A presentation at Laravel Live UK in in London, UK by Rob Allen
DDD Strategic Concepts Rob Allen, June 2024
It started with a book Rob Allen | @akrabat | social.akrabat.com/@rob
Rob Allen | @akrabat | social.akrabat.com/@rob
DDD provides for the Strategic and Tactical Rob Allen | @akrabat | social.akrabat.com/@rob
Strategic Design Rob Allen | @akrabat | social.akrabat.com/@rob
Domains & Models Rob Allen | @akrabat | social.akrabat.com/@rob
A Domain is something in the real-world Rob Allen | @akrabat | social.akrabat.com/@rob
A Domain is the subject of our project Rob Allen | @akrabat | social.akrabat.com/@rob
A Domain is understood by experts in the space Rob Allen | @akrabat | social.akrabat.com/@rob
A Domain Model is a representation of the Domain Rob Allen | @akrabat | social.akrabat.com/@rob
A Domain Model is an abstraction of reality Rob Allen | @akrabat | social.akrabat.com/@rob
A Domain Model is expressed as diagrams, words, code Rob Allen | @akrabat | social.akrabat.com/@rob
Expressed as a diagram Rob Allen | @akrabat | social.akrabat.com/@rob
Building domain knowledge Rob Allen | @akrabat | social.akrabat.com/@rob
“We have really everything in common with America nowadays except, of course, language” Oscar Wilde Rob Allen | @akrabat | social.akrabat.com/@rob
Ubiquitous Language Rob Allen | @akrabat | social.akrabat.com/@rob
Ubiquitous Language is The agreed concepts, meanings and terms for the project Rob Allen | @akrabat | social.akrabat.com/@rob
You have to talk! Rob Allen | @akrabat | social.akrabat.com/@rob
Ubiquitous Language is Foundational to implementing Domain Driven Design Rob Allen | @akrabat | social.akrabat.com/@rob
In Domain-Driven Design Everything revolves around Ubiquitous Language Rob Allen | @akrabat | social.akrabat.com/@rob
Observations about creating a domain model Rob Allen | @akrabat | social.akrabat.com/@rob
Focus effort where it matters Rob Allen | @akrabat | social.akrabat.com/@rob
Knowledge Crunching Rob Allen | @akrabat | social.akrabat.com/@rob
Knowledge Crunching Event Storming Rob Allen | @akrabat | social.akrabat.com/@rob
By Henning Schwentner - CC BY-SA 4.0
Knowledge Crunching User Story Mapping Rob Allen | @akrabat | social.akrabat.com/@rob
By Dai Fujihara - CC BY-SA 2.0
Knowledge Crunching Event Modelling Rob Allen | @akrabat | social.akrabat.com/@rob
Model change over time Rob Allen | @akrabat | social.akrabat.com/@rob
Managing Domain Complexity Rob Allen | @akrabat | social.akrabat.com/@rob
Bounded Contexts define the boundary for a model Rob Allen | @akrabat | social.akrabat.com/@rob
Bounded Contexts protect the domain model from dilution Rob Allen | @akrabat | social.akrabat.com/@rob
Bounded Contexts are composed into an application Rob Allen | @akrabat | social.akrabat.com/@rob
Context maps Rob Allen | @akrabat | social.akrabat.com/@rob
To sum up Rob Allen | @akrabat | social.akrabat.com/@rob
To sum up Rob Allen | @akrabat | social.akrabat.com/@rob
“Domain-Driven Design is about creating shared understanding of the problem space that is reinforced ubiquitously via conversations, code and diagrams.” Nick Tune Rob Allen | @akrabat | social.akrabat.com/@rob
Thank you! Rob Allen | @akrabat | social.akrabat.com/@rob
Photo Credits - Risk: I. Hassan, https://www.flickr.com/photos/iahvector/15342391100 - Event Storming: H Schwentner, https://commons.wikimedia.org/w/index.php?curid=57766348 - Story Mapping: D Fujihara, https://www.flickr.com/photos/49942291@N06/6271934371 Rob Allen | @akrabat | social.akrabat.com/@rob
Domain Driven Design focusses on modelling the domain logic and helps us to map the business requirements to our software. We’ll discuss the terminology and take a look at what Domain Driven Design is and see how you use it to build and architect software that meets the needs of its users. This talk will concentrate on the on the strategic considerations in DDD, particularly the importance of communication at all levels of the project so that by the end of this session you will be better positioned to create excellent, maintainable models in your application.
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