# Prompt 2: Architecture diagram
# ExaCS dual-region with Data Guard, Hub-Spoke, dual FastConnect

title: "PharmaCorp Mexico — ExaCS Migration Architecture"

regions:
  - name: "Queretaro (Primary)"
    availability_domains:
      - name: "AD-1"
        subnets:
          - name: "DB Subnet (Private)"
            services:
              - name: "ExaCS X11M"
                type: "database"
                notes: "3 DBs: EBS R12, SAP, DW"
          - name: "App Subnet (Private)"
            services:
              - name: "EBS App Tier"
                type: "compute"
              - name: "Bastion"
                type: "security"
          - name: "Public Subnet"
            services:
              - name: "WAF"
                type: "security"
                notes: "Protects EBS web tier"
    hub_services:
      - name: "DRG"
        type: "networking"
      - name: "OCI Vault"
        type: "security"
      - name: "OCI Audit + Logging"
        type: "observability"

  - name: "Sao Paulo (DR)"
    availability_domains:
      - name: "AD-1"
        subnets:
          - name: "DB Subnet (Private)"
            services:
              - name: "ExaCS Standby"
                type: "database"
                notes: "Data Guard: EBS + SAP"

connections:
  - from: "Mexico City DC"
    to: "DRG (Queretaro)"
    type: "FastConnect 10Gbps Dual"
  - from: "ExaCS X11M"
    to: "ExaCS Standby"
    type: "Data Guard (async redo)"
  - from: "DRG"
    to: "Sao Paulo VCN"
    type: "Remote peering"