Architects' Tech Alliance

Aug 20, 2025 · Artificial Intelligence

Dual ToR and Dual‑Plane Designs: Boosting AI Training Performance in Large‑Scale Data Centers

The article explains how non‑stacked dual‑ToR and dual‑plane network architectures, combined with single‑chip high‑performance switches and multi‑rail host networking, dramatically improve reliability, load balance, and end‑to‑end training speed for massive AI models such as GPT‑3 175B.