AirLive WT-2000R Guide de l'utilisateur télécharger pdf (Page 80)

Router

A system responsible for making decisions about which of several paths network

(or Internet) traffic will follow. To do this, it uses a routing protocol to gain

information about the network and algorithms to choose the best route based on

several criteria known as "routing metrics.

Subnet Mask

A subnet mask, which may be a part of the TCP/IP information provided by your

ISP, is a set of four numbers (e.g. 255.255.255.0) configured like an IP address.

It is used to create IP address numbers used only within a particular network (as

opposed to valid IP address numbers recognized by the Internet, which must be

assigned by InterNIC).

TCP/IP, UDP

Transmission Control Protocol/Internet Protocol (TCP/IP) and Unreliable

Datagram Protocol (UDP). TCP/IP is the standard protocol for data transmission

over the Internet. Both TCP and UDP are transport layer protocol. TCP performs

proper error detection and error recovery, and thus is reliable. UDP on the other

hand is not reliable. They both run on top of the IP (Internet Protocol), a network

layer protocol.

TELNET

It is the virtual terminal protocol in the Internet suite of protocols. Allows users of

one host to log into a remote host and act as normal terminal users of that host.

VCI

Virtual Circuit Identifier is part of the ATM cell header. A VCI is a tag indicating

the channel over which a cell will travel. The VCI of a cell can be changed as it

moves between switches via Signaling.

VPI

Virtual Path Identifier is part of the ATM cell header. A VPI is a pipe for a number

of Virtual Circuits.

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AirLive WT-2000R Guide de l'utilisateur Page 80