IEEE 1588 Precision Time Protocol standard

E1462

IEEE standard technical standard time synchronization protocol

The IEEE 1588 Precision Time Protocol standard defines a method for highly accurate time synchronization over packet-based networks, widely used in industrial automation, telecommunications, and power systems.

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All labels observed (13)

Label	Occurrences
IEEE 1588 Precision Time Protocol	9
IEEE 1588	5
Precision Time Protocol	5
IEEE 1588 PTP	3
IEEE 1588-2008	3
Best Master Clock Algorithm	2
IEEE 1588-2002	2
IEEE 1588-2019	2
IEEE 1588 Precision Time Protocol standard canonical	1
IEEE 1588 Precision Time Protocol standards	1
IEEE 1588-2008 PTP profile for media networks	1
IEEE 1588-2008 Precision Time Protocol	1
IEEE Standard for a Precision Clock Synchronization Protocol for Networked Measurement and Control Systems	1

How this entity was disambiguated

This entity first appeared as the object of triple T12928 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: IEEE 1588 Precision Time Protocol standard
Context triple: [IEEE Standards Association, develops, IEEE 1588 Precision Time Protocol standard]

A. IEEE Standards Association
The IEEE Standards Association is a leading global organization that develops and maintains technical standards across a wide range of industries, including electronics, communications, and information technology.
B. IEEE 1394
IEEE 1394 is a high-speed serial bus interface standard, commonly known as FireWire, used for real-time data transfer between digital devices such as computers, cameras, and audio/video equipment.
C. IEEE 802.11
IEEE 802.11 is a family of wireless networking standards that define the protocols for implementing Wi‑Fi local area networks.
D. NMTI
NMTI is a prestigious United States presidential award that honors individuals, teams, and companies for outstanding contributions to technological innovation and advancement.
E. N8 Research Partnership
N8 Research Partnership is a collaboration of eight research-intensive universities in Northern England focused on advancing world-class research, innovation, and economic growth.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: IEEE 1588 Precision Time Protocol standard
Target entity description: The IEEE 1588 Precision Time Protocol standard defines a method for highly accurate time synchronization over packet-based networks, widely used in industrial automation, telecommunications, and power systems.

A. IEEE Standards Association
The IEEE Standards Association is a leading global organization that develops and maintains technical standards across a wide range of industries, including electronics, communications, and information technology.
B. IEEE 1394
IEEE 1394 is a high-speed serial bus interface standard, commonly known as FireWire, used for real-time data transfer between digital devices such as computers, cameras, and audio/video equipment.
C. IEEE 802.11
IEEE 802.11 is a family of wireless networking standards that define the protocols for implementing Wi‑Fi local area networks.
D. NMTI
NMTI is a prestigious United States presidential award that honors individuals, teams, and companies for outstanding contributions to technological innovation and advancement.
E. N8 Research Partnership
N8 Research Partnership is a collaboration of eight research-intensive universities in Northern England focused on advancing world-class research, innovation, and economic growth.
F. None of above. chosen

Statements (50)

Predicate	Object
instanceOf	IEEE standard ⓘ technical standard ⓘ time synchronization protocol ⓘ
alsoKnownAs	PTP ⓘ Precision Time Protocol ⓘ linked to: IEEE 1588 Precision Time Protocol standard
appliesTo	packet-based networks ⓘ
category	network protocol ⓘ time and frequency distribution standard ⓘ
defines	Precision Time Protocol ⓘ linked to: PTP boundary clock ⓘ delay request and delay response messages ⓘ grandmaster clock ⓘ management messages ⓘ ordinary clock ⓘ profile concept for specific application domains ⓘ synchronization messages ⓘ transparent clock ⓘ
edition	IEEE 1588-2002 ⓘ linked to: IEEE 1588 Precision Time Protocol standard IEEE 1588-2008 ⓘ linked to: IEEE 1588 Precision Time Protocol standard IEEE 1588-2019 ⓘ linked to: IEEE 1588 Precision Time Protocol standard
fieldOfUse	industrial automation ⓘ measurement and control systems ⓘ power systems ⓘ telecommunications ⓘ time synchronization ⓘ
firstEditionYear	2002 ⓘ
fullName	IEEE Standard for a Precision Clock Synchronization Protocol for Networked Measurement and Control Systems ⓘ linked to: IEEE 1588 Precision Time Protocol standard
goal	highly accurate time synchronization over networks ⓘ
publishedBy	IEEE Standards Association ⓘ Institute of Electrical and Electronics Engineers ⓘ
relatedStandard	IEC 61850 ⓘ ITU-T G.8265.1 ⓘ ITU-T G.8275.1 ⓘ SMPTE ST 2059 ⓘ
secondEditionYear	2008 ⓘ
shortName	IEEE 1588 ⓘ linked to: IEEE 1588 Precision Time Protocol standard
specifies	Best Master Clock Algorithm ⓘ clock servo behavior ⓘ delay measurement mechanisms ⓘ master-slave clock hierarchy ⓘ synchronization message exchange ⓘ
supports	sub-microsecond time synchronization accuracy ⓘ
thirdEditionYear	2019 ⓘ
transport	Ethernet ⓘ linked to: IEEE 802.3 Ethernet standard IP networks ⓘ
usedIn	audio and video distribution systems ⓘ industrial Ethernet networks ⓘ mobile backhaul networks ⓘ power utility communication networks ⓘ test and measurement systems ⓘ

How these facts were elicited

Referenced by (36)

Full triples — surface form annotated when it differs from this entity's canonical label.

IEEE Standards Association → develops → IEEE 1588 Precision Time Protocol standard ⓘ

IEEE 1588 Precision Time Protocol standard → fullName → IEEE Standard for a Precision Clock Synchronization Protocol for Networked Measurement and Control Systems ⓘ