Explore the concept of Cloud Native architecture in this 27-minute keynote presentation by Emmanuel Bernard at Devoxx. Delve into the reasons behind adopting Cloud Native approaches, starting with definitions and enablers. Learn about the journey from monolithic structures to microservices, addressing challenges such as scalability, isolation, and data management. Discover the complexities of microservices-based systems and how circuit breakers can mitigate issues. Examine the benefits of message-driven and reactive microservices, as well as the shift from static to dynamic data handling. Gain insights into Reactive Systems and their advantages, with a particular focus on Java-related density challenges in Cloud Native environments.