After DAK-Gesundheit converted its core health insurance systems to a new standard solution, the old host-based system still contained a lot of historical insurance data that had to be kept searchable for over 30 years. The former core system was run on an IBM mainframe, was coded in COBOL and was cost-intensive to run and maintain. In addition, DAK hardly employed any host developers at that time, so that there was a very high risk for the long-term continued operation of the old application.
By using the adesso transformer, the complex business logic of the old core system was effectively transformed to Java. At the same time, an intuitive and modern user interface for searching and displaying archived insurance data was developed in the project.