CurrentGlobal Subsea Fiber Network
Request Capacity

Insights

Technical notes on capacity, latency, and marine engineering

Latency economics, cable protection, marine permitting, capacity planning, and redundancy design — written for the network architects and procurement teams who actually read this before an RFP.

Repeater Spacing and the Physics of Optical Amplification
August 7, 2026

Repeater Spacing and the Physics of Optical Amplification

Every long-haul subsea cable loses signal strength continuously as light travels through glass fiber — a well-understood physical property called…
Redundancy Isn't Optional: Designing for Physical Route Diversity
August 7, 2026

Redundancy Isn’t Optional: Designing for Physical Route Diversity

“Redundant” is one of the most misused words in capacity sales. A second cable system that lands at the same…
How Hyperscalers Actually Buy Capacity Five Years Out
August 7, 2026

How Hyperscalers Actually Buy Capacity Five Years Out

The largest cloud providers don’t buy subsea capacity the way most enterprise customers do — as a reaction to an…
Marine Permitting: The 18-Month Process Before the Ship Even Sails
August 7, 2026

Marine Permitting: The 18-Month Process Before the Ship Even Sails

By the time a cable-lay vessel actually reaches a new system’s route, roughly 18 months of permitting, survey, and regulatory…
Why Cable Protection Zones Matter More Than People Think
August 7, 2026

Why Cable Protection Zones Matter More Than People Think

The single largest cause of subsea cable faults worldwide isn’t a storm, an earthquake, or equipment failure — it’s a…
The Real Cost of a Millisecond: Latency Economics for Trading Routes
August 7, 2026

The Real Cost of a Millisecond: Latency Economics for Trading Routes

For most enterprise buyers, capacity purchasing is about throughput and price per Mbps. For a narrow but extremely demanding slice…