Saturday, 16 August 2014

Photos: Forget Apple, Google's latest threat is SHARKS biting their underwater cable networks

Experts this week have warned the internet could be running out of space, but it could also be under a completely different threat - sharks.
Google protects its underwater data cables from shark bites with a hi-tech material, according to one of its employees.
The fibre optic cables are responsible for carrying the world’s internet traffic, and they are protected from knocks that could break the glass tubes, as well as from shark bites that could break the backbone of the internet.
One of the search giant’s product managers told Network World that the firm uses a Kevlar-like material to provide extra cushioning for cables in the Pacific in order to protect them from shark bites.
Kevlar is a high-strength armoured synthetic fibre designed by DuPont, and it seems that Google uses its own equivalent.
It is thought that the creatures are so interested in the cables because of the magnetic field they create, which is similar to those made by fish in distress.
Sharks may chomp on the cables in the mistaken belief they are about to get an easy meal.
Lasers are used in the fibre optic cables to send information through glass.
Data can be transmitted at speeds of up to one gigabit per second, which is around 100 times faster than copper connections, which appear to be unappealing to sharks.
The fibres are encased in plastic coatings in different colours, then wrapped in a protective layer of Kevlar-like material before being sheathed in a polyurethane jacket.
Not only does this provide cushioning from knocks and movement, the coating prevents electricity leaking and minimises electrical and magnetic fields emitted.
Google has not commented on the attacks, but experts claim it is likely other companies also take measures to protect their cables from apex predators.
#Yeah, true! Maybe that's why we had issues with our gmail and google last week, even had to tweet them to rectify the issue ASAP!!!
The fibre optic cables (illustrated) are responsible for carrying the world¿s internet traffic and while they are protected from knocks that could break the glass tubes, there is a risk that sharks could damage the backbone of the internet
Google protects its underwater data cables from shark bites by encasing them in super-strong Kevlar-like fibres, according to one of its employees. A stock image of a great white shark is shown
Google's Faster project will connect Japan to the west coast of the US. The cable will stretch 5,000 miles (8,000km) under the ocean at depths of around 7,000 miles (11,300km) and will then link with local cable systems already in place. Faster is expected to be complete by Spring 2016

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