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Technique for the migration of a host environment to a new system platform

  • US 20070011209A1
  • Filed: 11/21/2005
  • Published: 01/11/2007
  • Est. Priority Date: 07/06/2005
  • Status: Active Grant
First Claim
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1. A method for configuring a transaction-based host environment for the migration from a previous system platform to a new system platform, wherein there is access to the host environment from a decentralised environment, comprising the steps:

  • providing at least one database of a first type on the previous system platform, wherein the first type of database is not migrated to the new system platform or is migrated at least one of unchanged in content and with an unchanged logical data model;

    providing at least one database of a second type on the previous system platform, wherein on migration to the new system platform the second type of database is transformed into a third type of database that is at least one of changed in content and changed in relation to a logical data model;

    replacing a first type of transaction, which on the previous system platform accessed both the first type of database and the second type of database, by a second type of transaction and a third type of transaction in the host environment, wherein the second type of transaction accesses the first and not the second type of database and the third type of transaction accesses the second and not the first type of database; and

    initiating transactions of the second and third type if a transaction of the first type is requested in the decentralised environment.

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