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Practical Data Migration by Johny Morris

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11 MIGRATION DESIGN AND EXECUTION

PDMv2 migration design and execution is made up of the following sub-modules:

  • migration end-to-end design (E2E design);
  • extract, transform and load (ETL design);
  • detailed decommissioning design;
  • migration build, test and execute.

I will look at the role of each of these in turn, assessing the impact of technology options and the DMZ, and show how all the PDMv2 artefacts I have created so far are brought together to create an ideal zero-defect data migration.

MIGRATION END-TO-END DESIGN

Migration end-to-end (E2E) design is an overview, or architectural design, that describes the migration from the moment the first extract of framework data is taken through to the moment when the last LDS is decommissioned ...

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