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Appendix B: Glossary
Network Optimizer for Gaming and VoIP
EAP (Extensible Authentication Protocol)
- A general authentication protocol used to control network access.
Many specific authentication methods work within this framework.
Encryption
- Encoding data transmitted in a network.
Ethernet
- IEEE standard network protocol that specifies how data is placed on and retrieved from a common
transmission medium.
Firewall
- A set of related programs located at a network gateway server that protects the resources of a
network from users from other networks.
FTP (File Transfer Protocol)
- A protocol used to transfer files over a TCP/IP network.
Full Duplex
- The ability of a networking device to receive and transmit data simultaneously.
Gateway
- A device that interconnects networks with different, incompatible communications protocols.
Half Duplex
- Data transmission that can occur in two directions over a single line, but only one direction at
a time.
HTTP (HyperText Transport Protocol)
- The communications protocol used to connect to servers on the World
Wide Web.
IP (Internet Protocol)
- A protocol used to send data over a network.
IP Address
- The address used to identify a computer or device on a network.
IPCONFIG
- A Windows 2000 and XP utility that displays the IP address for a particular networking device.
IPSec (Internet Protocol Security)
- A VPN protocol used to implement secure exchange of packets at the
IP layer.
ISP (Internet Service Provider)
- A company that provides access to the Internet.
LAN
- The computers and networking products that make up your local network.
MAC (Media Access Control) Address
- The unique address that a manufacturer assigns to each networking
device.
Mbps (MegaBits Per Second)
- One million bits per second; a unit of measurement for data transmission.
NAT (Network Address Translation)
- NAT technology translates IP addresses of a local area network to a
different IP address for the Internet.
Network
- A series of computers or devices connected for the purpose of data sharing, storage, and/or
transmission between users.
Packet
- A unit of data sent over a network.
