Interactive Submarine Cable Map Reveals 447 Cable Systems Under the Sea

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TeleGeography’s 2020 Submarine Cable Map has arrived alongside a new interactive experience that includes free map downloads for users. (High-quality printed editions are available, as well.) This new edition, sponsored by Telecom Egypt, depicts 447 cable systems and 1,194 landing stations that are currently active, under construction, or expected to be fully-funded by the end of 2022. New Builds of …

[Whitepaper Download] By Ciena: Side-Stepping the Shannon Limit

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Published by Ciena. Summary For a decade now, the submarine network industry has benefitted from the arrival of coherent-based modems allowing cable operators to upgrade their submerged assets to previously unthinkable total information-carrying capacities. Channel speeds initially increased from traditional 10Gb/s On-Off Keying (OOK), where laser light was shuttered on and off to represent digital ones and zeros, to 40Gb/s …