Glossary of Terms

Brief explanations of terms used throughout the TNSR documentation. In-depth descriptions are typically provided upon first usage.

ACL

An acronym for Access Control List.

ARP

An acronym for Address Resolution Protocol.

ASN

An acronym for Autonomous System Number.

BFD

Bidirectional Forwarding Detection (BFD) is used to detect faults between two routers across a link, even if the physical link does not support failure detection.

BGP

An acronym for Border Gateway Protocol.

CA

An acronym for Certificate Authority.

CPE

An acronym for Customer Premise Equipment.

DMZ

An acronym for Demilitarized Zone.

DNS

An acronym for Domain Name System.

DPDK

An acronym for Data Plane Developer Kit.

ERSPAN

An acronym for Encapsulated Remote Switched Port Analyzer.

FRR

An acronym for Free Range Routing.

GRE

An acronym for Generic Routing Encapsulation.

HTTP

An acronym for Hypertext Transfer Protocol.

ICMP

An acronym for Internet Control Message Protocol.

IOVA

An acronym for IO Virtual Addresses.

IP

An acronym for Internet Protocol.

ISP

An acronym for Internet Service Provider.

L2

Layer 2 (L2) is the second layer, or data link layer, of the seven-layer OSI model of computer networking.

L3

Layer 3 (L3) is the third layer, or network layer, of the seven-layer OSI model of computer networking.

LAN

An acronym for Local Area Network.

MIB

An acronym for Management Information Base.

MED

An acronym for Multi Exit Discriminator.

MTU

An acronym for Maximum Transmission Unit.

NACM

An acronym for NETCONF Access Control Model.

NAT

An acronym for Network Address Translation.

NDP

An acronym for Neighbor Discover Protocol.

NETCONF

Short for Network Configuration Protocol.

NMS

An acronym for Network Monitoring System.

OSPF

An acronym for Open Shortest Path First.

PA

An acronym for Physical Addresses.

PKI

An acronym for Public Key Infrastructure.

QAT

An acronym for Intel®’s QuickAssist Technology.

RDMA

An acronym for Remote Direct Memory Access.

SNMP

An acronym for Simple Network Management Protocol.

SPAN

An acronym for Switch Port Analyzer.

SSH

An acronym for Secure Shell.

TCP

An acronym for Transmission Control Protocol.

TEB

An acronym for Transparent Ethernet Bridging.

TSO

An acronym for TCP Segmentation Offload.

UDP

An acronym for User Datagram Protocol.

UIO

An acronym for Userspace Input/Output.

VA

An acronym for Virtual Address.

VFIO

An acronym for Virtual Function Input/Output

VLAN

Short for Virtual LAN.

VM

An acronym for Virtual Machine.

VPN

An acronym for Virtual Private Network.

VR

An acronym for Virtual Router.

VRF

Virtual Routing and Forwarding (VRF) is a feature which uses isolated L3 domains with alternate routing tables for specific interfaces and dynamic routing purposes.

VRRP

Virtual Router Redundancy Protocol (VRRP) is a protocol which allows routers to coordinate control of IP addresses between multiple nodes acting as a single “virtual” router cluster.

VXLAN

Short for Virtual Extensible LAN.

WAN

An acronym for Wide Area Network.

YANG

Yet Another Next Generation (YANG) is a data modeling language used to model configuration and state data manipulated by NETCONF.

Note

Though technically abbreviations read letter by letter are initialisms, not acronyms, this document refers to both as acronyms to be more accessible to readers.