Protocol
NVSwitch
Lab ready Full lab
Switch fabric chip that stitches many NVLink ports into all-to-all GPU topologies in DGX/HGX-class systems. Enables full-bandwidth collectives inside a node or rack island. Externally, multi-node work still crosses NICs and the datacenter fabric.
Tags
gpufabricswitchtopology
Related protocols
NVLink
Lab readyNVIDIA high-bandwidth GPU interconnect for peer-to-peer and coherent-ish memory traffic inside a node or NVSwitch domain. Generations dif…
ai
NCCL
Lab readyNVIDIA Collective Communications Library implementing allreduce, broadcast, and related GPU collectives over NVLink, PCIe, and RDMA. Topo…
ai
PCI Express
Lab readyPCI Express — packetized serial I/O with lanes, LTSSM link training, and TLP/DLLP layers. Gen5/Gen6 rates and retimers define reach; ACS …
aistorageembedded