Terminology - SnapGear VPN Router User Manual

Terminology

Some commonly used terms that you will find in this document are as follows:
ADSL
BOOTP
DHCP
DNS
DUN
Ethernet
Extranet
Firewall
Gateway
Hub
Introduction
Asymmetric Digital Subscriber Line. A technology that allows for high-speed
data transfer over existing telephone lines. ADSL supports data rates between
1.5 and 9 Mb/s when receiving data and between 16 and 640 Kb/s when sending
data.
Bootstrap Protocol is a protocol that lets a network user automatically receive an
IP address and have an operating system boot without user involvement. BOOTP
is the basis for the more advanced DHCP.
Dynamic Host Configuration Protocol. A communications protocol that assigns
IP addresses to computers when they are connected to the network.
Domain Name System. This system allocates Internet domain names and
translates them into IP addresses. A domain name is a meaningful and easy to
remember name for an IP address.
Dial Up Networking.
A physical layer protocol based upon IEEE standards.
A private network that uses the public Internet to securely share part of a
business's information or operations with suppliers, vendors, partners, customers,
or other businesses. Extranets add external parties to a company's intranet.
A network gateway device that protects a private network from users on other
networks. Typically, a firewall is installed to allow users on an intranet access to
the public Internet without allowing all public Internet users access to the
intranet.
A machine that provides a route (or pathway) to the outside world.
A network device that allows more than one computer to be connected as a
LAN, usually using UTP cabling.
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