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Chapter 11 - The Enterprise AI Platform Architecture

Chapter 11 establishes the core enterprise AI platform capabilities needed to scale and govern AI applications. It defines shared services for model access, routing, RAG, guardrails, and observability, treating the AI platform as an internal product via the Enterprise AI Platform Reference Architecture. Chapter 11 represents the critical Transition from Technology Architecture (Phase D) to Opportunities & Solutions (Phase E) within TOGAF 10. While Phase D defines technical building blocks, Phase E organizes them into a concrete platform implementation, moving from fragmented stacks toward a consolidated, shared utility.