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Telegeography submarine cable map 202011/23/2023 ![]() The industry analyst TeleGeography estimates that more than US$10 billion worth of new subsea cables will enter service between 20, adding to new installations over the previous five years with a combined price tag of US$9.2 billion. Most new deployments are being funded by the likes of Google, Amazon, Microsoft and Meta, which together now account for around two-thirds of all internet traffic-and a jaw-dropping 90% on the busiest trans-Atlantic links. Submarine installations back on the riseĪfter a lull in activity around a decade ago, the last few years have seen a rapid uptick in installations of submarine cables across all major routes. Global Links: The world’s oceans are home to more than 1.3 million km of optical fiber that provides crucial communications links all over the world. These underwater links-which combine ultrafast data transfer with the security and reliability needed to underpin such critical infrastructure-now carry 99% of the world’s telecommunications traffic. But the urgent need for extra bandwidth also extends to the submarine optical cables that provide the crucial connections between continents. The most tangible sign is in the access networks, with dedicated fiber connections now reaching out to homes and businesses to satisfy their increasing dependence on video platforms and cloud computing. Network operators are responding to that surging demand by accelerating plans to add capacity to their infrastructure. (An exabyte is 10 18 bytes, or a billion gigabytes.) According to the Ericsson Mobility Report, the amount of data consumed by the world’s population will more than triple over the next five years, extending beyond 900 exabytes per month by 2027. That trend shows no sign of slowing down, with new applications and services capturing attention and millions more people becoming connected to the internet every year. The spread of streaming services, the advent of 5G mobile networks and the rapid rise of video calling and virtual work during the COVID-19 pandemic boosted global internet usage by almost 30% per year between 20. The world’s growing reliance on mobile and digital technologies is driving a seemingly insatiable demand for data. ![]() Moreover, global capacity is estimated to increase up to 100 percent by the end of 2023.Network operators are laying more submarine cables with ever-higher capacities to support demand for data services. On average, $1.7 billion and over 67,000 route kilometers per year are being invested in submarine cables. During the same timeframe, multiple owner systems account for 61 percent of total investment, single owner systems are responsible for 28 percent, and multilateral development banks (MDBs) have accounted for 11 percent. “The submarine cable market has never been so dynamic.”Īccording to a submarine telecoms industry report, between 2016-2020, submarine fiber design capacity on major routes has increased at a compound annual growth rate (CAGR) of 26.4 percent, including upgrades and new system builds. “Over the last decade, we’ve seen content providers emerge as disruptors, ramping up investments to meet global demand for their services,” said TeleGeography research director Alan Mauldin. Google alone has more than 15 subsea cable investments globally, with Firmina being the latest one. These companies have such incredible demand for data center traffic, pushing them to drive projects and route prioritization for submarine cable systems. This clearly indicates that big tech companies - Amazon, Google, Facebook, and Microsoft - are taking a more active role in the submarine cable market. Having accounted for less than 10% prior to 2012, content providers’ share of total subsea cable capacity surged to 66% in 2020. ![]() On TeleGeography’s 2021 Submarine Cable Map, there are 464 cables displayed - 428 are active and 36 are planned. Currently, there are over 1.3 million kms of submarine cables that would wrap around Earth more than 30 times end-to-end. New subsea cables have been deployed across the globe, with more investments to be done in the coming three years.
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