2025-11-22 16:18:20 +01:00
|
|
|
---
|
|
|
|
|
sidebar_position: 13
|
|
|
|
|
---
|
|
|
|
|
|
2025-11-22 18:07:34 +01:00
|
|
|
# Cloud Migration to AWS
|
2025-11-22 16:18:20 +01:00
|
|
|
|
|
|
|
|
## Context
|
|
|
|
|
|
|
|
|
|
Supporting Patronus company in its migration to AWS: technical architecture document, technology watch, planning and cost estimation.
|
|
|
|
|
|
|
|
|
|
## Objectives
|
|
|
|
|
|
|
|
|
|
- Conduct technology watch on Cloud services
|
|
|
|
|
- Produce a Technical Architecture Document (TAD)
|
|
|
|
|
- Compare on-premise, IaaS and PaaS models
|
|
|
|
|
- Establish a migration schedule (Gantt)
|
|
|
|
|
- Estimate human and financial costs
|
|
|
|
|
|
|
|
|
|
## Evaluated AWS Services
|
|
|
|
|
|
|
|
|
|
| Service | On-prem Equivalent | Usage |
|
|
|
|
|
|---------|-------------------|-------|
|
|
|
|
|
| **EC2** | Physical servers | Compute |
|
|
|
|
|
| **RDS** | MySQL/PostgreSQL | Managed database |
|
|
|
|
|
| **S3** | NAS/SAN | Object storage |
|
|
|
|
|
| **CloudFront** | CDN | Content distribution |
|
|
|
|
|
| **VPC** | Local network | Network isolation |
|
|
|
|
|
| **IAM** | Active Directory | Access management |
|
|
|
|
|
|
|
|
|
|
## Model Comparison
|
|
|
|
|
|
|
|
|
|
| Criteria | On-premise | IaaS (EC2) | PaaS (Elastic Beanstalk) |
|
|
|
|
|
|----------|------------|------------|--------------------------|
|
|
|
|
|
| Control | Total | High | Limited |
|
|
|
|
|
| Maintenance | Internal | Shared | AWS |
|
|
|
|
|
| Scalability | Limited | Good | Excellent |
|
|
|
|
|
| Initial cost | High | Low | Low |
|
|
|
|
|
| Recurring cost | Low | Variable | Variable |
|
|
|
|
|
|
|
|
|
|
## Deliverables
|
|
|
|
|
|
|
|
|
|
<details>
|
|
|
|
|
<summary>View deliverables</summary>
|
|
|
|
|
|
|
|
|
|
- [Technology Watch](/assets/projets-oc/p13/bene_mael__1_resultat-veille_112025.pdf)
|
|
|
|
|
- [Migration Plan](/assets/projets-oc/p13/bene_mael_2_migration_Patronus_112025.pdf)
|
|
|
|
|
- [Presentation](/assets/projets-oc/p13/bene_mael_3_diaporama_112025.pdf)
|
|
|
|
|
|
|
|
|
|
</details>
|
|
|
|
|
|
|
|
|
|
## Skills Acquired
|
|
|
|
|
|
|
|
|
|
- Structured technology watch
|
|
|
|
|
- Understanding of Cloud models (IaaS/PaaS/SaaS)
|
|
|
|
|
- Technical architecture document writing
|
|
|
|
|
- Project cost and effort estimation
|
|
|
|
|
- Migration planning (Gantt)
|
|
|
|
|
- Stakeholder communication (kickoff)
|
