add circet REX

matthieupetite · Nov 29, 2024 · f65c386 · f65c386
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+---
+layout: post
+comments: true
+title: Success of the Migration to Azure Cloud for Circet
+type: post
+lang: fr
+tags: [GitOps, finops, terraform, entreprise scale, azure]
+image: /images/post/2024/11/circet-migration-cloud.png
+summary: "Retour d'experience sur le déploiement d'entreprise scale landing zone"
+---
+## Introduction
+The Circet project is an ambitious initiative aimed at modernizing the company's system integration mechanisms by leveraging enterprise service bus principles,
+ particularly with the use of Logic Apps. This project also includes the deployment of a low-code business API for work order management and the implementation of HR processes.
+
+## Objective
+The project aims to deploy an enterprise-scale landing zone architecture on Azure, based on Microsoft's recommendations and best practices.
+ This modular architecture is designed to evolve with the company's needs, whether it involves migrating applications or deploying new applications on Azure.
+
+## Context
+Circet is a company specializing in the deployment and maintenance of mobile and fixed telecom infrastructures for companies such as Orange, Bouygues, SFR, and Free.
+ Present in 13 countries, Circet also invests in energy transition. The project aims to improve user experience, increase the catalog of offers, and optimize development processes.
+  Circet entrusted Orange Business to carry out the work. The extensive use of automation via infrastructure as code allowed for the rapid construction of a cloud infrastructure while adhering to cloud best practices.
+
+## Overall Architecture
+Circet's landing zone architecture is based on the Hub & Spoke model, allowing for efficient management of critical resources on Azure.
+ This architecture includes several design areas, including Azure billing, identity and access management, business continuity and disaster recovery, as well as connectivity and management resources.
+
+## Design Areas
+1. **Azure Billing and Azure Active Directory:** Management of Azure subscriptions and contracts.
+2. **Core Resources:** Organization of management groups and subscriptions, security governance, and compliance.
+3. **Identity and Access Management:** Synchronization of users and groups between Active Directory and Azure Active Directory.
+4. **Connectivity Zone:** Connection between on-premises infrastructure and the cloud, using Fortigate appliances for security and network traffic management.
+5. **Management Zone:** Monitoring and management of Azure resources, centralization of logs and events, infrastructure auditing.
+6. **API Production Zone:** Deployment of applications based on PaaS and SaaS services, integration of the software application for processing Bouygues Telecom customer orders.
+
+## Conclusion
+The Circet project represents a significant advancement in improving Circet's IT infrastructure and transitioning to the cloud.
+ By adopting Microsoft's best practices and using a modular architecture, Circet is well-positioned to meet the growing needs of its clients and improve the efficiency of its development processes.
+  Thanks to them for trusting Orange Business for this great achievement.
diff --git a/_posts/fr/2024-11-29-projet-circet.md b/_posts/fr/2024-11-29-projet-circet.md
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+---
+layout: post
+comments: true
+title: Réussite de la Migration vers le Cloud Azure pour Circet
+type: post
+lang: fr
+tags: [GitOps, finops, terraform, entreprise scale, azure]
+image: /images/post/2024/11/circet-migration-cloud.png
+summary: "Retour d'experience sur le déploiement d'entreprise scale landing zone"
+---
+## Introduction
+Le projet Circet est une initiative ambitieuse visant à moderniser les mécanismes d'intégration de systèmes de l'entreprise en s'appuyant sur les principes d'entreprise service bus,
+ notamment avec l'utilisation de Logic Apps. Ce projet comprend également la mise en ligne d'une API Métier de prises d'ordre de travail en mode low code et l'implémentation de processus RH.
+
+## Objectif
+Le projet vise à déployer une architecture de zone d'atterrissage à l'échelle de l'entreprise sur Azure, basée sur les recommandations et les meilleures pratiques de Microsoft.
+Cette architecture modulaire est conçue pour évoluer avec les besoins de l'entreprise, qu'il s'agisse de la migration d'applications ou du déploiement de nouvelles applications sur Azure.
+
+## Contexte
+Circet est une entreprise spécialisée dans le déploiement et la maintenance d'infrastructures télécom mobiles et fixes pour des compagnies telles qu'Orange, Bouygues, SFR et Free.
+Présente dans 13 pays, Circet investit également dans la transition énergétique. Le projet vise à améliorer l'expérience utilisateur, à augmenter le catalogue d'offres et à optimiser les processus de développement.
+Circet a fait confiance à Orange Business pour réaliser les travaux. L'utilisation massive de l'automatisation via l'infrastructure as code a permis de construire une infrastructure cloud rapidement tout en respectant les best practices cloud.
+
+## Architecture Globale
+L'architecture de zone d'atterrissage de Circet repose sur le modèle Hub & Spoke, permettant une gestion efficace des ressources critiques sur Azure 
+Cette architecture comprend plusieurs zones de conception, notamment la facturation Azure, la gestion des identités et des accès,
+la continuité des activités et la reprise après sinistre, ainsi que la gestion des ressources de connectivité et de gestion.
+
+## Zones de Conception
+1. **Facturation Azure et Annuaire Active Directory Azure :** Gestion des abonnements et des contrats Azure.
+2. **Ressources de Base :** Organisation des groupes de gestion et des abonnements, gouvernance de la sécurité et conformité.
+3. **Gestion des Identités et des Accès :** Synchronisation des utilisateurs et des groupes entre Active Directory et Azure Active Directory.
+4. **Zone de Connectivité :** Connexion entre l'infrastructure sur site et le cloud, utilisant des appliances Fortigate pour la sécurité et la gestion du trafic réseau.
+5. **Zone de Gestion :** Surveillance et gestion des ressources Azure, centralisation des journaux et des événements, audit de l'infrastructure.
+6. **Zone de Production API :** Déploiement d'applications basées sur des services PaaS et SaaS, intégration de l'application logicielle pour le traitement des commandes des clients de Bouygues Telecom.
+
+## Conclusion
+Le projet Circet représente une avancée significative dans l'amélioration de l'infrastructure IT de circet et la transition vers le cloud. En adoptant les meilleures pratiques de Microsoft et en utilisant une architecture modulaire,
+Circet est bien positionnée pour répondre aux besoins croissants de ses clients et améliorer l'efficacité de ses processus de développement. Merci à eux d'avoir fait confiance à Orange Business pour cette belle réalisation.
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