Name: Model Mitosis: a dynamic pattern to deal with model tensions
Start: 2023-10-17T19:15:00+02:00
End: 2023-10-17T21:15:00+02:00
Location: PayFit

**Back IRL! 🤩 (in Paris this time)**
**I would like to thank Payfit for that opportunity**

and for their sponsorship of this new event in real life. I would also like to thank Krisztina Hirth for the introduction ;-)

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**June 8th, I tweeted this:**
*"Yesterday, I witnessed an **incredible talk that has instantly secured a place in my top three all-time tech talk list.** It was delivered by [@JulienTopcu](https://twitter.com/JulienTopcu) and [@JosianChevalier](https://twitter.com/JosianChevalier) at [#DDDEU](https://twitter.com/hashtag/DDDEU?src=hashtag_click) in Amsterdam. Their presentation was nearly flawless, excelling in both content and delivery."*

This is the talk #DDDFR and Payfit would like to offer you for this exceptionnal live event with 2 incredible mandalorians.

Thomas PIERRAIN

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**Warning:** We will probably not be able to video capture it so... you'd better book your night and come with friends ;-)

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**Abstract**
Just as models should be iterative, strategic design should change when the context and our understanding of the problem evolve. As a model grows to solve more problems, it becomes less supple in its ability to evolve. Tensions arise within the model that struggles to stay coherent.
Eventually it reaches a critical mass and becomes a big ball of mud.
How do we know when it’s time to let new models emerge? How do we carry on the decision to split a model? How can we handle the progressive differentiation of our models while avoiding unnecessary coupling? It’s not as easy as a clean axe cut in the middle, finding the right boundaries is hard.

We would like to introduce the Model Mitosis, a dynamic pattern used to split a model into multiple ones that will get shaped and decoupled iteratively.

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**About Julien Topçu**
[Twitter](https://twitter.com/JulienTopcu) [LinkedIn](https://www.linkedin.com/in/julien-top%C3%A7u/) [Blog](https://beyondxscratch.com/) [Company Website](https://shodo.io) [Sessionize](https://sessionize.com/julientopcu)
I like to craft software with high business value using techniques from Domain-Driven Design, all powered by Xtreme Programming in the Kanban #NoEstimates philosophy. Member of the OWASP foundation, I evangelise on application security techniques in order to avoid being hacked properly.

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**About Josian Chevalier**
[Twitter](https://twitter.com/JosianChevalier) [LinkedIn](https://www.linkedin.com/in/jchevaliersoftwareengineer/) [Company Website](https://shodo.io/) [Sessionize](https://sessionize.com/josian-chevalier)
Software Craftsman at Shodo, I specialize in Domain Driven Design. I strive to improve my approach of software development and my knowledge, as well as raise awareness about software quality among developers.

Thomas PIERRAIN

DDD FR

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Model Mitosis: a dynamic pattern to deal with model tensions

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Model Mitosis: a dynamic pattern to deal with model tensions

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