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System and method for providing an online software upgrade in load sharing servers

  • US 20040253956A1
  • Filed: 06/12/2003
  • Published: 12/16/2004
  • Est. Priority Date: 06/12/2003
  • Status: Active Grant
First Claim
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1. A switch capable of handling call connections between calling devices and called devices, the switch comprising:

  • a main processing unit capable of executing call process client applications, each of the-call process client applications associated with one of the call connections;

    a plurality of call application nodes capable of executing call process server applications;

    a plurality of system management nodes, at least one of the system management nodes associated with a configuration management controller, the configuration management controller capable of executing an online software upgrade for software in the switch while the switch is executing the software to handle the call connections; and

    at least one load sharing policy capable of associating at least one of the call process client applications with at least one of the call process server applications and to throttle a number of associations involving the call process server applications.

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