Nokia M1112 User Manual page 40

HomePNA, HPNA Technology for the home network based on Ethernet and using existing phone
lines. Voice and data travel on the same wires without interfering with each other.
IP address Numerical identification individualising a device connected to the Internet or a
network. For example 192.168.1.2.
Local area network, Data transmission network covering a small area, for example a flat or a house.
LAN Usually based on Ethernet technology.
MAC address Unique fixed address of a piece of hardware, normally set at the time of
manufacture and used in LAN protocols.
Multicast Transmitting data to a select group of recipients at the same time, for example
sending an e-mail message to a mailing list. Rf. broadcast.
Network address Method by which IP addresses and translating transport identifiers (for example
port translation, TCP and UDP port numbers, ICMP query identifiers) are mapped from one
NAPT address realm to another, providing transparent routing to end hosts.
Packet Internet Program used to test whether a particular network destination is accessible, by
Groper, ping sending an ICMP (Internet control message protocol) echo request and waiting
for a response. Ping is used primarily to troubleshoot Internet connections.
Ping See Packet Internet Groper.
Proxy server Server which retrieves information from the Internet and stores the information
that users frequently use to speed up the retrieval. For example, in using the web
the proxy server speeds up the downloading of those web pages located behind
slow or congested network connections.
Request for Document series which describes the Internet suite of protocols and related
comments, RFC experiments.
Router Device or software which transmits data from a source network to a destination
network in accordance with an address.
Single pair high bit High-speed transmission technology using existing copper telephone lines.
rate digital
subscriber line,
SHDSL
Stateful inspection Firewall which provides access control at the network layer by inspecting the
firewall, SIF contents of incoming packets and accepting or rejecting them depending upon
their content.
Subnet mask Numerical indentification used to determine what subnetwork an IP address
belongs to, for example 255.255.255.0.
Tunnelling Technique to improve the rate, reliability, and security of transmission in a
network by creating for transmission a permanent connection, called tunnel,
which is often secured by encryption.
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