Modern Data Center Network Architecture First Principles: Clos Topologies, Leaf-Spine Fabrics, BGP Underlay, and...

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[!NOTE] Executive Summary (TL;DR) Datacenter Network Evolution : Evolves from traditional STP bridging to modern Layer-3 Clos Leaf-Spine topologies, leveraging BGP-EVPN control planes and VXLAN overlays with equal-cost multi-pathing (ECMP). Specification Realities : RFC 7348 does not strictly enfor…

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1. 2026-10-21 08:51 · DEV Community — AI
   Modern Data Center Network Architecture First Principles: Clos Topologies, Leaf-Spine Fabrics, BGP Underlay, and...