Random Early Detection
E325872
Random Early Detection is a congestion avoidance mechanism for packet-switched networks that probabilistically drops packets before a queue becomes full to signal and control incipient congestion.
All labels observed (9)
How this entity was disambiguated
This entity first appeared as the object of triple T3081815 — 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: Random Early Detection Context triple: [RFC 3168, relatedConcept, Random Early Detection]
-
A.
QUIC Loss Detection and Congestion Control
QUIC Loss Detection and Congestion Control is an IETF specification that defines how the QUIC transport protocol detects packet loss and manages congestion to ensure efficient and reliable data transmission on the internet.
-
B.
Classless Inter-Domain Routing
Classless Inter-Domain Routing (CIDR) is an IP addressing and routing scheme that replaces traditional class-based networks to enable more efficient allocation of IP address space and improved route aggregation on the internet.
-
C.
Time-Sensitive Networking
Time-Sensitive Networking is a set of IEEE 802 Ethernet standards that enable deterministic, low-latency, and highly reliable communication for real-time applications such as industrial automation, automotive, and professional audio/video.
-
D.
IEEE 802.1CB Frame Replication and Elimination for Reliability
IEEE 802.1CB Frame Replication and Elimination for Reliability is an Ethernet Time-Sensitive Networking (TSN) standard that enhances reliability by duplicating critical traffic across multiple paths and removing redundant copies at the receiver to prevent packet loss.
-
E.
Real-time Transport Control Protocol
Real-time Transport Control Protocol (RTCP) is a companion protocol to RTP that provides out-of-band control, quality-of-service feedback, and synchronization for real-time audio and video streams over IP 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: Random Early Detection Target entity description: Random Early Detection is a congestion avoidance mechanism for packet-switched networks that probabilistically drops packets before a queue becomes full to signal and control incipient congestion.
-
A.
QUIC Loss Detection and Congestion Control
QUIC Loss Detection and Congestion Control is an IETF specification that defines how the QUIC transport protocol detects packet loss and manages congestion to ensure efficient and reliable data transmission on the internet.
-
B.
Classless Inter-Domain Routing
Classless Inter-Domain Routing (CIDR) is an IP addressing and routing scheme that replaces traditional class-based networks to enable more efficient allocation of IP address space and improved route aggregation on the internet.
-
C.
Time-Sensitive Networking
Time-Sensitive Networking is a set of IEEE 802 Ethernet standards that enable deterministic, low-latency, and highly reliable communication for real-time applications such as industrial automation, automotive, and professional audio/video.
-
D.
IEEE 802.1CB Frame Replication and Elimination for Reliability
IEEE 802.1CB Frame Replication and Elimination for Reliability is an Ethernet Time-Sensitive Networking (TSN) standard that enhances reliability by duplicating critical traffic across multiple paths and removing redundant copies at the receiver to prevent packet loss.
-
E.
Real-time Transport Control Protocol
Real-time Transport Control Protocol (RTCP) is a companion protocol to RTP that provides out-of-band control, quality-of-service feedback, and synchronization for real-time audio and video streams over IP networks.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
active queue management algorithm
ⓘ
congestion avoidance mechanism ⓘ |
| abbreviation | RED ⓘ |
| actsOn | incoming packets ⓘ |
| aimsTo |
avoid global synchronization of TCP flows
ⓘ
keep queueing delay low ⓘ maintain high link utilization ⓘ |
| canBeCombinedWith |
The Addition of Explicit Congestion Notification (ECN) to IP
ⓘ
surface form:
Explicit Congestion Notification
|
| category |
Internet congestion control
ⓘ
network traffic management ⓘ |
| configurationChallenge | sensitive to parameter settings ⓘ |
| contrastsWith | tail drop ⓘ |
| deployment | implemented in many router operating systems ⓘ |
| describedIn |
Random Early Detection
self-linksurface differs
ⓘ
surface form:
Random Early Detection Gateways for Congestion Avoidance
|
| designedFor | routers ⓘ |
| dropPolicy |
does not drop packets when average queue size is below minimum threshold
ⓘ
drops all packets when average queue size is above maximum threshold ⓘ drops packets with probability increasing with average queue size ⓘ |
| feedbackMechanism | implicit congestion notification via packet loss ⓘ |
| influenced |
Random Early Detection
self-linksurface differs
ⓘ
surface form:
Adaptive RED
CoDel ⓘ
surface form:
Controlled Delay (CoDel)
Proportional Integral controller Enhanced (PIE) ⓘ Random Early Marking ⓘ Active Queue Management ⓘ
surface form:
Weighted RED
|
| influences | end-to-end congestion control algorithms ⓘ |
| introducedBy |
Sally Floyd
ⓘ
Van Jacobson ⓘ |
| introducedIn | early 1990s ⓘ |
| keyParameter |
maximum drop probability
ⓘ
maximum threshold ⓘ minimum threshold ⓘ |
| limitation | can be difficult to tune for diverse traffic patterns ⓘ |
| operatesIn | packet-switched networks ⓘ |
| primaryGoal |
congestion avoidance
ⓘ
control incipient congestion ⓘ |
| problemAddressed | bufferbloat ⓘ |
| publicationYear | 1993 ⓘ |
| publishedIn | IEEE/ACM Transactions on Networking ⓘ |
| queueBehavior | drops packets before queue becomes full ⓘ |
| queueDisciplineType | probabilistic queue management ⓘ |
| queueMetric | average queue size ⓘ |
| signals | impending congestion to end hosts ⓘ |
| standardizedIn | IETF RFC 2309 guidelines ⓘ |
| usedWith |
Transmission Control Protocol
ⓘ
surface form:
TCP congestion control
|
| uses | exponentially weighted moving average of queue length ⓘ |
| usesMethod | probabilistic packet dropping ⓘ |
| worksOn | output queues ⓘ |
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: Random Early Detection Description of subject: Random Early Detection is a congestion avoidance mechanism for packet-switched networks that probabilistically drops packets before a queue becomes full to signal and control incipient congestion.
Referenced by (18)
Full triples — surface form annotated when it differs from this entity's canonical label.
The Addition of Explicit Congestion Notification (ECN) to IP
→
definesInteractionWith
→
Random Early Detection
ⓘ
this entity surface form:
Random Early Detection (RED)
this entity surface form:
Random Early Detection gateways for congestion avoidance
this entity surface form:
BLUE queue management algorithm
this entity surface form:
Random Early Detection Gateways for Congestion Avoidance
this entity surface form:
Adaptive RED
this entity surface form:
Weighted RED
this entity surface form:
Adaptive RED
this entity surface form:
Random Early Detection Gateways for Congestion Avoidance
this entity surface form:
Random Early Detection for congestion avoidance
this entity surface form:
RED active queue management