International Consultative Committee for Telegraphy and Telephony.
Connection-Oriented Network Service.
Data Circuit-Terminating Equipment.
Defense Data Network.
Data Network Identification Code.
Destination Service Access Point.
Data Terminal Equipment. The user equipment (computer, terminal, etc.) connected to a network.
Ethernet, or IEEE 802.3, is a network based on an access method called CSMA/CD. Ethernet was originally developed by the Xerox Corporation in 1972. A specification was published in 1980 for other implementors to use.
A 48-bit station identifier. Each network node has a unique address. The high-order bytes are usually manufacturer-specific. Certain reserved addresses have special meaning.
A process that handles incoming calls.
Institute of Electrical and Electronic Engineers.
A 32-bit address used to identify nodes on the network that use the Internet Protocol.
International Organization for Standardization.
IP to X.25 Encapsulation.
A Local Area Network, where several hosts and devices are located near each other and connected physically by cables. Typically, these cables are Ethernet coaxial cables.
Link Access Procedure.
Link Access Procedure - Balanced.
Logical Channel Identifier.
Logical Link Control.
Logical Link Control - Class II.
Link Service Access Point.
Network Layer Interface.
Network Service Access Point.
Open Systems Interconnection.
Units of information that contain a header with addresses and handling information and a message. Longer messages can be split up into several different packets and sent separately.
Packet Assembler/Disassembler. A means of interfacing a character terminal to an X.25-based network.
Protocol Data Unit.
Permanent Virtual Circuit.
A “Request for Comment” discussion document, produced by interested parties, which may be adopted as a standard by the Internet Activities Board.
Recognized Private Operating Agency.
Subnetwork Point of Attachment.
Source Service Access Point.
A set of system calls, kernel resources, and utility routines that create, use, and dismantle a stream.
In this document, this term refers to a single physical DTE/DCE link or a single physical Ethernet link.
Type Of Address / Numbering Plan Identification. An address format that provides increased addressing capacity suitable for communication with ISDNs.
Wide Area Network. Computers with long distances between them connected by, for example, telephone lines.
The CCITT recommendations covering network access protocols for ISO layers 1, 2, and 3 made in 1980, 1984, and 1988.
The CCITT recommendations covering PAD operation made in 1980, 1984, and 1988.