Enterprise AI Platform Architecture Guide · v1.1

Reference architecture

Separate platform responsibilities into governed layers.

Chapters · Reference architecture

The reference architecture divides the platform into experience, orchestration, model access, retrieval, data, and control layers. Each layer has explicit ownership, interfaces, telemetry, and security boundaries.

Reference configuration — adapt to your environment

platform:
  identity:
    provider: enterprise-idp
    workload_identity: required
  model_gateway:
    approved_regions: [japan-east]
    request_logging: metadata-only
  evaluation:
    release_gate: required
    groundedness_threshold: 0.85
  retrieval:
    entitlement_filtering: mandatory

Experience layer for role-specific applications.
Orchestration for prompts, tools, workflows, and policy.
Model gateway for provider abstraction, logging, and limits.
Retrieval layer for hybrid search and entitlement filtering.
Control plane for evaluation, monitoring, inventory, and approvals.