PHYSICAL LAYER #05
Networking
Scale-Up NVLink Fabrics & Scale-Out InfiniBand/Ethernet
PHYSICAL BLUEPRINT • LAYER #05 NETWORKING
Key Research Question:
“Will proprietary scale-up domain interconnects maintain pricing moats against emerging open Ultra Ethernet fabrics?”
Cluster Serialization Latency & Switch Tray Thermal Loads
Key Technologies in this Layer
NVLink 5.0PCIe Gen 6RoCEv2Ultra Ethernet51.2T Switch ASICs