BrandWikiReturn

TAT-14

WorldBrand briefing

AI supplement

Original synthesis to sit alongside the encyclopedia article below. Not part of Wikipedia; verify facts on Wikipedia when precision matters.

TAT-14 is the 14th and final generation of the Transatlantic Telephone (TAT) series of submarine fiber-optic communication cables, designed to carry high-volume cross-border voice and data traffic between North America and Europe.

Key moments

  • 2001Entered commercial service
  • December 15, 2020Officially retired from commercial use
  • 2021Decommissioning and recycling operations began, covering shore ends in the US, UK, France, Denmark and the Netherlands

Technical Specifications and Role

TAT-14 used four fiber pairs: two active and two backup, with high transmission capacity for its era, supporting around 800Gbps total throughput and roughly 1 petabyte of daily data traffic. It was part of the later fiber-optic generation of TAT cables, following earlier copper and early fiber systems like TAT-8, and helped meet surging global internet and telecom demand in the early 2000s.

Historical Significance

As the last of the original TAT series, it marked the end of an era of standardized transatlantic cable systems built by international consortia. After its retirement, newer transatlantic cables like MAREA, Grace Hopper and Amitié took over its role, with far higher capacity and modern transmission technology.

Environmental and Industrial Legacy

Its decommissioning set a precedent for sustainable recycling of undersea cable infrastructure, with recovery and reuse of materials and cleanup of seabed paths to make way for newer, more advanced cable systems.

TAT-14 was the 14th consortium transatlantic telecommunications cable system. In operation from 2001 to 2020,[3] it used wavelength division multiplexing. The cable system was built from multiple pairs of fibres—one fibre in each pair was used for data carried in one direction and the other in the opposite direction. Although optical fibre can be used in both directions simultaneously, for reliability it is better not to require splitting equipment at the end of the individual fibre to separate transmit and receive signals—hence a fibre pair is used. TAT-14 used four pairs of fibres—two pairs as active and two as backup. Each fibre in each pair carried 16 wavelengths in one direction, and each wavelength carried up to an STM-256 (38,486,016 kbit/s as payload).[4] The fibres were bundled into submarine cables connecting the United States and the European Union (United Kingdom, France, the Netherlands, Germany, and Denmark) in a ring topology.[5]

By the time this cable went into operation, the expected long boom (term coined by Wired magazine) was already ending in the dot-com death. The overinvestment in transcontinental optical fiber capacity led to a financial crisis in private cable operators like Global Crossing.

In the diplomatic cables leak, it is revealed that the landing point in Katwijk, the Netherlands is included in a US Government list of critical infrastructure susceptible to terrorist attack.[6]

Use of the cable was ceased on December 15, 2020, shortly after the Havfrue cable, whose main trunk also lands at Blaabjerg, was lit in November 2020.[7] In 2021 the permanent dismantling of the system was begun.[8]

Cable failure

In November 2003, TAT-14 suffered two breaks within weeks of each other, first on the southern link between the US and UK, then on the link between France and the Netherlands which had been providing redundant service to the UK via the northern link through Denmark, resulting in disruption to Internet services in the United Kingdom.[9][10]

On May 19, 2014, preliminary reports from hosting provider Digital Ocean suggested that TAT-14 was the cause for the disrupted services between the EU and the US.[11]

Decommissioning of the TAT-14

Subsea Environmental Services has removed and recycled the cable shore-ends in the U.S., U.K., France, Denmark and The Netherlands as well as the deep-water segments in the North Atlantic.[12]

External links

References

  1. TAT-14 General Committee TAT-14 Cable System, Sprint Corporation, retrieved 18 November 2017^
  2. TAT-14 International Network Systems, retrieved 18 November 2017^
  3. Report No. SCL-00267 Federal Communications Commission, 2020-04-02, retrieved December 21, 2020^
  4. About the TAT-14 Cable Network TAT-14, retrieved 2023-01-14^
  5. CABLE LANDING LICENSE U.S. Federal Communications Commission, 1999-10-01, retrieved 2013-08-09^
  6. VS wijst knelpunten Nederland aan RTL Nieuws, 2010-12-06, retrieved 2013-08-09^
  7. Out With the Old Cables, in With the New 2020-12-21^
  8. Upcoming Dismantling of the TAT-14 Submarine Cable System 2021-05-11^
  9. Graeme Wearden. Cable failure hits UK Internet traffic ZDNet, 2003-11-26, retrieved 2013-08-09^
  10. Andrew Craig. Net failure hits UK webuser.co.uk, 2003-11-26, retrieved 2013-08-09^
  11. Network Outage in EU affecting AMS1 and AMS2 DigitalOcean, 2014-05-19, retrieved 2018-01-30^
  12. Subsea Cable System Red Penguin Marine, 2024-03-05, retrieved 17 October 2024^