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Hardware load-balancing apparatus for session replication

  • US 20030014526A1
  • Filed: 10/31/2001
  • Published: 01/16/2003
  • Est. Priority Date: 07/16/2001
  • Status: Active Grant
First Claim
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1. A system for replicating information in a client session, comprising:

  • a. a plurality of servers;

    b. a primary server in said plurality of servers, said primary server adapted to receive a request in a client session and serve a response to that request, said primary server further adapted to store session information for that client session;

    c. a secondary server in said plurality of servers, said secondary server adapted to receive request in a client session and serve a response to that request, said primary server further adapted to store session information for that client session; and

    d. a hardware load balancer adapted to receive a request from a client, the request containing identification information for said primary and secondary servers, said hardware load balancer adapted to check that portion of the request containing the identification information and serve the process request on said primary server if that portion has not changed since a previous request, said hardware load balancer further adapted to select a new primary server from said plurality of servers if that portion has changed.

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