The C4 Model - Beyond The Basics • Simon Brown • YOW! 2025

This presentation was recorded at YOW! 2025. #GOTOcon #YOW
https://yowcon.com

Simon Brown - Author & Creator of "The C4 Model" @simonbrown4821 

RESOURCES
https://simonbrown.je
https://bsky.app/profile/simonbrown.je
https://twitter.com/simonbrown
https://linkedin.com/in/simonbrownjersey
https://c4model.com
https://structurizr.com

Links
https://www.viewpoints-and-perspectives.info/home/perspectives
https://martinfowler.com/articles/microservices.html

ABSTRACT
The C4 model for visualising software architecture has been gaining traction, with many organisations adopting it as their preferred way to document software architecture. Although C4 is relatively lightweight and straightforward, there are a number of common questions I hear asked on a regular basis.

Join me for a tour of these topics, and hear my advice on how to model shared code, microservices, message-driven architectures, and more. I'll also share some insights into scaling the C4 model - both when diagramming larger software systems and when diagramming an entire system landscape. [...]

TIMECODES
00:00 Intro
00:48 The C4 Model
06:34 1. Containers
17:02 2. Perspectives
18:56 3. Message-driven architectures
21:59 4. Abstraction vs organisation
24:30 5. Microservices
30:30 6. The C4 Model at scale
33:28 7. The C4 Model in the enterprise
35:05 A final note...
35:53 Outro

Download slides and read the full abstract here:
https://yowcon.com/brisbane-2025/sessions/3616

RECOMMENDED BOOKS
Simon Brown • The C4 Model • https://amzn.to/40kU6yc
Nick Rozanski &, Eóin Woods • Software Systems Architecture • https://amzn.to/4cOLtTv

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