Undersea cable damage affects global Internet connectivity

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Undersea cable damage affects global Internet connectivity
Undersea cable damage affects global Internet connectivity

Several undersea cables were cut overnight in the south of France, causing Internet access worldwide to be unreliable. Furthermore, the engineers fixed one broken link, but the investigation continues. Do you think it was Russian sabotage that temporarily halted Internet access? Would you agree? Despite the Ukraine conflict raising this issue, investigators have not found any evidence to support it.

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On Wednesday night, the issue began. There were widespread problems with internet connectivity in south France due to an undersea cable. According to reports, at least three fiber cables were severed at 20:30 (UTC), which caused Internet access to be much slower in Europe, Asia, and the United States. Cloud companies quickly addressed the problem, which is good news.

Those websites and applications traversing the impacted paths experienced packet loss and increased latency as a result of the unexpected undersea cable damage, according to cloud security firm Zscaler. There have been three broken links identified by the company:

  • Marseille-Lyon
  • Marseille-Milan
  • Marseille-Barcelona.

To mitigate the issue, Zscaler made adjustments to routing of internet traffic where possible. Nevertheless, some content providers and apps still used the severed links, which hindered actions. Further, Zscaler has confirmed that workers have fixed an affected link that was resulting in less packet loss and reduced latency for websites and internet applications. Direct fiber testing confirmed the severed links, however. Undersea cable damaged points are still being found by search operations.

We have some good news to report: internet connectivity is slowly returning to normal. The investigations are also ongoing on a local and global scale. The cut lines in the United Kingdom were believed to have been caused by unknown Russian saboteurs due to unknown undersea cable damage.

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