Comparing Workflow Architectures: Choosing the Right Process Model
Introduction: Why Workflow Architecture MattersEvery organization runs on workflows—sequences of tasks that transform inputs into outputs. But not all workflows are created equal, and the architecture that underpins them can make the difference between a process that runs smoothly and one that constantly breaks down. When we talk about workflow architecture, we're referring to the structural design that defines how tasks are ordered, how decisions are made, how data flows between steps, and how the system handles exceptions. Getting this right from the start saves teams from costly rework, reduces technical debt, and ensures that processes can adapt as business needs evolve.The Hidden Costs of a Poor Architecture ChoiceIn a typical project, one team I read about chose a simple sequential model for what turned out to be a highly conditional insurance claims process. The result was a brittle system where every new rule required code changes, testing cycles stretched