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Method, system and program products for operationally migrating a cluster through emulation

  • US 6,915,452 B2
  • Filed: 03/10/2004
  • Issued: 07/05/2005
  • Est. Priority Date: 09/30/1999
  • Status: Expired due to Term
First Claim
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1. A method of updating components in a computing environment, said method comprising:

  • updating a component of said computing environment which is associated with at least a portion of a unit of work from one version to another version; and

    emulating, by said updated component, said one version, while at least one other component of said computing environment associated with said unit of work remains at said one version, wherein the undated component processes at least a portion of the unit of work concurrent to the non-updated component processing at least a portion of the unit of work.

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