Ultra Ethernet for next-generation AI and HPC workloads

From Microsoft Research

UltraEthernet is advancing as a critical standard for AI and HPC workloads, highlighting Microsoft’s hardware-focused progress, system architecture planning, and collaboration with academia and industry to drive the platform shift in AI infrastructure. The discussion covers leadership, ongoing development, and the strategic direction of UltraEthernet within Azure and broader research efforts.

Key Takeaways

  • AI-centric data centers: expansion, efficiency, and AI workloads redefine scale; extraordinary capex signals strategic bets, not mere hype.
  • Middle innings metaphor lands: early chaos fades into decisive, incremental gains in performance, reliability, and cost per AI task.
  • Diversity pays off: mixing AMD and Maya architectures buffers risk, accelerates innovation, and avoids vendor lock-in for ML workloads.
  • Liquid cooling shift matters: megawatts moving from air to liquid unlocks sustainability at scale, with tighter operation discipline.
  • AI networks as a bottleneck focus: inter-data-center AI fabric (AI Van) turns latency into global throughput and resilience.

Who is mentioned in this episode?

5 people come up, including Torstton Hoffler, Sarab, Abdul Kabani.

Mentioned in this episode