Beginners Guide to Model-Based Systems Engineering

12/18/2018

Mapping Internal Block Diagrams (IBDs)

elicits

Requirement

Use Case

elaboratedby

refinedby

basedon / specifiedby

verifiedby

specifiedby

includes/ extends/ kindof

Verification Requirement

verifiedby

fulfilledby

involves/ describes

executedby

Verification Event

Resource

employs

includes

Test Configuration

Test Activity

captures/ consumes/ produces

formedby

Test Procedure

decomposedby

Level of Detail: High Audience: System/software engineers and SMEs

Component

Function

performs

incorporates

exhibits

exitsby

built from / kindof

exposes

decomposedby

joined to

State

enters

exitedby

inputs/ outputs/ triggeredby

Exit

Content: Specification of logical or physical connectivity often with ports, directionality, and corresponding data flows Use: Specification of logical or physical connections

Interface

Port

decomposedby

includes

comprisedof

Event

Transition

responsible for

connectsto

triggeredby

Link

Item

transfers

includes

decomposedby

constrains/ usesparameter from

generates

results in

causes

assignedto

Organization

Constraint Definition

Concern

Risk

137

Additional Physical Views

Level of Detail: Medium Audience: General Content: General context with lightweight composition and connectivity (logical and physical) Use: High-level contextual introduction to describe system boundaries and align system vision

DoDAF SV-1

Level of Detail: Low Audience: General Content: Single-level composition with corresponding logical (interface) or physical (link) connections Use: Identification of connections; clustering analysis

Physical N2 Diagram

138

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