Agile methods start the benefit stream earlier, generating more valuable returns from frequent, incremental product deliveries.
Now this is not the end. It is not even the beginning of the end. But it is, perhaps, the end of the beginning.
There is no need to do a project if the business does not benefit. Simple stuff, but in the long run, a project’s success will be judged more on the satisfaction of the beneficiaries than on the performance of the project. Look only to New Coke or the Apple Newton for examples of successful projects with unhappy endings.
Plan-driven project development lifecycle (PD-PDLC) methods often struggle with benefits realization, largely because everything comes at the end ...