Chapter 22. Enhancing the Requirements Model
In this chapter, we describe the process of taking the technology-independent requirements model of the system and mapping it into an architecture model, which takes into account both the technology and the physical constraints in which the implemented system must work. As already indicated, this process is an iterative one in which the components of the requirements model are assigned to physical processes, while nonfunctional requirements, such as input and output processing, reliability, and so on, are added.
The purpose of enhancing the functional requirements model is to obtain a technology-nonspecific model of the requirements, which reflects the whole range of general systems concerns. Business ...
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