Tiscali 2009 Annual Report Download - page 204

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203
G
GigaEthernet
Term uses to describe the various technologies
that implement the nominal speed of an Ethernet
network (the standard protocol for cards and ca-
bles for high speed connections between a com-
puter and a local network) of up to 1 gigabit per
second.
H
Home Network
Local network made up from various kinds of ter-
minals, devices, systems and user networks, with
related applications and services including all the
apparatus installed at user premises.
Hosting
Service that consists of allocating on a web server
the pages of a website, thus making it accessible
from the internet network.
I
Incumbent
Former monopoly operator active in the telecom-
munications field.
IP
Acronym for Internet Protocol, a protocol for in-
terconnecting networks (Inter-Networking Proto-
col0 born for interconnecting disparate networks
by technology, services and handling.
IPTV
Acronym for Internet Protocol Television, a tech-
nology suited for using the IP transport technolo-
gy to carry television content in digital form, using
internet connections.
IRU
Acronym for Indefeasible Right of Use, long term
agreements that guarantee the beneficiary the
option of using for a long period the grantors fi-
bre optic network.
ISDN
Acronym for Integrated Service Digital Network,
a telecommunications protocol in Narrowband
able to carry in an integrated from various kinds
of information (voice, data, texts, and images) co-
ded in digital form on the same transmission line.
Internet Service Provider o ISP
Company that provides Internet access to single
users or organisations.
L
Leased lines
Lines whose transmission capacity is made avai-
lable through leasing contracts for the transmis-
sion capacity.
M
MAN
Acronym for Metropolitan Area Network, a fibre
optic network that extends across a metropolitan
area and links a Core Network to an Access Net-
work.
Mbps
Acronym for megabit per second, a unit of mea-
surement that states the capacity (and thus the
speed) of data transmission along a computer
network.
Modem
Modulator/demodulator. It is a device that modu-
lates digital data in order to permit its transmis-
sion along analogue circuits, usually made form
telephone lines.
MNO
Acronym for Mobile Network Operator, an opera-
tor of proprietary telecommunications on a mobi-
le network o\that offers its own services wholesale
to all MVNOs (Mobile Virtual Network Operator).
MPF
Acronym for Metallic Path Facility, the pair of cop-
per wires (unscreened twisted pair) that comes
Appendix - Glossary