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Annual Report 2012 - Ono

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What does ONO do?<br />

ONO’s network<br />

Transmission Network<br />

The Transmission Network is responsible<br />

for connecting ONO’s multiple nodes and<br />

service centres across Spain. The network<br />

is composed of a very large amount of<br />

transmission equipment that is connected<br />

with each other by various technologies<br />

(mainly fibre, complemented by radio).<br />

The equipment of the Transmission<br />

Network uses various standards (SDH,<br />

WDM, Ethernet) which are designed to<br />

transmit large volumes of information for<br />

long distances (hundreds or thousands of<br />

Km). The Transmission Network transports<br />

traffic of any kind – data, voice, or<br />

audiovisual services – in a transparent way<br />

to comply with the quality requirements<br />

for each kind of traffic (error rate, margins<br />

for round trip delay times and jitter, % of<br />

service availability, etc.). The architecture<br />

of the Transmission Network is generally<br />

adapted to the geography of the service<br />

nodes whose traffic it carries. The nodes<br />

tend to be organised into various basic<br />

sub-networks that use different forms<br />

(ring, point to point, bus, point to multipoint,<br />

mesh). Ring or mesh networks are<br />

able to create redundancy using specific<br />

mechanisms, so that multiple paths are<br />

available to transport the traffic in the<br />

event of failures.<br />

The Transmission Network is also<br />

segmented by geographic level. Depending<br />

on the location of the nodes and<br />

connections, the network is categorised<br />

into Backbone, Regional and Metropolitan.<br />

- The Trunk Network is formed of high<br />

capacity long distance links that connect<br />

the main nodes, mainly located in large<br />

cities. These links connect the main<br />

nodes and aggregate traffic from their<br />

geographies to exchange this traffic with<br />

other regions and/or metropolitan areas,<br />

at transmissions rates of up to Tb/s. The<br />

Backbone Network of ONO can provide<br />

connections of up to 10 Gbps and new<br />

capacities of 40 Gbps and 100 Gbps are<br />

planned for the coming years, as well as<br />

the possibility of restoration at the optical<br />

level from 2013.<br />

The following is a map of the Trunk and<br />

Regional connections of the <strong>Ono</strong> network<br />

across Spain<br />

ONO in <strong>2012</strong><br />

Who is ONO?<br />

What does ONO do?<br />

Products and services<br />

ONO’s network<br />

Investment<br />

Innovation<br />

ONO’s<br />

Responsibility<br />

Financial analysis<br />

Corporate<br />

Governance <strong>Report</strong><br />

The Figures<br />

Annexes<br />

Contact<br />

Information<br />

Print<br />

<strong>Report</strong><br />

The Figures<br />

43

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