CourseAI System Design: The Complete Course · Module 15: Communicating a Design · part 101 of 107
Part 101 · Module 15: Communicating a Design

Lesson 3: Six practice designs, each from a real one

27 min read·
Module 15 · Lesson 3 · About 50 minutes · Needs: the Module 3 lab (the estimator), Module 15 lesson 1 (the ten-step order). No model calls, no key

The situation

Week 15. Before the capstone, Gareth sets the six designs reviewers ask for most. His rules: the ten steps in order, numbers before boxes, one decision as an ADR.

Ask is the RAG design, Cases the agent, Northdesk the multi-tenant platform, Module 7's gateway the gateway. The yardstick is Joel's target, run through one estimator.

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