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The Subsea Cable Network with Josh Dzieza, Sonic AI
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The Subsea Cable Network with Josh Dzieza
Software Engineering Daily
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Feb 13, 2025
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44:18
Interview
The Subsea Cable Network with Josh Dzieza
From
Software Engineering Daily
Josh Dzieza
(Reporter, The Verge, guest)
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Executive Summary
Subsea cables form the physical backbone of the global internet, carrying over 95% of international data, yet they are highly vulnerable to both accidental damage and deliberate sabotage.
The industry has shifted from telecom-led consortiums to being dominated by hyperscalers like Google and Meta, who now fund and build their own high-capacity networks to connect their data centers, driving innovation but also concentrating control.
Geopolitical risk is a primary concern, with state actors like Russia and China implicated in targeting cables, and military strategists viewing them as primary targets in potential conflicts, such as a Chinese siege of Taiwan.
The process of repairing severed cables is a surprisingly analog, slow, and logistically complex operation, relying on a small, specialized fleet of ships, which creates a critical bottleneck and highlights disparities in internet resilience across the globe.
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