Software Engineering, 10th Edition

19.3 System procurement

System procurement or system acquisition is a process whose outcome is a decision to buy one or more systems from system suppliers. At this stage, decisions are made on the scope of a system that is to be purchased, system budgets and timescales, and high-level system requirements. Using this information, further decisions are then made on whether to procure a system, the type of system required, and the supplier or suppliers of the system. The drivers for these decisions are:

1. The replacement of other organizational systems If the organization has a mixture of systems that cannot work together or that are expensive to maintain, then procuring a replacement system, with additional capabilities, may lead to ­significant ...