UDP

E1266

UDP (User Datagram Protocol) is a lightweight, connectionless transport-layer protocol used on the Internet for fast, low-overhead data transmission without guaranteed delivery or ordering.

All labels observed (8)

Label Occurrences
UDP canonical 75
User Datagram Protocol 12
RFC 768 1

How this entity was disambiguated

Statements (53)

Predicate Object
instanceOf Internet protocol
communication protocol
transport layer protocol
abbreviationOf UDP self-linksurface differs
surface form: User Datagram Protocol
belongsTo TCP/IP
surface form: Internet protocol suite
checksumSupport mandatory checksum in IPv6
optional checksum in IPv4
comparedTo Transmission Control Protocol
surface form: TCP
congestionControl no congestion control
connectionEstablishment no handshake
connectionModel connectionless
definedIn UDP self-linksurface differs
surface form: RFC 768
deliveryGuarantee unreliable
designGoal fast transmission
low overhead
simple multiplexing
dynamicPortRange 49152-65535
errorRecovery no retransmission
field checksum
destination port
length
source port
firstStandardized 1980
flowControl no flow control
fullName UDP self-linksurface differs
surface form: User Datagram Protocol
headerSize 8 bytes
layer transport layer
orderingGuarantee no ordering guarantee
OSIEquivalentLayer Layer 4
overheadComparedToTCP lower overhead
portRange 0-65535
protocolNumber 17
registeredPortRange 1024-49151
reliabilityComparedToTCP less reliable
runsOn IPv4
IPv6
standardizedBy Internet Engineering Task Force
surface form: IETF
supports broadcast
multicast
unicast
usedBy DHCP
Domain Name System
surface form: DNS

QUIC
RTP
SNMP
TFTP
VoIP
usedFor online gaming
real-time applications
simple query-response protocols
streaming media
uses IP
wellKnownPortRange 0-1023

How these facts were elicited

Referenced by (93)

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

DTLS-SRTP runsOver UDP
NetFlow exportProtocol UDP
Jonathan B. Postel notableWork UDP
this entity surface form: User Datagram Protocol (UDP)
STD 3 transportFor UDP
SNMPv2u operatesOver UDP
Nmap supportsProtocol UDP
DirectPlay uses UDP
Bonjour usesProtocol UDP
RFC 951 runsOver UDP
SNMPv1 usesProtocol UDP
Distributed Network Protocol operatesOver UDP
this entity surface form: UDP/IP
AES67 usesProtocol UDP
RRQ transportProtocol UDP
David L. Mills runsOn UDP
subject surface form: Network Time Protocol
this entity surface form: User Datagram Protocol
ST 2022 usesProtocol UDP
RFC 862 transportLayer UDP
DoQ operatesOver UDP
WireGuard VPN protocol transportProtocol UDP
subject surface form: WireGuard
RoCE transportProtocol UDP
this entity surface form: UDP (for RoCE v2)
RFC 1071 appliesToProtocol UDP
this entity surface form: User Datagram Protocol