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Load sharing apparatus and a load estimation method

  • US 20020032777A1
  • Filed: 04/09/2001
  • Published: 03/14/2002
  • Est. Priority Date: 09/11/2000
  • Status: Abandoned Application
First Claim
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1. A load balancer connected to a network connecting a plurality of clients requesting services and a plurality of servers executing operations based on said requests from said clients and replying with processing results comprising:

  • means for examining header information in request data from said client;

    means for estimating, based on said header information and contents of said request data, processing load resulting from execution by said servers;

    means for storing totals of said load estimates over a fixed past period for each of said servers;

    means for dynamically selecting a server to which said request data is to be sent based on estimates of processing load on said servers resulting from current request data and total load for said servers; and

    means for forwarding said request data to said servers.

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