organization of the system, in its environment, in the form of an arrangement of functions, their sub-functions and their interactions, defining their sequencing, flows, constraints and performance required to meet the requirements

Note 1 to entry: The organization of the system also includes the principles guiding its representation and those guiding its design and evolution.

Note 2 to entry: The relationships between the functions and their sub-functions and with their environment are described in particular in the interfaces (internal and external).

Go to the French version: architecture fonctionnelle

Related definitions: architecture ; physical architecture