Software Requirements, 3rd Edition

Chapter 22. Packaged solution projects

Some organizations acquire and adapt purchased packaged solutions (also called commercial off-the-shelf, or COTS, products) to meet their software needs, instead of building new systems from scratch. Software as a service (SaaS), or cloud, solutions are becoming increasingly available to meet software needs as well. Whether you’re purchasing a package as part or all of the solution for a new project or implementing a solution in the cloud, you still need requirements. Requirements let you evaluate solution candidates so that you can select the most appropriate package, and then they let you adapt the package to meet your needs.

As Figure 22-1 shows, COTS packages typically need to be configured, integrated, ...