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When Should an LLM Router Stop Being Sticky? llm-d 1.0 Cache-Affinity Routing, Break-Even Math, and a Simulation
TL;DR What shipped: llm-d 1.0 was announced on 2026-10-20 under CNCF governance, with vLLM and SGLang as supported model servers. The feature that most affects your GPU bill is not the headline li...