A journal for networking and telecoms
Subsea network coverage
Tracking cable systems, landing stations, marine routes, coherent transmission, financing and the cloud-driven expansion of global capacity.
Coverage architecture
Converge Digest follows the submarine cable systems carrying international traffic between continents. Coverage spans new routes, cable ownership, hyperscaler investment, landing stations, wet-plant technology, coherent transmission, marine installation and geopolitical resilience.
New routes, consortium structures, ownership and capacity design.
See the companies ↓02Fiber pairs, repeaters, branching units and marine engineering.
See the companies ↓03Cable landing stations, terrestrial backhaul and data center interconnection.
See the companies ↓04Financing, route diversity, regulation, repair and geopolitical risk.
See the companies ↓Latest reporting
Southern Cross Cable Limited achieved a major milestone by deploying the world’s first transpacific 1 Tb/s single-carrier wavelength transmission leveraging Ciena’s WaveLogic 6 Extreme…
Nokia finalized the sale of its submarine cable subsidiary, Alcatel Submarine Networks (ASN), to the French State on December 31, 2024, with the transaction…
NEC Corporation completed installation of the Asia Direct Cable (ADC), a new 10,000-kilometer (6,214-mile) submarine cable connecting six countries in East and Southeast Asia.…
VIAVI Solutions confirmed its critical role in validating the world’s first 800GbE transatlantic service trial, originally announced in October by Windstream Wholesale and Nokia.…
Members of the CELIA consortium have announced the development of CELIA, a high-capacity submarine cable system set to connect key locations in the Caribbean…
Google has announced the Australia Connect initiative, a comprehensive investment in digital infrastructure designed to enhance connectivity across Australia and the Indo-Pacific region. Central to…
The Federal Communications Commission (FCC) initiated a review of its submarine cable licensing rules for the first time since 2001, reflecting advancements in technology…
A fault has been detected in the Cinia C-Lion1 submarine cable, which connects Finland and Germany, disrupting services early on Monday, November 18, 2024.…
Nokia and Islalink successfully achieved 800Gbps transmission over a 330km (205-mile) unrepeated submarine cable, connecting Crotone, Italy, with Preveza, Greece. The milestone, reached through…
Cirion Technologies has introduced the South American Crossing-2 (SAC-2) subsea route, a new diverse Atlantic subsea cable designed to enhance connectivity between Latin America…
Paratus Group, a pan-African telecom provider, has launched the Paratus Express Route, a high-capacity fiber route connecting Johannesburg directly to Europe. Using Infinera’s advanced…
Colt Technology Services and Ciena completed the first 1.2 Tbps wavelength transmission across the Atlantic Ocean on Colt’s Grace Hopper subsea cable. This achievement…
Vodafone Greece has connected Crete to the India-Europe-Xpress (IEX) subsea cable system, adding a new route for high-capacity, resilient data connectivity. Located in Tympaki,…
Topic explorer
Use these curated entry points to move from the category overview into specific technologies, markets and the reporting attached to them.
Industry ecosystem
Submarine cables carry effectively all intercontinental traffic. Five groups of companies build, light, lay and pay for them.
Turnkey suppliers delivering wet plant, terminal equipment and installation.
Coherent line terminals and the DSPs setting per-fiber-pair capacity.
Fiber, armouring and cable production for deep-water and shore-end segments.
Cable ship operators handling laying, burial and the repair fleet resilience depends on.
Hyperscalers now fund and own a majority of new transoceanic capacity.
An editorially curated view, not a complete industry directory. Selection reflects market leadership, technology transitions and Converge Digest coverage volume. Browse the full archive →