20.10 Phase 0 Does Not Define Later Phase Implementation Profiles

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Phase 0 does not define later phase implementation profiles.

The Phase 0 Implementation Profile defines the selected Phase 0 Baseline. It does not define the final implementation architecture for all development phases, and it does not implement the later Phase 2 Policy And Release Plane extension.

Later implementation profiles may extend, refine, supersede, or replace the Phase 0 Baseline. A later Phase 2 profile may add distributed policy enforcement, replicated policy decision capability, policy administration, policy information sources, local policy caches, metadata or aggregate view builders, release gateways, recipient-specific release products, release Obligations, release Evidence, additional policy topics or equivalent exchanges, and stronger sovereignty-aware or residency-aware release controls.

Phase 0 implementation choices must preserve Traceability and should not preclude those later extensions. However, later phase capabilities must not be treated as Phase 0 requirements unless this implementation profile is explicitly revised and re-baselined.