Severed internet cables highlight Africa’s vulnerability

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A number of nations in West Africa have been grappling with large-scale web outages since final Thursday, following injury to a number of undersea fibreoptic cables. Côte d’Ivoire, Senegal, Nigeria and Ghana are among the many worst-affected, though web customers as distant as South Africa have additionally been hit.

The incident coincides with a spate of obvious sabotage incidents affecting cables on the alternative aspect of the continent. Yemen-based Houthi rebels are suspected of severing undersea fibreoptic cables within the Purple Sea late final month, affecting web visitors between East Africa, Asia and Europe.

The reason for the injury to the West African cables has not been confirmed. A number of completely different cables are affected, together with the West Africa Cable System (WACS), the Africa Coast to Europe (ACE), MainOne, and SAT3.

MainOne, a Nigerian firm, stated in a press release that the disruption was “likely as a result of environmental components reminiscent of landslides and earthquakes”. It claimed that it might rule out any sort of “human exercise” as a reason for the fault, because of the cable mendacity on a 3km-deep seabed on the level at which the injury occurred.

Financial impacts from the outage are more likely to be appreciable. Banks had been compelled to shut in a number of nations, together with Nigeria, as they had been unable to course of transactions. Cell web customers have additionally reported sluggish connection speeds, with knock-on impacts for cell cash suppliers.

Preliminary estimates recommend that absolutely repairing the injury will take round 5 weeks, bearing in mind the 2 weeks wanted for restore vessels to succeed in the realm the place the cables have been severed.


Undersea telecommunication cables play a important position within the international economic system. Enhancements in fibreoptic cable connections throughout Africa over the past decade have helped internet-based companies flourish, enabling the expansion of tech ecosystems in lots of nations.

Nonetheless, these connections are extraordinarily fragile and injury to cables is comparatively frequent. In addition to deliberate sabotage, cables will be severed by undersea earthquakes, landslides or volcanic eruptions. Ships dragging their anchors alongside the seabed are one other frequent offender for faults. Even shark bites could cause critical injury.

To various levels, African nations are notably weak because of the comparatively low density of cable connections to many nations. A number of main cable techniques prolong round massive sections of African continent – Google’s Equiano cable, for instance, which runs from Portugal to South Africa, was accomplished in 2022 – however most of those techniques have spurs that create ‘touchdown factors’ with solely a handful of nations.

Sierra Leone, Liberia and Mauritania, for instance, are every related by a single cable, that means that any injury could cause a complete web blackout. South Africa, however, has a number of connections, in order that telecom operators can reroute visitors onto different cables within the occasion of an outage.

Telecoms operator MTN stated in a press release that it was making progress in restoring providers in West Africa and, in the long term, is looking for to enhance the resilience of its networks.

“We’re working with the cable consortiums and companions to boost interconnection alongside each the west and east coasts, with additional interconnections between WACS and Equiano, and the introduction of the end-to-end connection between WACS on the west coast and EASSy on the east coast,” it stated.

A substitute for fibreoptic cables is to make use of satellites to ship web providers. Satellite tv for pc web, nevertheless, usually delivers slower connections at nice expense and efforts to scale-up this expertise are nonetheless nascent. Elon Musk’s Starlink web service, for instance, is at present out there in solely a handful of African nations, together with Eswatini, Kenya, Malawi, Mozambique, Nigeria, Rwanda and Zambia.


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