HFT networks are also a lot smaller than hyperscaler datacenters, and designed with more cross-sectional bandwidth. A good chunk of the traffic (trading-relate

HFT networks are also a lot smaller than hyperscaler datacenters, and designed with more cross-sectional bandwidth. A good chunk of the traffic (trading-related messages) also tends to not use congestion control. In large web company datacenters, RDMA and RoCE have had a much "rockier" path forward.