Glossary
Term | Expanded Term | Additional Information/Comments |
GB | Grace-Blackwell | The CPU-GPU combination of this generation of NVIDIA compute systems. |
NVL | NVLink | A high-speed interconnect used for NVIDIA GPU-to-GPU traffic. |
NIC | Network Interface Card | Interchangeable terms for a device providing network connectivity to a computer system. The connectivity can be either Ethernet or InfiniBand, depending on the device. |
HCA | Host Controller Adapter | |
CA | Certificate Authority | |
NDIS | NVIDIA Device Identity Services | A publicly-accessible web endpoint providing access to NVIDIA certificates used for attestation and other PKI needs: NVIDIA Device Identity Services. |
IETF | Internet Engineering Task Force | |
CBOR | Concise binary object representation | See link under CoRIM. |
COSE | CBOR object signing and encryption | See link under CoRIM. |
CoMID | Concise Module ID | See link under CoRIM. |
CoRIM | Concise Reference Integrity Manifest | IETF CoRIM |
eRoT | external RoT | |
iRoT | internal RoT | |
RoT | Root-of-Trust | |
TPM | Trusted Platform Module | |
DMTF | Distributed Management Task Force | |
MCTP | Management Component Transport Protocol | DMTF MCTP |
SPDM | Security Protocols and Data Models | DMTF SPDM |
NVOS | NVIDIA Operating System | The Linux-based operating-system used on the GB NVL Switch Trays. |
NVUE | NVIDIA User Experience | NVUE defines two ways to interact with a switch system. 1. NVUE CLI, which is a command-line interface available after login to the NVOS environment. 2. NVUE API, which is a REST API to interact with the switch settings. |
BMC | Baseboard Manageability Controller | |
COMex | COM Express | |
TCG | Trusted Computing Group | |
DICE | Device Identifier Composition Engine | TCG DICE |
Compute Tray | The compute subsystem of a rack-scale NVL system. Combines CPU and GPU compute, as well as networking devices. | |
Switch Tray | The switching subsystem of a rack-scale NVL system. Provides GPU-to-GPU connectivity. | |
FW | Firmware | |
HW | Hardware | |
SW | Software | |
PSC | Platform Security Controller | The embedded security engine used in some of NVIDIA’s hardware devices. |
Ncore | Networking Core | In the case of Connect-X NICs, this refers to the “main” FW of the device and/or the embedded micro-controller computing cores on which it executes on. |
TPM | Trusted Platform Module | |
IAK | Initial Attestation Key |