Architects Research Society

Jun 3, 2020 · Fundamentals

Typical Two‑Layer Spine‑Leaf Topology and Its Scalability

The article explains the classic two‑layer spine‑leaf (Clos) architecture, describing how each leaf switch connects to every spine switch, how oversubscription is handled by adding spines or leaves, and why the design offers predictable latency and easy scalability for data‑center networks.