new domains, including personal computers, intersatellite networks, health care, and joint service command and control architecture called for new-and for architects who specialize in that domain. Since its original publication, the text is in demand, this new show and field have contributed architectural concepts and tools of their own for a relatively new and growing profession called formalism-Art Architecting.The System Architecting Systems, Second Edition restates and extends to the future of classical architecting paradigm, incorporating the most widely accepted such contributions.