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DYNAMIC HTTP LOAD BALANCING

  • US 20090125621A1
  • Filed: 01/19/2009
  • Published: 05/14/2009
  • Est. Priority Date: 07/24/2001
  • Status: Active Grant
First Claim
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1. A method of configuring a load balancer for dispatching client requests in a server farm comprising:

  • initializing a load balancer by identifying address information for a plurality of servers in a server farm to said load balancer;

    individually polling each of the plurality of servers by the load balancer so as to obtain a configuration file from each polled server if available, wherein;

    each obtained configuration file contains the parameters necessary to configure the load balancer for bringing the associated polled server on-line; and

    polling is implemented by repeating for each of said plurality of servers;

    selecting by said load balancer, a next one of said plurality of servers;

    sending a request across a corresponding network from said load balancer to said next one of said plurality of servers for a configuration file corresponding to said next one of said plurality of servers;

    waiting for a reply from said next one of said plurality of servers;

    receiving either said corresponding configuration file or an error message from said next one of said plurality of servers; and

    validating parameters in said corresponding configuration file if received; and

    configuring a load balancing algorithm by said load balancer in accordance with said parameters that were read out of each corresponding configuration file.

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