
162 CHAPTER 6 Requirements Engineering
In addition, there may be a need to retain information that links related
requirements. That is, some requirements may have corequirements or pre-
or post-requirement relationships. Requirements relationship matrices
may be developed to keep track of the relationships between requirements
or relationships to design, etc.
The earlier discussion on organizing and prioritizing requirements implied
that each requirement must be uniquely identifiable. This unique identifi-
cation of requirements is also important if the requirements are to be
traceable.
6.4 Requirements Definition, Prototyping,and Reviews
Requirements ...