation of identified routers by sending subsequent data requests and their corresponding responses through the selected router, thereby helping provide improved external access to the computer network through identified routers; and

    a SYN modifier which provides modified SYN requests that contain the address of an identified router, each response specifying the address of an identified router which was selected by the router selector.

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