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How to Build a RAG System: A Complete Guide to Enterprise RAG Architecture

This article shows how to build an enterprise RAG system end-to-end: from ingestion, chunking, and embeddings to hybrid retrieval, reranking, and output validation. You’ll learn enterprise RAG architecture best practices (security, governance, caching, monitoring), how to avoid common failure points, and how to evaluate encoders/vector stores for accuracy, cost, and latency. Includes actionable checklists and reference designs to help teams move from prototype to production.