Submarine Landslide Leads to Puzzling Vodacom Data Network Outage in South Africa

In an event that left consumers and businesses alike scratching their heads, Vodacom experienced a significant data network outage across South Africa last Thursday, prompting a wave of frustrations and questions concerning the robustness of the telecom giant's infrastructure.

The outage occurred after a suspected submarine landslide off the coast of Cote d'Ivoire disrupted four critical undersea cables—WACS, ACE, MainOne, and SAT-3. This geological event, which took place far from human activities, ruled out initial fears of sabotage or accidental disruptions generally associated with boat anchors.

Despite the understandable cause of the undersea breakages, what was perplexing was Vodacom customers' inability to access services housed on local servers. This included issues with Microsoft's Azure cloud platform, which had a ripple effect on entities such as Yoco, the payment solutions provider who reported significant difficulties due to this downtime.

Vodacom's response to the incident was to highlight the unusual nature of the simultaneous cable breakages and the presence of alternatives such as Google's Equiano cable, which maintained some connectivity from Africa to Europe. The company admitted that due to capacity disparities on these routes, many users faced sporadic service issues.

Following urgent capacity upgrades on the unaffected cable systems, Vodacom reported that services were back to normal on Thursday evening. However, the telecom provider's explanation did little to clarify why, even with network contingencies, local sites remained inaccessible, a mystery compounded by MyBroadband's own tests from locations in Gauteng and the Western Cape.

Countless individuals took to social media to air their concerns, and these were validated by tests which showed that there was a total lack of throughput on Vodacom's network for several hours. Unlike Vodacom, other network operators like MTN and Telkom did not seem to suffer from similar outages, indicating a Vodacom-specific problem with accessing local data.

Ultimately, while global connectivity can be subject to the whims of nature, the local service disruption has inevitably raised eyebrows about the resilience of Vodacom's network design. This incident serves as a call for telecommunication entities to ensure redundant systems are effective in both international and local contexts, reassuring customers that they can withstand unforeseen disruptions.