MBSE with GENESYS 2024

Appreciating the Enterprise Perspective: Insights from Andrew McNaughton / HS2

• “Why” is not an engineering decision • The why behind your system is business, social, or political • Consultation (listening) • The only way you get permission • The only way to get engagement • Requires engaging the other party on their terms • From their perspective • In their notation • "95% of evidence is why we didn't do something" • Decisions, process, and evidence will be challenged

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Understanding the Operational Architecture: What the System Will Do and Why • Defines the missions and in what scenarios • Interactions with other systems & environment • Measures of operational performance for interactions • Operational concept (how the system will perform its mission & how it will fulfill its purpose) • Considers sunny and rainy day scenarios • Reflects who will use the system and how it will

evolve over time • Operator context • Perception of value • …

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