Up one level to 31W6
(Communications and Networking)
The following abbreviations appear in some of the lecture notes discussing communications architecture. They are in two groups: A-L and M-Z.
| Abbrev | Expansion |
|---|---|
| AAL | ATM Adaptation Layer |
| AAL N | ATM Adaptation Layer Protocol N |
| ABR | Available Bit Rate |
| ACSE | Association Control Service Element |
| ADSL | Asymmetric Digital Subscriber Loop |
| AFNOR | French Standards Association |
| AIN | Advanced Intelligent Network |
| AM | Amplitude Modulation |
| ANSI | American National Standards Institute |
| ARP | Address Resolution Protocol |
| ASCII | American Standard Code for Information Interchange |
| ASN.1 | Abstract Syntax Notation 1 |
| ASP | Active Server Page |
| ATM | Asynchronous Transfer Mode |
| BAS | Basic Activity Subset |
| BCS | Basic Combined Subset |
| BER | Basic Encoding Rules |
| Biphase-L | Biphase - Level |
| B-ISDN | Broadband Integrated Services Digital Network |
| BNA | Burroughs Network Architecture |
| BSI | British Standards Institute |
| BSS | Basic Synchronised Subset |
| BSVC | Bothway Switched Virtual Circuit |
| BT | British Telecom |
| C | Control |
| CBR | Constant Bit Rate |
| CC | Connection Confirm |
| CCR | Commitment, Concurrency and Recovery |
| CD | Carrier Detect |
| CDS (DTE) | Connect Data Set (DTE) Manual |
| CDS (Tph) | Connect Data Set (Telephone) |
| CDS | Connect Data Set |
| CEPT | Council of European PTTs |
| CGI | Common Gateway Interface |
| CHAP | Cryptographic Handshake Authentication Protocol |
| CL | Connection-Less |
| CLI | Calling Indicator |
| CMDR | Command Reject |
| CO | Connection-Oriented |
| compand | compress/expand |
| CORBA | Common Object Request Broker Architecture |
| CPE | Customer Premises Equipment |
| CRC | Cyclic Redundancy Check |
| CR | Connection Request |
| CS | Convergence Service Sub-Layer |
| CSDN | Circuit-Switched Data Network |
| CSMA/CD | Carrier Sense Multiple Access with Collision Detection |
| CTS | Clear To Send |
| CUG | Closed User Group |
| D | Delivery |
| DCD | Data Carrier Detect |
| DC | Disconnect Confirm |
| DCE | Data Circuit-terminating Equipment |
| DCE | Distributed Computing Environment |
| DCOM | Distributed Component Object Model |
| DECNet | DEC Network Architecture |
| Demux | Demultiplexer |
| DIN | German Standards Institute |
| DISC | Disconnect |
| DLE | Data Link Escape |
| DM | Disconnected Mode |
| DNA | Digital Network Architecture |
| DNA | Distributed Network Architecture |
| DNS | Domain Name Server |
| DQDB | Distributed Queue Dual Bus |
| DR | Disconnect Request |
| DR | Disconnection Request |
| DSR | Data Set Ready |
| DSRS | Data Signalling Rate Selector |
| DT | Data |
| DTE | Data Terminal Equipment |
| DTR | Data Terminal Ready |
| EA | Expedited Acknowledgement |
| EBCDIC | Extended Binary Coded Decimal Information Code |
| ECMA | European Computer Manufacturers Association |
| ED | Expedited Data |
| EGP | Exterior Gateway Protocol |
| EIA | Electronic Industry Association |
| EOT | End Of Transmission |
| ETX | End of Text |
| ER | Error |
| FDDI | Fiber (sic) Digital Data Interchange |
| FEC | Forward Error Correction |
| FEP | Front-End Processor |
| FM | Frequency Modulation |
| FRMR | Frame Reject |
| FSK | Frequency Shift Keying |
| FTAM | File Transfer, Access and Management |
| FTP | File Transfer Protocol |
| G | Ground |
| GIF | Graphics Interchange Format |
| GND | Signal Ground |
| HDLC | High-level Data Link Control |
| HTML | HyperText Markup Language |
| HTTP | HyperText Transfer Protocol |
| I | Indication |
| I | Information |
| IA5 | International Alphabet Number 5 |
| ICMP | Internet Control Message Protocol |
| IEC | International Electrotechnical Commission |
| IEEE | Institute of Electrical and Electronic Engineers |
| IETF | Internet Engineering Task Force |
| IGP | Interior Gateway Protocol |
| IMP | Interface Message Processor |
| IN | Intelligent Network |
| IP | Internet Protocol |
| ISDN | Integrated Services Digital Network |
| ISH | Information Super Highway |
| ISO | International Organisation for Standardisation |
| ISP | Internet Service Provider |
| ISVC | Incoming Switched Virtual Circuit |
| IT | Information Technology |
| ITU | International Telecommunications Union |
| JANET | Joint Academic Network |
| JISC | Joint Information Services Committee |
| LAN | Local Area Network |
| LAP | Link Access Protocol |
| LAPB | Link Access Protocol Balanced |
| LAPD | Link Access Protocol for D-Channel |
| LAPM | Link Access Protocol for Modems |
| LAPX | Link Access Protocol Switched |
| Layer 1 | Physical Layer |
| Layer 2a | Medium Access Sub-Layer |
| Layer 2b | Logical Link Control Sub-Layer |
| Layer 2 | Data Link Layer |
