Part 2: Modern AI Engineering Stack — Tools, Runtimes & Private Gateways
Answer-first: The modern enterprise AI engineering stack replaces chaotic direct cloud provider API keys with an air-gapped Private AI Gateway utilizing LiteLLM, in-memory Redis semantic caching with cosine distance below 0.05, quantized local coding models, and Model Context Protocol (MCP 2.0), slashing recurring token operational expenditure by eighty-four percent while eliminating intellectual property leakage. Prerequisite: Basic understanding of API gateway patterns, reverse proxies, vector embeddings, and containerized Docker deployments. ...