A curated list of awesome articles and resources to learn about event-driven architecture.
Event-driven architecture is a software architecture approach where services collaborate by publishing and subscribing to events. This eliminates runtime coupling of services.
By Russ Miles, October 2016. _"It is **not the things** that matter in early stages of design - **it is the things that happen**."_
By Randy Shoup, January 2018. Focusses on the most important part of EDA: The actual events.
By Neil Avery, January 2019. Somewhat lengthy article that's great in painting the "big picture".
By Kacey Bui, February 2021. Good overview of the basics.
By Ben Morris, December 2021. Every non-trivial system involves workflows that span multiple services. There are opposing schools of thought on how to handle this. Ben Morris gives a short, balanced introduction.
By Barry O'Sullivan, December 2017. About finding the right granularity for events.
By Olivier Jauze, March 2021. Michelin's journey from BPM orchestration to event-driven choreography. It's the first of a series and continues with [part 2](https://blogit.michelin.io/moving-from-orchestration-to-choregraphy-part-2/) and [part 3](https://blogit.michelin.io/moving-from-orchestration-to-choreography-part-3/).
By Frank de Jonge, February 2022. There are different approaches to classifying events - this is a very good one.
By Frank de Jonge, February 2022. Transactional outbox is a crucial pattern for services basing their persistence on CRUD/RDBMS.
From the McDonald's tech blog, August 2022. Not very detailed, but an easily digestible case study about event-driven architecture at scale. Listing this here is not an endorsement of their products. There's a [second part](https://medium.com/mcdonalds-technical-blog/mcdonalds-event-driven-architecture-the-data-journey-and-how-it-works-4591d108821f), too.
By Natan Silnitsky, August 2022. Especially when you only just get started, check this to spare you some frustration later. You might also want to check the "Further Reading" section at the end.
By Kris Van Vlaenderen, January 2024. Sounds very similar to the previous one. But it's not a case of duplicate events - it's actually 5 different pieces of advice.
By Chris Tacey-Green, March 2026. Based on production experience at Investec, the article covers both the benefits and the costs of running EDA in a regulated environment.
By Duana Stanley, October 2019. Overall a great talk, definitely worth watching. Below are some minor issues I have with it.
By Tim Berglund, May 2021. Good overview, clear presentation.
By Wim Debreuck, June 2023. A talk that goes beyond the technical fundamentals, into the architecture and design process of event-driven applications. The shown approach might not be universal, but provides important insights. I especially like the clarity around business events.
By Dave Farley, July 2024. Watching videos by Dave Farley is always time well spent, and his short take on event-driven architecture is no exception.
By Toli Apostolidis, September 2022. You can ignore the first 8 minutes and 15 seconds (in fact the link will skip them), they are mostly promotion for AWS. But from there on follows a good talk on real-world experiences with event-driven architecture.
By Wade Waldron, February 2024. A short video (just over 5 minutes) explaining what the transactional outbox pattern is and how it works.
By Ryan Cormack, May 2024. He tells the story of Motorway's journey to event driven, and also includes a lot of foundational aspects.
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