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From: JW@KSC5/3/2015 3:40:43 AM
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Is the internet on the brink of collapse? The web could reach its limit in just eight years, warn engineersInternet speeds have increased by 50-fold in the last decade alone Optical fibres have reached capacity and cannot transfer any more lightLaying down more cables may solve problem but this will increase costs'It is harder and harder to keep ahead,' said Professor Andrew EllisBy BEN SPENCER SCIENCE REPORTER FOR THE DAILY MAIL

PUBLISHED: 19:28 EST, 1 May 2015 | UPDATED: 05:11 EST, 2 May 2015





The internet is heading towards a 'capacity crunch' as it fails to keep up with our demand for ever faster data, scientists have warned.

Leading engineers, physicists and telecoms firms have been summoned to a meeting at London's Royal Society later this month, to discuss what can be done to avert a web crisis.

The boom of internet television, streaming services and ever-more powerful computers has increased the strain on our communications infrastructure.

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The internet is heading towards a 'capacity crunch' as it fails to keep up with our demand for ever faster data, scientists have warned. The cables and fibre optics that send information to our laptops, smartphones and tablets will have reached their limit within eight years, experts say

The cables and fibre optics that send information to our laptops, smartphones and tablets will have reached their limit within eight years, experts warn.

So far, engineers have managed to keep ahead of demand, increasing internet speeds 50-fold in the last decade alone.

HOW THE WEB COULD COLLAPSE
The cables and fibre optics that send information to our laptops, smartphones and tablets will have reached their limit.

Experts warn science has reached its limit and that fibre optics can take no more data from a single optical fibre.

The internet companies could always put down additional cables - but that will mean higher bills.

Experts say we could be faced with paying double or will have to put up with an internet that switches off intermittently.

Storing information in large 'server farms', rather than transferring it, would take the strain off the network.

In 2005, broadband internet had a maximum speed of 2 Megabits per second. Today 100Mb-per-second download speeds are available in many parts of the country.

But experts warn that science has reached its limit - that fibre optics can take no more data.

The result, according to Professor Andrew Ellis, who has co-organised the Royal Society meeting on May 11, will be higher internet bills.

Professor Ellis, of Aston University in Birmingham, told the Daily Mail: 'We are starting to reach the point in the research lab where we can't get any more data into a single optical fibre.

'The intensity is the same as if you were standing right up against the sun.

'The deployment to market is about six to eight years behind the research lab - so within eight years that will be it, we can't get any more data in.

'Demand is increasingly catching up. It is growing again and again, and it is harder and harder to keep ahead.

'We have done very well for many years to keep ahead. But we are getting to that point where we can't keep going for ever.

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'Unless we come forward with really radical ideas, we are going to see costs dramatically increase.'

Optical fibres are flexible, transparent strands the thickness of a piece of a human hair. Information is transformed into light, sent down the fibre, and then transformed back into information.

Until now, internet firms have simply sent more and more data down the single fibre as demand rises. But optical fibres have reached their physical capacity, they cannot transfer any more light.

Professor Ellis thinks that within eight years, we will have reached our limit.



What the Internet really looks like: Each yellow line is one of the major fiber-optic cables that carry Internet traffic around the world. These are the 'plumbing' of the internet, and many are routed undersea

The internet companies could always put down additional cables - but that will mean higher bills.

'If you put down a second line, it doubles the cost,' Professor Ellis said.

'That is a completely different business model. I think a conversation is needed with the British public as to whether or not they are prepared to switch that business model in exchange for more capacity.

'Are we prepared to pay more? Or should we stop expanding capacity and put up with Netflicks juddering?'

The professor warned that it also takes a huge amount of electricity to transfer data.

'The internet uses the same energy as the airline industry - about two per cent of a developed country's entire energy consumption,' he said.

'That is just for the data transfer. If you then add the computers, the phones, the television, then it is up to eight per cent of the country's energy consumption.'

Every time internet speed increases, the electricity it takes to transfer the power also rises.

Professor Ellis said: 'That is quite a huge problem. If we have multiple fibres to keep up, we are going to run out of energy in about 15 years.

Government invests into superfast broadband to boost achievement





Optical fibres are flexible, transparent strands the thickness of a piece of a human hair. Information is transformed into light, sent down the fibre, and then transformed back into information. Until now, internet firms have simply sent more and more data down the single fibre as demand rises

'The public needs to decide whether they want to use their precious wind turbine electricity on electric cars, or on more internet.

'We need to start this discussion now.'

Not everyone, however, is convinced of the severity of the situation.

Andrew Lord, head of optical research at BT and a visiting professor at Essex University, insists scientists will come up with a solution.

Professor Lord, who will address the Royal Society meeting, said storing information in large 'server farms', rather than transferring it, would take the strain off the network.

'The internet is not about to collapse,' he said. 'It has a lot of bandwidth left in it.'

A spokesman for the Royal Society said: 'Communication networks face a potentially disastrous 'capacity crunch' as demand for data online outstrips the capacity of the optical fibres that carry internet signals.

'This meeting brings together experts to discuss why we're heading towards a capacity crunch, what can be done to avert it, and the impact if we do nothing: data rationing, the end of net neutrality and rising costs for going online.'

Read more: dailymail.co.uk
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