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registration document France Telecom 2009 - Orange.com

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property, plant and equipment<br />

8<br />

NETWORKS AND SERVICE PLATFORMS<br />

The International IP Network<br />

<strong>France</strong> <strong>Tele<strong>com</strong></strong>’s international IP network Open Transit<br />

Internet (OTI) aims to provide global Internet connectivity to<br />

Group subsidiaries’ and operator customers’, Internet service<br />

providers’ (ISP) and content providers’ domestic IP networks.<br />

It is based on the latest IP switching and transmission<br />

technologies and makes it possible to use the latest version<br />

of IPv6 Internet protocol in every outlet in <strong>com</strong>bination with the<br />

previous IPv4 protocol (dual stack system).<br />

As of December 31, <strong>2009</strong>, the OTI connected 25 cities, 13 in<br />

Europe, 2 in Asia, and 10 in North America, through 155 Mbps<br />

to 10 Gbps broadband connections, with several hundred<br />

Gbps of traffi c at peak times.<br />

Z OTI NETWORK<br />

Bratislava<br />

London<br />

Amsterdam<br />

Bruxelles<br />

Warsaw<br />

Paris<br />

Frankfurt<br />

Chicago<br />

Oak Hill<br />

Zurich<br />

Genève<br />

Palo Alto<br />

New York<br />

Ashhum<br />

Lisbonne<br />

Madrid<br />

Barcelona<br />

Los Angeles<br />

Dallas<br />

Atlanta<br />

Miami<br />

Singapour<br />

8<br />

8.1.7 Network Control layer<br />

Switched Telephone Networks<br />

In countries where it is the incumbent fi xed operator, <strong>France</strong><br />

<strong>Tele<strong>com</strong></strong> has switched telephone networks that provide<br />

traditional voice transmission services, ISDN and value-added<br />

services. These networks also provide access to Intelligent<br />

Network services (toll-free numbers, Audiotel), and narrowband<br />

Internet access.<br />

Due to customers’ migration to new voice services available<br />

through ADSL or FTTH broadband access, these networks<br />

have seen a reduction in load and have optimized service to<br />

reduce costs.<br />

Mobile Network<br />

<strong>France</strong> <strong>Tele<strong>com</strong></strong> has rolled out mobile control networks in<br />

countries where it provides mobile services, to control voice<br />

services, data services and SMS/MMS services. These<br />

mobile control networks are moving towards IP protocols and<br />

architectures.<br />

These control networks are primarily made up of the following<br />

(see Mobile network architecture diagram in Section 8.1.3):<br />

■ MSCs (Mobile Switching Centers);<br />

■ HLRs (Home Location Registers);<br />

■ SGSNs (Serving GPRS Support Nodes) and GGSNs<br />

(Gateway GPRS Support Nodes);<br />

■ IN (Intelligent Network) equipment, for prepaid subscription<br />

management, for example.<br />

<strong>2009</strong> REGISTRATION DOCUMENT / FRANCE TELECOM<br />

189

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