Abstract
Protecting submarine cables for enhanced connectivity Morten Eriksrud, at ASN Norway AS, looks to the protection of the global network of submarine cables and other critical subsea infrastructure. Optical communication technology is the key technology to making internet connectivity available all over the world. Fibre-optic cables, distributing data with the speed of light, connect continents, countries, and islands together by creating a global telecommunication network. These cables are installed subsea and are placed on the seafloor (in deep water areas) or trenched in the seabed (in shallow water areas). This global network of submarine cables contains more than 400 active cable links covering nearly 1.4 million kilometres (over three times the distance from Earth to Moon). More than 95% of the global internet traffic runs through these submarine cables. Submarine cables can carry far more data at far less cost than satellites and the increasing digitalization of our societies will further increase the number of submarine cables.
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