Finding the right size for a use case

Type: Rules


Find out whether a given system use case isn't too large and not too small.

Rules and Notes

R1: Each use case has a business trigger

R2: Each use case yields an externally observable result that is useful for the business

R3: Each use case is coherent by time

Note: R3 means the use case passes the lunch break test: the primary actor wouldn't take her lunch break while in the middle of the execution of the use case steps.

Costs, Savings

What does it take to implement those rules? What does it give?

Side effects

Is there anything that happend or will happen as one implements the rules? This relates to both wanted and unwanted effects ('unwanted' does not imply 'negative').

Related Pages

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