Efficient Ops
Jun 19, 2019 · Operations
How to Build a Pure Three‑Tier Server Access Network Without Overlay
This article examines the evolution of data‑center server access networks, explains why traditional large Layer‑2 designs are problematic at scale, and presents a pure three‑tier underlay solution that uses host routing, ECMP, and ARP proxy to achieve seamless KVM communication without overlay overhead.
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