CourseAI System Design: The Complete Course · Module 2: Requirements · part 14 of 107
Part 14 · Module 2: Requirements

Lesson 1: Frame the problem before you design it

29 min read·
Module 2 · Lesson 1 · About 45 minutes · Needs: Module 1 (the structural differences), Python, and what a regular expression is

The situation

Week 2 at Northdesk. Joel, the head of product, sends one line: "Ask should answer every employee's HR question, and Cases should do more." Before anyone draws a box, Gareth, the design reviewer, asks: should this be built at all, and for whom?

So you frame the problem first, tracing one Tallis Retail Group question, "How many days of annual leave do I get?", through six questions.

HOW IT WORKS Six questions before any boxes Joel's request one line who, how often 1 which job 2 AI at all? 3 without a model 4 will not do 5 success measure 6 design Module 4
Joel's one-line request passes six framing questions (blue, Northdesk's own work) before any architecture is drawn (grey, later).

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