Networking in the Age of AI Workloads: InfiniBand vs RoCE vs Cloud Networking

Artificial Intelligence (AI) has rapidly evolved from a niche research field into the driving force behind today’s technological revolution. From large language models (LLMs) powering generative AI tools to recommendation engines, self-driving cars, and predictive analytics, AI workloads are everywhere. These workloads are hungry for compute power — requiring massive clusters of GPUs and TPUs to train and run models. But while GPUs tend to capture the headlines, networking is the invisible backbone of AI performance. Without the right interconnect fabric, even the most powerful GPUs sit idle, waiting for data to arrive or synchronizations to complete. ...

September 23, 2025 · 6 min · Swamy D K V