Reimplementation of a Cobol frontend with a Java client

For the rich client for the warranty processing created to provice a Windows frontend for legacy system, the requirements for response time and usability were clearly defined: scrolling between pages needed to be done within 1 second to ensure the end users were able to perform the same workload of devisions in the same time as in the legacy system.

Therefore a technical prototype was implemented to proof that requirement.

Based on a new architectural design the client was developed.

– Java/Swing
– NTlib (internal component library)
– RSM/J (internal middleware using LU6.2 and TCP/IP)

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