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Method and system for providing high availability to computer applications

  • US 9,311,200 B1
  • Filed: 01/23/2012
  • Issued: 04/12/2016
  • Est. Priority Date: 08/26/2004
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • preloading a high-availability shared library with a custom function using an operating system loader, wherein the high-availability shared library is provided within a set of system-level services, and the custom function initializes high-availability services for an application program before the application program is loaded on a primary node;

    registering, by the custom function of the high-availability shared library, the application program with a high availability protection program, wherein the high-availability shared library is loaded prior to registering the application program;

    after the registering, loading the application program on the primary node; and

    assigning a virtual IP address for the application program running on the primary nod,wherein modification of the application program or application program recompilation is not required.

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