Limitations of the waterfall model The model implies that you should attempt to complete a given stage before moving on to the next stage -Does not account for the fact that requirements constantly change - lt also means that customers can not use anything until the entire system is complete The model makes no allowances for prototyping It implies that you can get the requirements right by simply writing them down and reviewing them The model implies that once the product is finished everything else is maintenance www.oseng.com O Lethbridge/Laganiere 2001 Chapter Il: Managing the Software Process© Lethbridge/Laganière 2001 Chapter 11: Managing the Software Process 9 Limitations of the waterfall model • The model implies that you should attempt to complete a given stage before moving on to the next stage —Does not account for the fact that requirements constantly change. —It also means that customers can not use anything until the entire system is complete. • The model makes no allowances for prototyping. • It implies that you can get the requirements right by simply writing them down and reviewing them. • The model implies that once the product is finished, everything else is maintenance