BRI

Basic Rate Interface

Bridge

A router that connects two or more networks and forwards

 

packets among them. Usually, bridges operate at the physical

 

network level. For example, an Ethernet bridge connects two

 

physical Ethernet cables and forwards from one cable to the

 

other exactly those packets that are not local. Bridges differ

 

from repeaters because bridges store and forward complete

 

packets while repeaters forward electrical signals. See

 

brouter.

Brouter

Bridge/Router. In local area networking, a device that

 

combines the dynamic routing capability of an internetwork

 

router with the ability of a bridge to interconnect dissimilar

 

LANs. It has the ability to route one or more protocols and

 

bridge all other traffic. The DEFINITY LAN Gateway

 

application links ISDN and TCP/IP at both a physical and

 

addressing level. See bridge and router.

Client

For the DEFINITY LAN Gateway, a computer that is a

 

consumer of ASAI service.

IP

Internet Protocol

LCD

Liquid Crystal Display

Link

See ASAI link.

MCC

Multi-Cabinet Carrier

Router

Any machine responsible for making decisions about which of

 

several paths network (or Internet) traffic will follow. At the

 

lowest level, a physical network bridge is a router because it

 

chooses whether to pass packets from one physical wire to

 

another. Within a long haul network, each individual packet

 

switch is a router because it chooses routes for individual

 

packets. In the Internet, each IP gateway is a router because

 

it uses IP destination addresses to choose routes. See

 

brouter.

SCC

Single Cabinet Carrier

Telnet

The TCP/IP protocol governing the exchange of character-

 

oriented terminal data. Also, the process by which a person

 

using one computer can sign on to a computer in another city,

 

state, or country. With Telnet, a user can work from a PC as

 

if it were a terminal attached to another machine by a hard-

 

wired line.

GL-2Issue 1 January 1996

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