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Appendix B: Glossary
Network Optimizer for Gaming and VoIP
Ping (Packet INternet Groper)
- An Internet utility used to determine whether a particular IP address is online.
POP3 (Post Office Protocol 3)
- A standard mail server commonly used on the Internet.
Port
- The connection point on a computer or networking device used for plugging in cables or adapters.
Power over Ethernet (PoE)
- A technology enabling an Ethernet network cable to deliver both data and power.
PPPoE (Point to Point Protocol over Ethernet)
- A type of broadband connection that provides authentication
(username and password) in addition to data transport.
PPTP (Point-to-Point Tunneling Protocol)
- A VPN protocol that allows the Point to Point Protocol (PPP) to be
tunneled through an IP network. This protocol is also used as a type of broadband connection in Europe.
RADIUS (Remote Authentication Dial-In User Service)
- A protocol that uses an authentication server to
control network access.
RJ-45 (Registered Jack-45)
- An Ethernet connector that holds up to eight wires.
Router
- A networking device that connects multiple networks together.
Server
- Any computer whose function in a network is to provide user access to files, printing, communications,
and other services.
SMTP (Simple Mail Transfer Protocol)
- The standard e-mail protocol on the Internet.
SNMP (Simple Network Management Protocol)
- A widely used network monitoring and control protocol.
SPI (Stateful Packet Inspection) Firewall
- A technology that inspects incoming packets of information before
allowing them to enter the network.
Static IP Address
- A fixed address assigned to a computer or device that is connected to a network.
Static Routing
- Forwarding data in a network via a fixed path.
Subnet Mask
- An address code that determines the size of the network.
Switch
- 1. A data switch that connects computing devices to host computers, allowing a large number of
devices to share a limited number of ports. 2. A device for making, breaking, or changing the connections in an
electrical circuit.
TCP (Transmission Control Protocol)
- A network protocol for transmitting data that requires
acknowledgement from the recipient of data sent.
TCP/IP (Transmission Control Protocol/Internet Protocol)
- A set of instructions PCs use to communicate
over a network.
Telnet
- A user command and TCP/IP protocol used for accessing remote PCs.
