Submarine cables

Networks and IT  /  Article

Djoliba, the unified network boosting connectivity in West Africa

While the connectivity rate for people in Africa has grown dramatically in recent years, it faces a growing need and must address the challenges of landlocked areas as well. Of the continent’s connectivity projects, which are expanding network accessibility, one is characterised by an innovative approach to its design and operation. A unified and secure […]

Networks and IT  /  Article

Underwater Wi-Fi to come soon?

After Wi-Fi on Earth, Wi-Fi under the sea? Having already invaded our everyday earthling lives, wireless technologies could now reach right down to the depths of the oceans. Underwater Wi-Fi would enable divers to communicate without having to use hand signs or a write on a board and send data to the surface. A team […]

Networks and IT  /  Article

Technological innovation at the heart of future submarine cable 2Africa

With a length of 37,000 km, which will make it one of the longest in the world, future submarine cable 2Africa will link up Western Europe with the Middle East and 16 African countries as of 2023 or 2024, the date announced for it to go live. With a nominal capacity of up to 180 Tbit/s on […]

Networks and IT  /  Article

Telecoms networks well-equipped to deal with traffic peaks.

Networks today are based on IP (Internet Protocol), with all usages (voice, internet data, TV, video) and data being carried in the form of IP packets on fibre optics and managed by routers. Network congestion occurs when the number of data packets to be transported from a source to a destination exceeds its capacity. In […]

Networks and IT  /  Word of innovation


The DWDM technique makes it possible to carry more data over longer distances on the same fibre optic cable.

Networks and IT  /  Article

Broadband at sea will (soon) be possible thanks to 5G

As part of 3GPP, Orange has formed partnerships with many players to build a seamless 5G connectivity experience from land to sea.

Networks and IT  /  Article

Submarine cables: the global highways of information

The submarine cables that today carry 99 % of intercontinental internet traffic have progressed substantially since the 19th century, and their uses don’t stop evolving.

Networks and IT  /  Video

Ghislain Guillochon: Networks infrastructures Project manager in International networks management

Mobile boom, submarine cables, evolution of networks in Africa: Ghislain Guillochon (Orange Labs, Lannion) presents the support he provides to Orange's subsidiaries in the area of international traffic.

Networks and IT  /  Article

A brief history of the landline from copper to All-IP

Networks and IT  /  Article

Orange contributes to the Marseille Hub, the leading digital gateway to Europe and the Mediterranean

Jean-Luc Vuillemin, Senior Vice-President, Orange International Networks Infrastructures & Services, notes that: “if the Internet is a global network, it’s because of the subsea cables that carry 99% of the total broadband traffic. Orange confirms its position as the leading operator with its participation in more than 40 subsea cables and international consortia. This represents […]

Networks and IT  /  Article

Uncovering the invisible: underwater connections, by Agnès de Cayeux

Agnès de Cayeux, a multifaceted artist of « Net Art » chose, pragmatically and with a great deal of emotion and poetry, to tell us what the network’s story is.

Networks and IT  /  Article

A brief history of underwater connections

Between underwater epics and technological breaks, a return to the odyssey of underwater intercontinental connections that have brought men together for nearly 170 years.