Administrative TieringΒΆ
flowchart TD
T0[Tier 0 - Identity Plane]
T1[Tier 1 - Servers]
T2[Tier 2 - Workstations]
T0 --> DC[Domain Controllers]
T0 --> PKI[PKI]
T0 --> AD[AD Admin Groups]
T1 --> FS[File Servers]
T1 --> APP[Application Servers]
T1 --> MON[Monitoring]
T2 --> WKS[Workstations]
T2 --> USERS[User Support]
T2 -. must not administer .-> T0
T1 -. must not administer .-> T0