Fireworks AI explains splitting prefill and decode across datacenters and hardware

Matt Murphy of Fireworks AI describes separating LLM prefill and decode across datacenters and hardware classes, according to a post by LMSYS Org on X dated November 9, 2026.

He names three trade-offs: moving the KV cache over limited Ethernet links, reworking request lifecycles, and securing traffic across datacenter boundaries. The report contains no performance figures or deployment results.