Discard Protocol
E830377
The Discard Protocol is a simple network service that accepts and immediately throws away any data sent to it, primarily used for testing and measurement purposes.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Discard Protocol canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T9944656 — 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: Discard Protocol Context triple: [RFC 862, similarTo, Discard Protocol]
-
A.
PSC Protocol
The PSC Protocol is the founding legal instrument that establishes and governs the African Union’s Peace and Security Council, outlining its mandate, structure, and procedures for conflict prevention, management, and resolution in Africa.
-
B.
Protocol No. 7
Protocol No. 7 is an additional protocol to the European Convention on Human Rights that introduces further procedural safeguards and rights, including protections in criminal proceedings and rules on expulsion of foreign nationals.
-
C.
Protocol No. 11
Protocol No. 11 is a major reform protocol to the European Convention on Human Rights that restructured the enforcement system by creating a permanent European Court of Human Rights and streamlining individual access to it.
-
D.
NPN (Next Protocol Negotiation)
NPN (Next Protocol Negotiation) is a now-deprecated TLS extension that allowed a client and server to agree on which application-layer protocol (such as SPDY or HTTP/2) to use over a secure connection.
-
E.
Additional Protocol II
Additional Protocol II is a 1977 treaty supplementing the Geneva Conventions that strengthens humanitarian protections for victims of non-international armed conflicts, particularly civil wars.
- 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: Discard Protocol Target entity description: The Discard Protocol is a simple network service that accepts and immediately throws away any data sent to it, primarily used for testing and measurement purposes.
-
A.
PSC Protocol
The PSC Protocol is the founding legal instrument that establishes and governs the African Union’s Peace and Security Council, outlining its mandate, structure, and procedures for conflict prevention, management, and resolution in Africa.
-
B.
Protocol No. 7
Protocol No. 7 is an additional protocol to the European Convention on Human Rights that introduces further procedural safeguards and rights, including protections in criminal proceedings and rules on expulsion of foreign nationals.
-
C.
Protocol No. 11
Protocol No. 11 is a major reform protocol to the European Convention on Human Rights that restructured the enforcement system by creating a permanent European Court of Human Rights and streamlining individual access to it.
-
D.
NPN (Next Protocol Negotiation)
NPN (Next Protocol Negotiation) is a now-deprecated TLS extension that allowed a client and server to agree on which application-layer protocol (such as SPDY or HTTP/2) to use over a secure connection.
-
E.
Additional Protocol II
Additional Protocol II is a 1977 treaty supplementing the Geneva Conventions that strengthens humanitarian protections for victims of non-international armed conflicts, particularly civil wars.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
application layer protocol
ⓘ
network protocol ⓘ |
| belongsTo |
Internet protocol suite
ⓘ
linked to:
TCP/IP
|
| category |
diagnostic service
ⓘ
testing service ⓘ |
| connectionBehavior | server may close connection at any time ⓘ |
| dataHandling | does not return any data to the sender ⓘ |
| dataRetention | no data is stored ⓘ |
| definedBy | Jon Postel ⓘ |
| definedIn | RFC 863 ⓘ |
| errorReporting | no application-level error messages ⓘ |
| hasDefaultPort | 9 ⓘ |
| hasServiceCode |
discard(9/tcp)
ⓘ
discard(9/udp) ⓘ |
| interactionPattern | client sends data without expecting reply ⓘ |
| introducedYear | 1983 ⓘ |
| messageFormat | arbitrary binary or text data ⓘ |
| operatesAtLayer | application layer ⓘ |
| portAssignmentAuthority | IANA ⓘ |
| primaryFunction | accepts data and discards it ⓘ |
| purpose |
debugging network connections
ⓘ
measurement ⓘ testing ⓘ |
| reliabilityWithTCP | reliable delivery before discard ⓘ |
| reliabilityWithUDP | unreliable delivery before discard ⓘ |
| requiresClientInitiation | true ⓘ |
| responseBehavior | no response is sent ⓘ |
| securityConsideration |
can be abused for bandwidth consumption
ⓘ
provides no authentication ⓘ provides no encryption ⓘ |
| serverRole | passively receives and discards data ⓘ |
| serviceName | discard ⓘ |
| sessionOrientation |
connection-oriented over TCP
ⓘ
connectionless over UDP ⓘ |
| similarTo |
Chargen Protocol
ⓘ
linked to:
Echo Protocol
Echo Protocol ⓘ |
| standardizedBy |
IETF
ⓘ
linked to:
Internet Engineering Task Force
|
| status | historic ⓘ |
| tcpPort | 9 ⓘ |
| typicalImplementation | simple loop reading and discarding input ⓘ |
| udpPort | 9 ⓘ |
| usedFor |
network stack diagnostics
ⓘ
throughput testing ⓘ |
| usesTransportProtocol |
TCP
ⓘ
linked to:
Transmission Control Protocol
UDP ⓘ |
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: Discard Protocol Description of subject: The Discard Protocol is a simple network service that accepts and immediately throws away any data sent to it, primarily used for testing and measurement purposes.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.