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Let S be a system. The functional requirement architecture diagram of S is then a hierarchical exhaustive representation of all functional requirements of S, a functional requirement R1 being under another functional requirement R2 in this hierarchy if and only...

Constructional architecture, or equivalently constructional analysis, intends to describe precisely the different components of a system, but also all their relative interactions. The core motivation of constructional architecture is to concretely understand and specify in details the system, in terms...

Let S be a system. The constructional decomposition diagram associated with S is then a hierarchical representation of the components of S, a set C1, C2, …, CN of components being under another component D in this hierarchy if D...

Systems architecting is not like mathematics since systems architecting issues have commonly never only true or false answers, which may be disorientating for the beginner. A systems architecture process does indeed classically lead to many different possible and valuable solutions....

Steps 1 to 3 can be typically prepared by the systems architect alone (or with a small team), without opening too much the circle of stakeholders. Steps 4 and 5 shall however necessarily be achieved through a collective decision process...

To progress in systems architecting, the systems architect shall thus clearly develop its non-technical competency (consensus creation, workshop animation, meeting facilitation, etc.), but which has to be applied in technical complex contexts. In this matter, practice is absolutely fundamental. One...