The Context Diagram

One of the first things a product development team should do is gain a holistic understanding of the problem to be solved and how the development of a system might provide the solution. To capture this holistic understanding graphically, the Systems Engineer can create Context Diagrams. The...

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Verification Requirements. What are they?

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Infographic: The Oft-Forgotten "-ilities" Requirements.

When formulating requirements, many systems engineers and requirements engineers apply most of our focus toward the discovery of the mission-related requirements that get the job done. However, we may neglect or lack the time to capture the non-functional requirements that are just as essential...

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Infographic: The Anatomy of a Use Case Diagram

There are four reasons to create use cases and use case diagrams: To discover «requirements» for a system. To better understand a system from an external perspective. To understand the external and internal factors that influence a system. To depict the interaction among the system and...

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Infographic: Write a Use Case in 10 Easy Steps

Use cases are a powerful, effective way to capture how a system may be used before resources are spent designing and implementing. Use cases steer the design engineers toward an optimal system design and are significantly cheaper and more effective than trial and error engineering. This...

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