REFERENCE ARCHITECTURE 06 / 09

Share infrastructure, never authority.

Tenant isolation, entitlements and auditable shared operations.

SYSTEM BOUNDARIES

Where responsibility changes.

01Identity + tenant

02Entitlement

03Shared runtime

04Audit

Four design boundaries. The specific technology stack, data rights and operating model depend on the real environment.

DESIGN EXERCISE / FAILURE LAB

Choose a realistic failure condition to inspect a defensible response and the verification evidence it would require.

SELECT A FAILURE MODE

Scenario responses are authored reference examples and have not been measured in a customer environment.

RESPONSE CONTRACT01 / 02

Architecture response

HOW TO VERIFY

Tenant-isolation and cache-key tests.

TRADE-OFF TO ACCEPT

Isolation requires controls across every trust boundary.

BACK TO PRACTICE