Design Microservices Architecture with Patterns and Principles - Fan-Out Publish/Subscribe Messaging Pattern

The video tutorial explains the publish-subscribe messaging pattern, focusing on its fan out variant. It describes how messages are distributed to multiple destinations in parallel, allowing services to operate independently. The publish-subscribe model is highlighted as a method for decoupling applications, enhancing scalability and performance. The tutorial also covers the role of this pattern in event-driven architectures and modern cloud systems, emphasizing the benefits of asynchronous communication and message broadcasting.

What are the advantages of using publish-subscribe messaging in modern cloud architectures?

Describe how message topics function in the context of publish-subscribe messaging.