A practical guide to software architecture design covering the full workflow from brainstorming to implementation. Covers techniques like EventStorming for creative exploration, the C4 model for zooming in and out of system perspectives, Mind Maps and the 5 Whys method for requirements discovery, and Risk Registers for managing uncertainty. Emphasizes a three-stage design flow: WHAT (business workflow), HOW (architecture patterns and guarantees), and WITH (specific tooling). Advocates for prototyping key functionalities early to validate assumptions, and encourages engineers to start visualizing and modeling regardless of organizational support.
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