- ... TCP
- TCP = Transmission Control Protocol
- ... IP
- IP = Internet Protocol
- ... ARPA
- ARPA = Advanced Research Projects Agency
- ... Layer
- engl. layer = Schicht
- ... SNA
- SNA = Systems Network Architecture
- ... XNS
- XNS = Xerox Network System
- ...OSI
- OSI = Open Systems Interconnection
- ... ISO
- ISO = International Standardisation Organisation
- ...Modem
- Modem = Modulator / Demodulator
- ...NIC
- NIC = Network Interface Card
- ... CRC
- CRC = cyclic redundancy check
- ... (MAC
- MAC = Medium Access Control
- ... PPP
- PPP = Point to Point Protocol
- ... SLIP
- SLIP = Serial Line Internet Protocol
- ... IEEE
- IEEE = Institute of Electrical and Electronic Engineers org., USA
- ... RFC1597
- RFC = Request for comment
- ... FQDN
- FQDN = Fully Qualified Domain Name
- ... DNS
- DNS = Domain Name System