Event-Driven Architecture
The short answer · 10 words
In short
An event-driven architecture couples systems over published and processed events.
Flow-alerta.cab (2026): Event-Driven Architecture. https://flow-alerta.cab/en/glossar/event-driven-architecture. Editorially reviewed on: 10 October 2026.
How much detail would you like?
Practical
EDA supports decoupled, often timely processes; end-to-end latency and robust error handling must be planned separately.
Hypothetical example: An order intake triggers stock inspection, confirmation and analysis independently of each other.
SMEs can gradually connect systems if responsibilities and restart are clearly defined.
At a glance
- Core
- Producers report state changes; brokers or streams distribute them to independent consumers. Processing can take place asynchronously and several times.
- Use
- EDA supports decoupled, often timely processes; end-to-end latency and robust error handling must be planned separately.
- Example
- Hypothetical example: An order intake triggers stock inspection, confirmation and analysis independently of each other.
- Limits
- Confuse event with command; ignore order and duplicates; lack of idem potency, schema versioning and observability.
Questions about this term
Does each event have to arrive exactly once?
Practically often not guaranteed.
What helps against duplicates?
Idempotent processing.
All details and background
Producers report state changes; brokers or streams distribute them to independent consumers. Processing can take place asynchronously and several times.
ELI5 – Explained simply
A system calls “order received” and appropriate services respond to it.
Why it matters in practice
EDA supports decoupled, often timely processes; end-to-end latency and robust error handling must be planned separately.
Example
Hypothetical example: An order intake triggers stock inspection, confirmation and analysis independently of each other.
Pitfalls and limits
- Confuse event with command; ignore order and duplicates; lack of idem potency, schema versioning and observability.
Origin & history
EDA builds on messaging and publish/subscribe; AsyncAPI documents events, channels and systems involved.
Use in mid-sized companies
- SMEs can gradually connect systems if responsibilities and restart are clearly defined.
Related terms
- Event
- Message Broker
- Pub/Sub
- Event sourcing
- Idempotency
Matching Flow-alerta service
AI opportunity analysis & roadmapAI consulting: Examine the suitability, data and prerequisites of a possible use case on the subject of “event-driven architecture”.Matching tool / use case
View use casesUse Case: robust order events between shop, ERP and notificationSources
Quellenprüfung: 10.10.2026. Definition und dokumentierte Einordnung abgeglichen; Beispiele beschreiben mögliche Anwendungen.
Editorially reviewed on: