Balancing Choreography and Orchestration
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These days, many teams favor loose coupling, isolation and autonomy of services and therefore typically opt for event-driven and reactive architectures, using a communication pattern known as choreography. While choreography is beneficial in some situations, it is far from the holy grail of integration. In some scenarios, it increases coupling, often accidentally and to a dangerous degree. Orchestration is a better choice for some situations, but is often bashed for introducing tight coupling. I will debunk some of these myths and show how orchestration can even reduce coupling in some situations and totally work in an asynchronous, message-driven fashion.
TLDR: Choreography vs. orchestration is NOT about choosing THE right approach. In real life, you need to balance both, so it is about choosing wisely on a case-by-case basis. In order to help you with that, I will walk you through the differences and give you some concrete guidance on decision criteria, backed by examples collected in various real-life projects.
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Balancing Choreography and Orchestration
Bernd Rücker
Co-Founder and Chief Technologist at Camunda