The Internet Isn't in the Cloud.It's on the Ocean Floor
5 hours ago
- #undersea cables
- #geopolitics
- #AI infrastructure
- The internet's physical backbone consists of about 530 undersea fiber optic cables carrying 99% of intercontinental data traffic, debunking the 'cloud' metaphor.
- Key chokepoints like the Red Sea, Singapore Strait, Taiwan Strait, and Baltic Sea concentrate cables, making them vulnerable to accidents (e.g., anchor damage) or geopolitical tensions, with incidents causing significant economic disruptions.
- Ownership of undersea cables has shifted from telecom consortia to private control by four hyperscalers—Google, Meta, Amazon, and Microsoft—who now own or control roughly half of global bandwidth, prioritizing their AI and cloud infrastructure over shared public utility models.
- Geopolitical bifurcation is emerging, with China's HMN Technologies leading cable-laying for its Digital Silk Road, while Western-backed alternatives aim to counter perceived espionage risks, mirroring semiconductor industry tensions.
- Industry responses include record investments in new cables, redundant routes, and mesh topologies to enhance resilience, but geographic chokepoints remain inherent vulnerabilities that capital cannot fully eliminate.
- Economic signals to watch include hyperscaler ownership disclosures, repair times in contested waters, and contract wins between Chinese and Western cable projects, indicating the pace of infrastructure bifurcation.
- The internet's physical infrastructure is a critical economic asset, with concentrated control and persistent vulnerabilities likely to intensify due to AI demand and geopolitical strains, though public awareness remains low until major outages occur.