Terms and Acronyms

Enhanced PTP User Guide (UG1602)

Document ID
UG1602
Release Date
2022-10-18
Revision
1.0 English

The following table lists terms used in the guide and their definitions.

Table 1. Terms and Definitions
Term Definition
1PPS 1 Pulse Per Second
LACP Link Aggregation Control Protocol, part of IEEE-802.3ad
LRC

Local Reference Clock

The active clock to which all other clocks, on a PTP enabled server, are synchronized

MTIE Maximum Time Interval Error
NSM (Meinberg) NetSync Monitor
NTP Network Time Protocol
PF PCIe® Physical Function
PHC PTP Hardware Clock
PID Proportional, Integral, Differential filter
PPB Parts Per Billion
PPM Parts Per Million
PTP Precision Time Protocol
ptpd2 An implementation of IEEE-1588-2008 (PTP version 2)
sfptpd

Solarflare Enhanced PTP daemon

An implementation of IEEE-1588-2008 (PTP version 2)

TLV

Type, Length, Value

An element of a protocol or signaling message

UUID Universally Unique Identifier
VF PCIe Virtual Function
VLAN Virtual Local Area Network
VM Virtual Machine