Migration by generating an independent access layer for a bank

 

Click here to start


Table of content

Migration by generating an independent access layer for a bank

Why is migration so complex?

What are the key factors?

How can this complexity be reduced?

Getting the meta data

Mapping situations on the field-level

Mapping on the record-level

Mapping limitations

Access layer funtional objectives

Access layer economical objectives

make the programs I/O independent

Make I/O to an object by a perform

Access layer runtime architecture

How do you choose the I/O modul?

Switching from VSAM to DB2

Switching from VSAM/DB2 to PAD

A production fallback scenario

Generating reduces project-time

What can be generated?

What cannot be generated?

Reverse, Reengineer and Run (RRR)

Benefit of a independent file system

Thank you for listening

E-Mail: refit@wpms.de

Homepage: http://www.data-migration.net