ZyXEL Communications 310 Network Router User Manual


 
Prestige 310 Broadband Sharing Gateway
Glossary
P
PVC Permanent Virtual Circuit. A PVC is a logical point-to-point circuit between customer
sites. PVCs are low-delay circuits because routing decisions do not need to be made
along the way. Permanent means that the circuit is preprogrammed by the carrier as a
path through the network. It does not need to be set up or torn down for each session.
RFC An RFC (Request for Comments) is an Internet formal document or standard that is the
result of committee drafting and subsequent review by interested parties. Some RFCs
are informational in nature. Of those that are intended to become Internet standards,
the final version of the RFC becomes the standard and no further comments or
changes are permitted. Change can occur, however, through subsequent RFCs.
RIP Routing Information Protocol is an interior or intra-domain routing protocol that uses
the distance-vector routing algorithms. RIP is used on the Internet and is common in
the NetWare environment as a method for exchanging routing information between
routers.
Router A device that connects two networks together. Routers monitor, direct, and filter
information that passes between these networks. Because of their location, routers are
a good place to install traffic or mail filters. Routers are also prone to attacks because
they contain a great deal of information about a network.
Server A computer, or a software package, that provides a specific kind of service to client
software running on other computers.
SNMP System Network Management Protocol is a popular management protocol defined by
the Internet community for TCP/IP networks. It is a communication protocol for
collecting information from devices on the network.
STP Twisted-pair cable consists of copper-core wires surrounded by an insulator. Two wires
are twisted together to form a pair, and the pair form a balanced circuit. The twisting
prevents interference problems. STP (shielded twisted-pair) provides protection
against external crosstalk.
Straight through
Ethernet cable
A cable that wires a pin to its equivalent pin. This cable connects two dissimilar
devices, for example, a data terminal equipment (DTE) device and a data
communications equipment (DCE) device. A straight through Ethernet cable is the
most common cable used.
SUA Single User Account – The Prestige's SUA (Single User Account) feature allows
multiple user Internet access for the cost of a single ISP account - see also NAT.
TCP Transmission Control Protocol handles flow control and packet recovery and IP
providing basic addressing and packet-forwarding services.
Telnet Telnet is the login and terminal emulation protocol common on the Internet and in
UNIX environments. It operates over TCP/IP networks. Its primary function is to allow
users to log into remote host systems.