---
title: A Case For Outside-In Design | Codurance
description: Our team of dedicated software craftspeople provides consultancy, software development, and training services to clients seeking high quality development processes and software solutions.
---

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# [A Case For Outside-In Design | Codurance](https://www.codurance.com/publications/videos/2018-06-23-a-case-for-outside-in)

 Written by [Sandro Mancuso, Co-founder and Group CEO](https://www.codurance.com/publications/author/sandro-mancuso) | 22 Jun 2018

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## A Case For Outside-In Design

For a few decades, one of the most common approaches to software design is to first focus on the domain model (application layer), then persistence (data layer) and finally the user interface (presentation layer). But what are the pros and cons of this approach? Are there other alternatives? Are they viable?

In this presentation, Sandro will be talking about different design biases and the impact they have. He will then focus on Outside-In Design, explaining how our domain model can emerge and evolve when driven by the needs of external systems or users, avoiding speculation and wasted effort.

[View full post](https://www.codurance.com/publications/videos/2018-06-23-a-case-for-outside-in)

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