Skip to content

Sponsor: Do you build complex software systems? See how NServiceBus makes it easier to design, build, and manage software systems that use message queues to achieve loose coupling. Get started for free.

Learn more about Software Architecture & Design.
Join thousands of developers getting weekly updates to increase your understanding of software architecture and design concepts.


Follow @CodeOpinion

Derek Comartin

That’s NOT an Aggregate in Domain Driven Design

Are you frustrated that you have to open multiple files across multiple layers to make what seems like a simple change? One of the culprits for this is following structure and templates that apply patterns or concepts to solve problems you might not have. One typical case of this is using aggregate from domain drive design. In this video, I’ll give examples of where an aggregate can make sense and where it’s not and adds useless indirection. YouTube Check out my YouTube channel, where I post all kinds of content accompanying my posts, including this video showing everything in this post. Useless… Read More »That’s NOT an Aggregate in Domain Driven Design

McDonald’s Journey to Event-Driven Architecture

McDonald’s uses Event-Driven Architecture! Luckily for us, they’ve written a couple of blog posts providing some details of their journey into event-driven architecture. I’m going to go a bit deeper by providing my thoughts on how their system works and why they are doing it so that it can give you some ideas about your systems. YouTube Check out my YouTube channel, where I post all kinds of content accompanying my posts, including this video showing everything in this post. McDonald’s Event-Driven Architecture It’s always interesting to see companies post details of the architecture of various systems they have. It can be… Read More »McDonald’s Journey to Event-Driven Architecture

Do you need a Distributed Transaction? Maybe not!

If you’re working in a distributed application, you’re bound to run into a design issue where you want data consistency between services. But you don’t have a distributed transaction, so what’s the solution? In this video, I will take an example use case and explain the design challenge and solutions for handling communication and consistency between services. YouTube Check out my YouTube channel, where I post all kinds of content accompanying my posts, including this video showing everything in this post. Workflow This example use case was asked in my private Discord server by a member of my blog/channel. The domain is… Read More »Do you need a Distributed Transaction? Maybe not!