The list of networking acronyms and abbreviations.

All networking related acronyms and abbreviations.

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47
ATM:
Asynchronous Transfer Mode(Data Transmission, Communications)
17
TCP:
Transmission Control Protocol(Transport Layer, Switching)
16
UDP:
User Datagram Protocol(Transport Layer, Communications protocol)
14
OSPF:
Open Shortest Path First(Network Layer Protocol, Routing)
12
BGP:
Border Gateway Protocol(Network Layer Protocol, Routing, Data Transmission)
10
ARP:
Address Resolution Protocol(data link layer protocol)
10
RIP:
Routing Information Protocol(Network Layer Protocol, Routing)
10
SDH:
Synchronous Digital Hierarchy(Networking, Network Protocol)
9
LLC:
Logical Link Control(Networking, Network Protocol, Data Transfer)
9
NFS:
Network File System(Networking, Network Protocol, Data Transfer)
8
NAT:
Network Address Translation(Application layer protocol, Computer network)
8
NTP:
Network Time Protocol(Communications protocol)
5
IKE:
Internet Key Exchange(Computing security, Network Security)
4
EGP:
Exterior Gateway Protocol(Network Layer Protocol, Routing, Protocol)
3
GRE:
Generic Routing Encapsulation(Computing security, Network Security)
3
POP:
Post Office Protocol(Communications protocol, Application layer protocol)
3
SAP:
Service Access Point(Networking, Network Protocol, Computer networking)
2
DNS:
Domain Name Server(Computers, Domain Name, Networking)
2
PDH:
Plesiochronous Digital Hierarchy(Networking, Network Protocol)
2
SAP:
Service Advertising Protocol(Protocol, Networking, Network Protocol)
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8 years ago|29k views|share |citing 
APASmart Define. (2018). networking. Retrieved September 22, 2026, from http://smartdefine.org/networking/abbreviations/r/network_protocol
ChicagoSmart Define. 2018. "networking" http://smartdefine.org/networking/abbreviations/r/network_protocol (accessed September 22, 2026).
HarvardSmart Define 2018, networking, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/networking/abbreviations/r/network_protocol>.
MLASmart Define. "networking" 11 January 2018. Web. 22 September 2026. <http://smartdefine.org/networking/abbreviations/r/network_protocol>