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

Domain Driven Design Quickly

I just realized that it has been almost 10 years since Eric Evans wrote Domain-Driven Design: Tackling Complexity in the Heart of Software.  Although it’s not new, it is still gaining awareness  and is still very relevant.  I’ve mentioned DDD in many of my posts so I figured I needed to provide some resources. If you are new to Domain Driven Design and want a summary instead of jumping into Eric Evans book, then Domain Driven Design Quickly is for you.  Produced by InfoQ.com, this cliff notes book provide introductions to all the fundamentals of DDD. DDD Quickly can be downloaded… Read More »Domain Driven Design Quickly

TDD + DDD = BDD

Test Driven Development + Domain Driven Design = Behavior Driven Development Although it isn’t anything new (coined 6+ years ago), it doesn’t seem to be as mainstream in terms of buzzword/awareness.  BDD is often referred to as TDD done right.  Meaning that TDD is about guiding design and not just about having a regression suite.  In DDD, there is the concept of ubiquitous language, which is about using the business vocabulary in the code base. Dan North is the man behind BDD, check out his intro. Or if you prefer video, here is a Google Tech Talk with Dave Astels.

Status Quo

In 2007 there was a movement in the .NET community dubbed “ALT.NET”.  A community was formed by individuals who believed there to be a “better” way from the tooling, frameworks, practices and principles provided by Microsoft.  The initial release of Linq to Entities (Entity Framework) was really a starting point for discussion since it did not support POCO’s and was not persistence ignorant. ALT.NET was about challenging the status quo.  Although some might not be familiar with with the ALT.NET movement, you can thank it for helping the common practice of: Inversion of Control (Dependency Injection), Persistence Ignorant ORM’s, and… Read More »Status Quo