By Franck Barbier, Jean-Luc Recoussine
These days, billions of strains of code are within the COBOL programming language. This e-book is an research, a analysis, a method, a MDD strategy and a device to rework legacy COBOL into modernized purposes that agree to net computing, Service-Oriented structure (SOA) and the Cloud. It serves as a blueprint for these in control of discovering strategies to this huge problem.
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This criterion is recognized as the first major obstacle for modernization. In these times of crisis, budget constraints drastically limit the spectrum of candidate methods for modernization. Returning to the metaphor of the energy-consuming car, modernization is not just the replacement without awareness of the old car by a cost-saving car. In other words, a smooth ride, for example, can be an existing practice to be kept. info 16 COBOL Software Modernization known circuits, shortcuts, car sharing, etc.
Simply speaking, since systems have lifecycles they have to die someday anyway. The motivation behind transition is their evident business value while their evolution is complex and costly, even no longer supportable. This business value may be difficult to measure and obtain. For example, a COBOL program generating a report from several flat (often odd) files keeps a business value through the fact people continue to read the report. They in particular have the possibility of bringing with them the report at different (professional or not) places.
The model perfectly reflects this value. 4 is a more common case of modeling. Car engineers are premier users of MDD. The generated product from the model, even robotized, is subject to a long run. However, everybody agrees in the car industry that models allow product line management, supply chain rationalization, deferred assembly for late customization and more. 4 is a service-based approach. Conceptually speaking, it is awkward to convince car manufacturers that a car is a computing cluster with a middleware platform, both surrounded by mechanical elements: engine, chassis, interior, etc.
COBOL Software Modernization by Franck Barbier, Jean-Luc Recoussine