4-day-mbse-with-core9_2018-reva

Systems Architecture Generally we think of “Systems” in terms of: ‐ Requirements ‐ Physical entities ‐ Functions (what a system does) ‐ Interfaces between physical entities

Component

joined to

specifies

Interface

comprised of

performs

Link

Requirement

transfers

Item

basis of

inputs / outputs  / triggered by

Function

591

Operational Architecture

In an Operational Architecture we  think  of what we want to achieve in terms of: ‐ Performers ‐ What Performers “Need” ‐ “Abilities” we need accomplish ‐ “Activities” supporting the “Ability” ‐ Input and Outputs of Activities … And , we do this without specifying (or  determining) a specific system solution

Performer

Needline

transfers

performs

Operational Item

Capability

Operational  Activity

592