System Development Methods The waterfall model is the traditional view of software/systems development. Over the years a number of problems have been identified with the waterfiall model, and therefore new approaches have been adopted. Task 1: Waterfall Model List the problems associated with the waterfall model. 2. 1. Why do organizations continue to use the waterfall model? You should base your answers on evidence rather than speculation, so make sure you record sources you use. You are encouraged to use online and library resources to complete your tasks