The Economics of Submarine Cables
Learn how much submarine cables cost, who builds submarine cables, and how cable operators make money.| blog.telegeography.com
Telecom news, ideas, and explainers for anyone who communicates.| blog.telegeography.com
The internet depends on a network of submarine cables no thicker than a garden hose, yet these tiny conduits carry the vast majority of global internet traffic. As digital demand explodes and new cables proliferate, cable route engineers face an increasingly complex challenge: finding space on the seafloor for new systems while maintaining the safety and reliability of existing infrastructure.| TeleGeography Blog
Global internet bandwidth increased by 23% in 2025, maintaining its consistent pace of steady growth. Total international bandwidth now stands at an impressive 1,835 Tbps, representing a four-year compound annual growth rate (CAGR) of 24%. Although the pace of growth has slowed ever so slightly in recent years, bandwidth has still more than doubled since 2021.| TeleGeography Blog
While new submarine cable systems are being built to expand global internet capacity, the maintenance of submarine cables has not seen the investment required to maintain these systems.| TeleGeography Blog
Since the Russian invasion in February 2022, Ukraine’s telecoms operators have faced a continuous struggle to maintain connectivity for the country’s inhabitants. As well as widespread damage to infrastructure, they’ve had to deal with frequent power blackouts, cyberattacks and more.| TeleGeography Blog
Submarine cables carry over 99% of international data traffic and face unprecedented cybersecurity challenges that extend far beyond traditional network security. In this episode of the TeleGeography Explains the Internetpodcast, Ferris Adi, Chief Information Security Officer at Trans Americas Fiber System, recently shared insights on the evolving threat landscape and strategic approaches to protecting these vital assets.| TeleGeography Blog
Learn how much submarine cables cost, who builds submarine cables, and how cable operators make money.| blog.telegeography.com
Providers’ shift to predominantly 100 Gbps internet backbones continues to reduce the average cost of carrying traffic, enabling profitability at lower prices. As a result, price erosion remains the universal norm, reflecting the introduction of competition into new markets and the response of more expensive carriers to lower prices.| TeleGeography Blog
How AI will impact enterprise networks is a huge topic that we're tackling in a multi-part series. In these posts, we're comparing the total cost of ownership (TCO) of a legacy MPLS network—one that still represents many multinationals’ WANs in 2025—to various hybrid or internet-first alternatives designed to accommodate changes brought by AI and cloud.| TeleGeography Blog
Making your legacy network capable of handing the AI boom is the smart move for future-proofing your network—and your budget.| blog.telegeography.com
What is the global submarine cable industry thinking about right now? What are the key debates and headlines to know? And what is Singapore like in September? These are a few of the questions Submarine Networks World attendees are asking as they gear up for next month's conference. We may not be experts in the weather department, but we do have insight into the event agenda and a few pieces worth reading or watching before jetting off to Singapore. 👇| TeleGeography Blog
How will AI shape the future of enterprise network configurations? Here's what the data says about AI-driven bandwidth demand increases and cloud connectivity.| blog.telegeography.com
Capacity Europe 2025—taking place from October 21 to 23 in London—will once again bring together the global digital infrastructure community.| blog.telegeography.com
Because they are engineered with a minimum design life of 25 years, it's common for submarine cables to experience this luxury. Let’s talk about why, and what happens to cables after they reach retirement age.| blog.telegeography.com
A new report shows how to enhance submarine cable security and resilience, detailing regulations and geopolitics related to cable maintenance and repair.| blog.telegeography.com
This episode features Luis Fiallo, Vice President of China Telecom Americas, and focuses on Latin American network and cloud developments.| blog.telegeography.com
Starlink, the satellite broadband provider operated by Elon Musk’s SpaceX unit, is making rapid inroads in Latin America.| blog.telegeography.com
Identifying the most meaningful takeaways from a major industry event is like isolating the melody from an overture. Peter Wood looks for the leitmotifs at Capacity LATAM 2025.| blog.telegeography.com
Senior Research Analyst Juan Velandia ventured to Capacity LATAM 2025 to highlight the state of the market.| blog.telegeography.com
Powering Mexico's Connectivity. Attend Mexico Connect September 10-11, 2025.| blog.telegeography.com
The value of new submarine cables planned to enter service between 2025 and 2027 is forecasted to reach over $13 billion.| blog.telegeography.com
Telefonica’s plan to reduce its exposure in Latin America has finally gathered pace.| blog.telegeography.com
Understanding the difference between lit capacity and potential capacity explains a key aspect of the submarine cable market.| blog.telegeography.com
Here are 13 key data center terms—and what they mean.| blog.telegeography.com
Introducing the 2025 State of the Network Report—our eighth annual check-in on all things telecom.| blog.telegeography.com
AT PTC ’25, Brianna Boudreau examined how recent events have impacted the pricing market.| blog.telegeography.com
A quiet August? Not for sharing tech and telecom stories around the TeleGeography office.| blog.telegeography.com
