Glosssary
router
An interface which finds the best route between two networks. Routers for- ward packets from one network to another, based on network layer informa- tion.
routing metric
The method by which a routing algorithm determines one route is better than another. This information is stored in routing tables. Such tables include reli- ability, delay bandwidth, load, MTUs, communication costs, and hop count.
RS-232-C
An
RTMP
Routing Table Maintenance Protocol. The AppleTalk protocol used to estab- lish and maintain the routing information that is required by internet routers in order to route datagrams from any source socket to any destination socket in the internet. Using RTMP, internet routers dynamically maintain routing tables to reflect changes in internet topology.
service advertising protocol (SAP)
An IPX protocol through which network resources such as servers become known to clients.
serving area
Region surrounding a broadcasting station where signal strength is at or above a stated minimum. The geographic area handled by a telephone central office facility. Generally equivalent to a LATA.
SNMP
Simple Network Management Protocol. SNMP provides a means to monitor and set network configuration and runtime parameters.
spanning tree
A
SPCS
Stored Program Controlled Switch. A digital switch that supports call control, routing, and supplementary services provision under software control. All ISDN switches are SPCSs.
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