ITU-T G.8264
E213145
ITU-T G.8264 is an international telecommunications standard that specifies Ethernet synchronization equipment and functions to support precise frequency and time distribution over packet networks.
All labels observed (3)
| Label | Occurrences |
|---|---|
| ITU-T G.8264 canonical | 4 |
| G.8264 for Ethernet synchronization messaging channel | 1 |
| ITU-T Recommendation G.8264 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1892528 — 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: ITU-T G.8264 Context triple: [ITU-T G.8262, relatedTo, ITU-T G.8264]
-
A.
ITU-T G.8261
ITU-T G.8261 is an international telecommunication standard that defines timing and synchronization requirements for packet-based networks, particularly for supporting services like mobile backhaul and other time-sensitive applications.
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B.
ITU-T G.8265.1
ITU-T G.8265.1 is an international telecommunications standard that specifies the use of packet-based timing protocols over IP networks to distribute frequency synchronization, particularly for mobile and packet-based services.
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C.
ITU-T G.8262
ITU-T G.8262 is an international telecommunications standard that specifies requirements for Ethernet equipment clocks used to distribute precise frequency synchronization over packet-based networks.
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D.
ITU-T G.8272
ITU-T G.8272 is an international telecommunication standard that specifies the primary reference time clock (PRTC) requirements for precise time and phase synchronization in packet-based networks.
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E.
ITU-T G.8273
ITU-T G.8273 is an ITU-T standard that specifies performance and architecture requirements for time and phase synchronization equipment in packet-based telecommunications networks.
- 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: ITU-T G.8264 Target entity description: ITU-T G.8264 is an international telecommunications standard that specifies Ethernet synchronization equipment and functions to support precise frequency and time distribution over packet networks.
-
A.
ITU-T G.8261
ITU-T G.8261 is an international telecommunication standard that defines timing and synchronization requirements for packet-based networks, particularly for supporting services like mobile backhaul and other time-sensitive applications.
-
B.
ITU-T G.8265.1
ITU-T G.8265.1 is an international telecommunications standard that specifies the use of packet-based timing protocols over IP networks to distribute frequency synchronization, particularly for mobile and packet-based services.
-
C.
ITU-T G.8262
ITU-T G.8262 is an international telecommunications standard that specifies requirements for Ethernet equipment clocks used to distribute precise frequency synchronization over packet-based networks.
-
D.
ITU-T G.8272
ITU-T G.8272 is an international telecommunication standard that specifies the primary reference time clock (PRTC) requirements for precise time and phase synchronization in packet-based networks.
-
E.
ITU-T G.8273
ITU-T G.8273 is an ITU-T standard that specifies performance and architecture requirements for time and phase synchronization equipment in packet-based telecommunications networks.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Ethernet synchronization standard
ⓘ
ITU-T Recommendation ⓘ telecommunications standard ⓘ |
| abbreviation |
G.826x
ⓘ
surface form:
G.8264
|
| appliesTo |
Ethernet
ⓘ
surface form:
Ethernet networks
packet-based networks ⓘ |
| belongsToSeries |
G.826x
ⓘ
surface form:
G.826x series
|
| category | synchronization and time distribution ⓘ |
| defines |
Ethernet equipment clock functions
ⓘ
Ethernet synchronization equipment ⓘ functional requirements for Ethernet synchronization ⓘ management aspects of Ethernet synchronization ⓘ performance requirements for Ethernet synchronization ⓘ |
| ensures |
interoperability of Ethernet synchronization equipment
ⓘ
quality of service for synchronization over packet networks ⓘ |
| focusesOn |
Ethernet synchronization
ⓘ
frequency distribution ⓘ packet network synchronization ⓘ time distribution ⓘ |
| goal |
provide precise frequency distribution over Ethernet
ⓘ
provide precise time distribution over packet networks ⓘ |
| governingBody | ITU Telecommunication Standardization Sector ⓘ |
| hasSubjectArea |
Ethernet transport
ⓘ
network synchronization ⓘ packet transport networks ⓘ |
| publishedBy |
ITU Telecommunication Standardization Sector
ⓘ
surface form:
ITU-T
International Telecommunication Union ⓘ |
| region | international ⓘ |
| relatedTo |
ITU-T G.8261
ⓘ
ITU-T G.8262 ⓘ ITU-T G.8275 ⓘ |
| scope |
frequency and time distribution over Ethernet
ⓘ
synchronous Ethernet equipment and functions ⓘ |
| sector | ITU-T Study Group 15 ⓘ |
| standardizes |
Ethernet equipment clock (EEC) behavior
ⓘ
interfaces for Ethernet synchronization ⓘ performance limits for Ethernet clocks ⓘ |
| supports |
frequency synchronization over Ethernet
ⓘ
synchronous Ethernet ⓘ time synchronization over packet networks ⓘ |
| usedBy |
network equipment manufacturers
ⓘ
telecommunications operators ⓘ |
| usedFor |
carrier Ethernet synchronization
ⓘ
mobile backhaul synchronization ⓘ transport network synchronization ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: ITU-T G.8264 Description of subject: ITU-T G.8264 is an international telecommunications standard that specifies Ethernet synchronization equipment and functions to support precise frequency and time distribution over packet networks.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Ethernet equipment slave clock
subject surface form:
Synchronous Ethernet
subject surface form:
Synchronous Ethernet
this entity surface form:
G.8264 for Ethernet synchronization messaging channel
this entity surface form:
ITU-T Recommendation G.8264