Avaya P460, Справочное руководство

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Glossary
208 Avaya P460 Reference Guide
Query
The process of extracting information from a database and presenting it for use.
RADIUS
Remote Authentication Dial-In User Service (RFC 2138). A protocol for carrying
authentication, authorization, and configuration information between a Network
Access Server and a shared Authentication Server.
Redundancy
A duplication of devices, services, or connections so that in the event of a failure, the
redundant device, service, or connection can take over for the one that failed.
Repeater
A device that automatically amplifies, restores, or reshapes signals distorted by
transmission loss.
RIP
Routing Information Protocol. Specifies how routers exchange routing table
information. RIP is gradually being replaced by a newer protocol called OSPF
(Open Shortest Path First).
RMON
Remote Monitoring. A network management standard that allows network
information to be gathered at a single workstation. In contrast to the Standard MIB
which gathers network data from a single type of Management Information Base
(MIB), RMON defines nine additional MIBs that provide a much richer set of data
about network usage. For RMON to work, network devices, such as hubs and
switches, must be designed to support it.
For more information refer to .
Router
A software and hardware connection between two or more networks, usually of
similar design, that permits traffic to be routed from one network to another on the
basis of the intended destinations of that traffic. A router located in a server is called
an internal router; a router located in a workstation is called an external router.
Routing Table
A table stored in a router or other internetworking device that keeps track of routes
to particular network destinations and, in some cases, metrics associated with those
routes.
SAP
Service Advertising Protocol. A protocol used to identify the services and addresses