This part documents deployment patterns and security architecture for Constitutional Execution Infrastructure (CEI), focusing on operational resilience, trust segmentation, and secure execution environments.
| ID | Topology | Description |
|---|---|---|
| D-001 | Single Region | All services deployed within one availability region. |
| D-002 | Multi-Region | Active/active deployment across geographic regions. |
| D-003 | Hybrid | On-premises and cloud-hosted services combined. |
| D-004 | Air-Gapped | High-assurance isolated deployment. |
External Client
│
API Gateway
================ Trust Boundary ================
Governance Runtime
├─ Authority Service
├─ Policy Engine
├─ Evidence Service
└─ Immutable Ledger
================ Data Boundary =================
Projection Store
Monitoring & Audit
| Capability | Objective |
|---|---|
| High Availability | Reduce downtime during failures. |
| Disaster Recovery | Recover from verified backups. |
| Observability | Monitor governance health and events. |
| Backup Validation | Regularly verify recoverability. |
Next: Volume II — Part V: Organizational & Federated Governance Views.
This document forms part of the CEI publication record. Supporting evidence is organized through the engineering-evidence archive, specifications, architecture documentation and replay verification materials.