1. In telephony, the discipline concerned with (a) determining internetworking service requirements for switched networks, and (b) developing and implementing hardware and software to meet them.
2. In computer science, the discipline of hardware and software engineering to accomplish the design goals of a computer network.
3. In radio communications, the discipline concerned with developing network topologies.

See netiquette.

The connection between the radio port controller and the PCS (personal communications services) switching center. [T
1. Rpt34-1994]

A complete or partial failure of a component or components of a network because of malfunction or natural or human-caused disasters. Partial failures include degradation (and graceful degradation). [T
1. Rpt24-1993]

A combination of the network's unservability (U), duration (D), and extent (E) parameters that exceeds a threshold. [After T
1. Rpt24-1993]

See NFS.

The field in the U. S. signaling point code structure that identifies signaling networks. [T1.110-1987]

A failure (hardware, software, human, or process) of a telecommunications network component that prevents call completion.

Information within the service information octet of the message signal unit that permits discrimination between national and international messages. [T1.226-1992]

See NIC.