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Define the decision before the design

Welcome: there is no neutral target state

Write requirements that can reject a design

Write principles with practical consequences

Checkpoint: make a quality requirement useful

Why measurable scenarios matter

Compare options and document the choice

Screen constraints before scoring preferences

Use a decision matrix as a discussion tool

Workshop: write an architecture decision record

Checkpoint: interpret a close matrix result

Worked recommendation and decision record

Compare target architectures using requirements, quality attributes, economics and reversibility. Record a defensible recommendation and the evidence that could change it.

Design the Future

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