Tech Glossary
Event Storming
Event Storming is a collaborative workshop methodology used to explore and model complex business processes or software systems. It focuses on identifying domain events—specific occurrences within a system—and mapping them out in a visual, time-ordered manner. This approach is particularly useful in understanding intricate workflows, discovering domain boundaries, and aligning teams on a shared understanding of a project.
Key Components:
1. Domain Events: Represent significant occurrences, such as “Order Placed” or “Payment Processed.”
2. Actors: Identify users, systems, or external parties interacting with the process.
3. Commands: Actions initiated by an actor, triggering domain events.
4. Aggregates: Groupings of related domain events and commands, often aligning with system entities.
5. Policies: Define rules or conditions under which specific actions are triggered.
Steps in Event Storming:
1. Brainstorming Events: Participants collaboratively identify key domain events and place them on a timeline.
2. Clustering: Group related events to discover patterns, processes, or boundaries.
3. Adding Context: Introduce commands, actors, and policies to flesh out the workflow.
3. Discussion and Refinement: Use the model as a basis for identifying bottlenecks, ambiguities, or areas for improvement.
Benefits:
- Shared Understanding: Facilitates collaboration across teams, reducing miscommunication.
- Flexibility: Quickly adaptable to different domains, from software development to business strategy.
- Problem Discovery: Helps uncover hidden complexities or inefficiencies in processes.
- Domain-Driven Design (DDD): Provides a foundation for designing software systems aligned with business needs.
Use Cases:
- System Redesign: Mapping existing workflows to identify areas for improvement.
- Requirement Gathering: Captures requirements directly from stakeholders.
- Training and Onboarding: Helps new team members understand business processes quickly.
Event Storming's interactive and visual nature makes it a powerful tool for driving innovation, fostering collaboration, and creating robust system architectures.4.