96 n Designing Complex Systems
enterprise is intending to adopt to handle it, in order to optimize the design. e
adaptability of these systems has to be designed in; they are not, in general, able to
accommodate unforeseen changes in their operating environment.
e result of this is, then, that the requirements of the service itself are only part
of the functional stakeholder requirements; the other part is made up of the numer-
ous additional requirements arising from the conditions under which the service
is to be provided, and it is the formulation of the implications of these additional
requirements of the functionality of the system that involves the actual values of
some of the parameters and opens up a whole new dimension of complexit ...