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Layers in software: from data to value

November 5, 2019

Then Back in the 2000s, we wrote applications in layers. Presentation layer, client, data transfer, API, business logic, data access, database. We maintained strict separation bet ween these layers, even though every new feature changed all of them. Teams organized around these layers. Front end, back end, DBAs. Layers crisscrossed the flow of data. Responsibility …

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Every software team has a “process,” a series of steps of work. And then move back and forth between them in no order, mashing them together and adding others as needed. Let’s call this a set of activities, and stop pretending work moves from left to right.
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