Network Design for AI Workloads
Generative AI has shifted data center traffic patterns, making network performance the new bottleneck for model training. This post contrasts how the "Big Three" cloud providers utilize distinct architectures to solve this challenge. We examine Google Cloud’s evolution from proprietary TCPX to standard RoCEv2 on its optical Jupiter fabric, AWS’s innovation of the Scalable Reliable Datagram (SRD) protocol to mitigate Ethernet congestion, and Azure’s adoption of native InfiniBand.