AI Cyberspace

Feb 24, 2025 · Cloud Computing

Scaling AI Training: Inside Large-Scale RDMA Networks and Modern Congestion Controls

This article explores the hardware and networking foundations for training massive AI models, detailing the challenges of large‑scale RDMA deployment, the evolution of congestion‑control algorithms like DCQCN, TIMELY, HPCC, and AWS's SRD, and how hardware offload and programmable switches enable scalable, low‑latency AI infrastructure.