Abstract
Software design is the process of mapping software functional requirements into a set of modules for implementation. In this paper, a new design technique called the concurrent software design technique (CSDT) is proposed. CSDT extends software design techniques, which are based on structured analysis and design, by identifying independent concurrent tasks for implementation in multiprocessing, multitasking and the C/S environment. A case study on re-engineering a large legacy system, implemented on mainframes as a sequential system, to a C/S environment is presented next in order to highlight the benefits of the CSDT. Finally, this paper concludes with a comparison of CSDT with other existing approaches and the lessons learned from the experience with this technique. © 1999 John Wiley & Sons, Ltd.
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