Telco Magazine July 2025 | Page 15

MARINE CABLES

1 Pbps 92 %

In 2022, international submarine cables carried nearly 1 Petabit per second of data – 1,000 Tbps – marking a fivefold rise since 2017 and a major global milestone

In 2022, major content and cloud providers such as Google, Meta, Amazon and Microsoft used 92 % of transatlantic bandwidth, highlighting their dominance in global capacity usage

Repairing a single submarine cable typically costs between

US $ 1m – US $ 3m

with few repair ships available, this poses ongoing challenges to network reliability

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