Tag Archives: use cases

Use cases in lean architecture

James Coplien and Gertrud Bjørnvig have written a wonderful book explaining how lean architecture can play a meaningful role in agile software development. Here they describe the benefits of use cases “as a way to capture what the system does when it is important to understand a sequence of work towards a goal in a context” (Lean architecture for agile software development, ch. 8.2).

The notion of a sequence of work towards a goal in a context resonates strongly with me: it’s a brief and–to  me–powerful way of tying what needs to be done to context and purpose.

I have been working on e-commerce sites for the last few years. Much of the work has been driven by conversations about user journeys or user interaction flows (or whatever you’d like to call this).

I suspect that interaction flow descriptions/visualizations and use cases might well complement each other, but I haven’t yet seen them being effectively used together. I’d be grateful for your thoughts, experiences and suggestions.

Notes:

When I say “use cases” I refer to the Alistair Cockburn tradition.

James & Gertrud more often used the phrase “a sequence of tasks…” than “a sequence of work…”. The latter seems preferable to me as it seems applicable in a much wider context.

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