Writing Security Specification with Things That Flow

Enterprise Asset Management as a Flow Machine

“…For the sake of self-contained paper, the FM model is briefly reviewed in the next section. This model has been utilized as a tool in several fields, including software engineering, business processes, and engineering design [14][15][16][17][18][19][20].…”

“…An employee creates the purchase request in (9) which in turn is transferred through the system (10) and received by the supervisor (11). Once the supervisor receives the request,  If the employee is not authorized to place the request, a cancellation is created (12) that flows to the system (13) and creates a cancellation response (14) that is sent to the employee as a feedback (15).  If the purchase price exceeds the limit, a rejection is created (16) that flows through the system (17) to be received by the manager (18).…”

“…An employee creates a DTR (8) that flows to the system (9) where it is processed (10) and sent to a supervisor (11). Accordingly,  If the employee is not authorized to create the request, a cancellation is created (12) that flows to the system (13), where a cancellation response is created (14) and sent to the employee (15).  If any of the company"s specifications are incorrect, a rejection is created (16) that flows to the system (17), where a rejection response is created (18) and sent to the employee (19).…”