Event Driven Architecture using Amazon EventBridge – Part 1

This article discusses KnowBe4's journey of adopting an event-driven architecture (EDA) using Amazon EventBridge on AWS to enable flexible and scalable software engineering.

Specifically, the article covers:

• KnowBe4's vision for an event-driven architecture to increase development velocity, decouple services, enhance resiliency, leverage event replay capabilities, enable scalability through asynchronous processing, and easily onboard new teams and services.
• Challenges faced during the adoption, such as low barrier of entry and defining standard event schemas for consistency.
• Decisions around bus topologies, event payloads, schema enforcement, and building an event catalog.
• The overall event-driven architecture implementation, including the secure entry point for publishing events, event publishing performance, and system performance metrics during load testing.
• Conclusion highlighting the success of EDA adoption, with 235 event types being published, over 3.6 billion events published in the last four months, increased fault tolerance, asynchronous processing, and decoupling of service dependencies.