Appendix B: Glossary
synchronous transmission
A transmission technique in which an uninterrupted block of data is transmitted, using no redundant information such as stop and start bits to identify the beginning and end of a unit of data.
TCP/IP (transmission control protocol/Internet protocol)
Internetworking protocols sometimes referred to as the Internet suite of protocols.
topology
The arrangement of devices and cable paths that make up a network.
translating bridge
A bridge that can pass data between LANs that use different protocols.
translation
Modification of data packets from one type of network so they can be used on a different type of network (e.g., Ethernet to FDDI translation).
trap
Alarm; notification of an event that has occurred on a network. Some alarms require intervention or action by the network administrator; some are merely informational.
UDP (user datagram protocol)
A TCP/IP protocol for the connectionless transport layer.
upstream
Refers to the relative position of a station in a network to another station in the same network. A station is upstream from its neighbor if it receives data before its neighbor receives the data.
WAN (wide area network)
A communication network that spans a large geographic area.
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