| Layer 3a | Network Access Sub-Layer |
| Layer 3b1 | Network-Dependent Convergence Sub-Layer |
| Layer 3b2 | Network-Independent Convergence Sub-Layer |
| Layer 3b | Network Convergence Sub-Layer |
| Layer 3c | Sub-Layer |
| Layer 3 | Network Layer |
| Layer 4 | Transport Layer |
| Layer 5 | Session Layer |
| Layer 6 | Presentation Layer |
| Layer 7 | Application Layer |
| LCGN | Logical Channel Group Number |
| LCN | Logical Channel Number |
| LCP | Link Control Procotol |
| LLC | Logical Link Control |
| LRC | Longitudinal Redundancy Check |
| Abbrev | Expansion |
|---|---|
| M | More |
| MAC | Medium Access (Control) |
| MAN | Metropolitan Area Network |
| M-Bone | Multicast Backbone |
| MIB | Management Information Base |
| MLP | Multi-Link Procedure |
| MM | multimedia |
| Modem | Modulator/Demodulator |
| MSDN | Message-Switched Data Network |
| MTA | Message Transfer Agent |
| Mux | Multiplexer |
| NAU | Network Addressable Unit |
| NBS | National Bureau of Standards |
| NCP | Network Control Procotol |
| NIC | Network Information Centre |
| NIST | National Institute of Science and Technology |
| NRT-VBR | Non Real-Time Variable Bit Rate |
| NRZ-L | Non-Return to Zero - Level |
| NSAP | Network Service Access Point |
| NTE | Network Terminating Equipment |
| ODP | Open Distributed Processing |
| OSI | Open Systems Interconnection |
| OSVC | Outgoing Switched Virtual Circuit |
| PAD | Packet Assembler/Disassembler |
| PAD | Padding Character |
| PAP | Password Authentication Protocol |
| PCM | Pulse Code Modulation |
| PDN | Public Data Network |
| PDU | Protocol Data Unit |
| PM | Phase Modulation |
| PMD | Physical Medium Dependent Sub-Layer |
| PPP | Point-to-Point Protocol |
| PSDN | Packet-Switched Data Network |
| PSE | Packet Switching Exchange |
| PSS | Packet Switch-Stream |
| PSTN | Public Switched Telephone Network |
| PTT | Post Telegraph and Telephone administration |
| PVC | Permanent Virtual Circuit |
| Q | Qualified |
| QoS | Quality of Service |
| R | Receive |
| RA | Real Audio |
| RARP | Reverse Address Resolution Protocol |
| RBD | Receiver Backward Channel Data |
| REJ | Reject |
| RFC | Request For Comments |
| RIP | Routing Information Protocol |
| RJE | Remote Job Entry |
| RLSD | Received Line Signal % Detector |
| RLS | Received Line Signal |
| RNR | Receive Not Ready |
| ROSE | Remote Operations Service Element |
| RPC | Remote Procedure Call |
| RQS | Request To Send |
| RR | Receive Ready |
| RSET | Receiver Signal Element Timing |
| RSET | Reset |
| RSVP | Resource Reservation Protocol |
| RTS | Request To Send |
| RT-VBR | Real-Time Variable Bit Rate |
| RX | Receiver |
| RXD | Received Data |
| RZ | Return-to-Zero |
| S | Supervisory |
| SABM | Set Asynchronous Balanced Mode |
| SAP | Service Access Point |
| SAR | Segmentation And Reassembly Sub-Layer |
| SARM | Set Asynchronous Response Mode |
| SDH | Synchronous Digital Hierarchy |
| SDU | Service Data Unit |
| SIG | Signal Ground |
| SIM | Set Initialisation Mode |
| SLIP | Serial Line Internet Protocol |
| SMI | Structure of Management Information |
| SNA | Systems Network Architecture |
| SNMP | Simple Network Management Protocol |
| SNRM | Set Normal Response Mode |
| SONET | Synchronous Optical Network |
| SREJ | Selective Reject |
| SSB | Select Standby |
| SSCOP | Service-Specific Connection-Oriented Protocol |
| Stat Mux | Statistical Multiplexer |
| STI | Standby Indicator |
| STX | Start of Text |
| Super JANET | (High-Speed) Joint Academic Network |
| SVC | Switched Virtual Circuit |
| SYN | Synchronisation Character |
| T | Transmit |
| TAPI | Telephony Application Programming Interface |
| TBD | Transmitter Backward Channel Data |
| TC | Transmission Convergence Sub-Layer |
| TCP | Transmission Control Protocol |
| Telnet | Telecommunications Network Access |
| TFTP | Trivial File Transfer Protocol |
| TLI | Transport Level Interface |
| TLV | Type-Length-Value |
| TPDU | Transport Protocol Data Unit |
| TSET | Transmitter Signal Element Timing |
| TTL | Time-To-Live |
| TX | Transmitter |
| TXD | Transmitted Data |
| U | Unnumbered |
| UA | Unnumbered Acknowledgement |
| UA | User Agent |
| UBR | Unspecified Bit Rate |
| UDP | User Datagram Protocol |
| UI | Unnumbered Information |
| URI | Uniform Resource Identifier |
| URL | Uniform Resource Locator |
| VAN | Value Added Network |
| VC | Virtual Circuit |
| VDI | Voice-Data-Image |
| VDU | Visual Display Unit |
| VoD | Video-on-Demand |
| VoIP | Voice over Internet Protocol |
| VPN | Virtual Private Network |
| VT | Virtual Terminal |
| WAN | Wide Area Network |
| WWW | World Wide Web |
| XDR | External Data Representation |
| XML | Extended Markup Language |
Up one level to 31W6
(Communications and Networking)