AWS 99.999% Architecture

The following architecture is designed for 99.999% availability with the following key features:

1. Network Architecture:

   • Dual Direct Connect connections for high availability

   • Backup VPN for failover

   • Transit Gateway for centralized routing

   • Multi-AZ deployment in all environments

2. Account Structure:

   • Management account for organizational control

   • Dedicated security account

   • Shared services account

   • Separate accounts for each environment

3. Security & Compliance:

   • Centralized security tools

   • Identity management with SSO/MFA

   • Comprehensive monitoring and logging

4. Team Access Management:

   • Development team: Full access to Dev, read access to Test

   • DevOps team: Full access to all environments and CI/CD

   • Support team: Read access to all, limited Prod support access

5. Disaster Recovery:

   • Cross-region replication

   • Backup infrastructure in DR region

   • Automated failover capabilities

6. CI/CD Pipeline:

   • Automated deployment across environments

   • Artifact versioning and storage

   • Integration with security scanning