June 2026
Intermediate
180 pages
4h 38m
French
Content preview from Le modèle C4 (French Edition)
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Chapitre 9. Diagramme de l'environnementsystème
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Le cœur du modèle C4 offre une vue statique d’un seul système logiciel, mais les systèmes logiciels ne fonctionnent jamais de manière isolée. Pour cette raison, et en particulier si tu es responsable d’un ensemble de systèmes logiciels, il est souvent utile de comprendre comment tous ces systèmes s’articulent entre eux. À cette fin, j’ajouterai un autre diagramme qui vient se superposer aux diagrammes de structure statique C4 pour illustrer l’architecture du système logiciel. C’est l’objectif du diagramme d’architecture du système et le thème central de ce chapitre.
Aspects clés du diagramme du paysage du système
Connaître l’intention, la portée, le contenu, les cas d’utilisation et le public cible du diagramme de paysage du système te permettra d’utiliser ce diagramme efficacement.
Objectif
Le diagramme de paysage système te permet de répondre aux types de questions suivants :
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Comment les différents systèmes logiciels du groupe/département/organisation s'articulent-ils entre eux ?
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Quel serait l'impact si un système logiciel particulier venait à changer ou à être retiré de l'environnement ?
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Quel serait l'impact si on décidait de restructurer, fusionner ou démanteler l'organisation?
Portée
La portée d'un diagramme de paysage système dépend vraiment de toi. Voici quelques options courantes ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.