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Be proactive about state in a reactive system

Nele Lea Uhlemann - Camunda

There are multiple things to consider when creating reactive systems. Orchestration with reactive APIs is not easy and often error prone. Introducing a message broker to handle and manage asynchronous communication is common practice in reactive systems and leads to event driven architectures. In such architectures it becomes harder to manage and monitor the state of your systems. Having transparency about the state is essential especially considering more complex principals for example the Saga Pattern. This talk introduces ways of how to manage state in a reactive system. It outlines the concept of modern workflow engines, ways to integrate them in your spring environment, with message brokers or use them in a standalone fashion.