AWS Serverless Microservices with Patterns and Best Practices - Serverless Pattern: Fan-Out and Message Filtering with P

The video tutorial explores asynchronous design patterns, focusing on the fan-out message filtering with the publish-subscribe pattern using Amazon Event Bridge. It explains how asynchronous messaging decouples services, enabling one-to-many communication without coupling. The tutorial covers event-driven communication in microservices, using examples like price changes in e-commerce. It discusses various patterns, including RESTful microservices, fan-out, and message filtering, and introduces Amazon SQS for load balancing. The video concludes with a preview of upcoming topics, such as AWS Lambda.

What are the key components involved in the publish-subscribe pattern as mentioned in the text?

Provide an example of an event that can trigger a response in a microservices architecture.