NETGEAR DM602 - Manual (Page 63)

Reference Manual for the Model DM602 ADSL Modem
Glossary 3
Network Address
Translation A technique by which several hosts share a single IP address for access to the
Internet.
NID Network Interface Device. The point of demarcation, where the telephone line
comes into the house.
Packet A block of information sent over a network. A packet typically contains a
source and destination network address, some protocol and length
information, a block of data, and a checksum.
PPP See Point-to-Point Protocol.
PPPoA See PPP over ATM
PPPoE See PPP over Ethernet
PPP over ATM PPPoA. PPP over ATM is a protocol for connecting remote hosts to the
Internet over an always-on connection by simulating a dial-up connection.
PPP over Ethernet PPPoE. PPP over Ethernet is a protocol for connecting remote hosts to the
Internet over an always-on connection by simulating a dial-up connection.
PPTP Point-to-Point Tunneling Protocol. A method for establishing a virtual private
network (VPN) by embedding Microsoft’s network protocol into Internet
packets.
PSTN Public Switched Telephone Network.
Point-to-Point
Protocol PPP. A protocol allowing a computer using TCP/IP to connect directly to the
Internet.
RFC Request For Comment. Refers to documents published by the Internet
Engineering Task Force (IETF) proposing standard protocols and procedures
for the Internet. RFCs can be found at www.ietf.org.
RIP See Routing Information Protocol.
Router A device that forwards data between networks. An IP router forwards data
based on IP source and destination addresses.
Routing Information
Protocol A protocol in which routers periodically exchange information with one
another so that they can determine minimum distance paths between sources
and destinations.
Subnet Mask See netmask.
DM602.book Page 3 Friday, October 4, 2002 4:22 PM