Table A.1. Acronyms and Abbreviations and what
they mean.
| Acronym | Explanation |
| ACB |
Access Control Block |
| ACK |
Acknowledgment |
| AF |
Address Family |
| ANSI |
American National Standard Institute |
| API |
Application Programming Interface |
| ARP |
Address Resolution Protocol |
| ARPA |
Advanced Research Projects Agency |
| AS |
Autonomous System |
| ASA |
American Standards Association |
| ASCII |
American National Standard Code for
Information Interchange |
| ASN.1 |
Abstract Syntax Notation One |
| BBN |
Bolt, Beranek, and Newman, Incorporated |
| BER |
Basic Encoding Rules |
| BGP |
Border Gateway Protocol |
| BSD |
Berkeley Software Distribution |
| CMIP |
Common Management Information Protocol |
| CMIS |
Common Management Information Services |
| CMOT |
Common Management Information Services and
Protocol over TCP/IP |
| CRC |
Cyclic Redundancy Check |
| CSMA/CD |
Carrier Sense Multiple Access with Collision
Detection |
| DARPA |
Defense Advanced Research Projects Agency |
| DCA |
Defense Communications Agency |
| DCE |
Distributed Computing Environment |
| DCE |
Data Circuit-Terminating Equipment (also
called Data Communications Equipment) |
| DDN |
Defense Data Network |
| DES |
Data Encryption Standard |
| DFS |
Distributed File Service |
| DISA |
Defense Information Systems Agency |
| DIX |
Digital, Intel, and Xerox Ethernet Protocol |
| DME |
Distributed Management Environment |
| DNS |
Domain Name System |
| DSA |
Directory System Agent |
| DSAP |
Destination Service Access Point |
| DTE |
Data Terminal Equipment |
| DUA |
Directory User Agent |
| EBCDIC |
Extended Binary Coded Decimal Interchange Code
|
| EGP |
Exterior Gateway Protocol |
| EOF |
End of File |
| EOR |
End of Record |
| FCS |
Frame Check Sequence |
| FDDI |
Fiber Distributed Data Interface |
| FIN |
Final Segment |
| FTAM |
File Transfer, Access, and Management |
| FTP |
File Transfer Protocol |
| GGP |
Gateway to Gateway Protocol |
| GOSIP |
Government Open Systems Interconnection
Profile |
| GTF |
Generalized Trace Facility |
| HDLC |
High-Level Data Link Control Protocol |
| IAB |
Internet Architecture Board |
| IAB |
Internet Activities Board |
| IAC |
Interpret as Command |
| IANA |
Internet Assigned Numbers Authority |
| ICMP |
Internet Control Message Protocol |
| ID |
Identifier |
| IEEE |
Institute of Electrical and Electronic
Engineers |
| IEN |
Internet Engineering Notes |
| IESG |
Internet Engineering Steering Group |
| IETF |
Internet Engineering Task Force |
| IGMP |
Internet Group Management Protocol |
| IGP |
Interior Gateway Protocol |
| IP |
Internet Protocol |
| IRTF |
Internet Research Task Force |
| ISDN |
Integrated Services Digital Network |
| ISN |
Initial Sequence Number |
| ISO |
International Organization for Standardization
|
| ISODE |
ISO Development Environment |
| LAN |
Local Area Network |
| LAPB |
Link Access Procedures Balanced |
| LAPD |
Link Access Procedures on the D-Channel |
| LLC |
Logical Link Control |
| MAC |
Media Access Control |
| MAN |
Metropolitan Area Network |
| MIB |
Management Information Base |
| MSS |
Maximum Segment Size |
| MTA |
Message Transfer Agent |
| MTU |
Message Transfer Unit |
| MTU |
Maximum Transmission Unit |
| MX |
Mail Exchanger |
| NETBIOS |
Network Basic Input/Output System |
| NFS |
Network File System |
| NIC |
Network Interface Card |
| NIS |
Network Information System |
| NREN |
National Research and Education Network |
| NSAP |
Network Service Access Point |
| NSFNET |
National Science Foundation Network |
| NVT |
Network Virtual Terminal |
| OSF |
Open Software Foundation |
| OSI |
Open Systems Interconnect |
| OSPF |
Open Shortest Path First |
| PAD |
Packet Assembly/Disassembly |
| PDU |
Protocol Data Unit |
| PI |
Protocol Interpreter |
| PING |
Packet Internet Groper |
| POP |
Post Office Protocol |
| PPP |
Point-to-Point Protocol |
| RARP |
Reverse Address Resolution Protocol |
| RFC |
Request For Comment |
| RIP |
Routing Information Protocol |
| RMON |
Remote Network Monitor |
| RPC |
Remote Procedure Call |
| RST |
Reset |
| RTT |
Round Trip Time |
| SDLC |
Synchronous Data Link Communication |
| SLIP |
Serial Line Interface Protocol |
| SMDS |
Switched Multimegabit Data Service |
| SMTP |
Simple Mail Transfer Protocol |
| SNA |
Systems Network Architecture |
| SNMP |
Simple Network Management Protocol |
| SONET |
Synchronous Optical Network |
| SPF |
Shortest Path First |
| SSAP |
Source Service Access Point |
| SSCP |
System Services Control Point |
| SYN |
Synchronizing Segment |
| TCB |
Transmission Control Block |
| TCP |
Transmission Control Protocol |
| TCU |
Trunk Coupling Unit |
| TELNET |
Terminal Networking |
| TFTP |
Trivial File Transfer Protocol |
| TLI |
Transport Layer Interface |
| TP4 |
OSI Transport Class 4 |
| TSAP |
Transport Service Access Point |
| TTL |
Time-to-Live |
| UA |
User Agent |
| UDP |
User Datagram Protocol |
| ULP |
Upper Layer Protocol |
| WAN |
Wide Area Network |
| XDR |
External Data Representation |
| XNS |
Xerox Network Systems |
