[JPL] Coming soon: superfast internet
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Sun Apr 6 11:34:41 EDT 2008
>From The Sunday Times
April 6, 2008
Coming soon: superfast internet
Jonathan Leake, Science Editor
THE internet could soon be made obsolete. The scientists who pioneered it
have now built a lightning-fast replacement capable of downloading entire
feature films within seconds.
At speeds about 10,000 times faster than a typical broadband connection,
³the grid² will be able to send the entire Rolling Stones back catalogue
from Britain to Japan in less than two seconds.
The latest spin-off from Cern, the particle physics centre that created the
web, the grid could also provide the kind of power needed to transmit
holographic images; allow instant online gaming with hundreds of thousands
of players; and offer high-definition video telephony for the price of a
David Britton, professor of physics at Glasgow University and a leading
figure in the grid project, believes grid technologies could ³revolutionise²
society. ³With this kind of computing power, future generations will have
the ability to collaborate and communicate in ways older people like me
cannot even imagine,² he said.
The power of the grid will become apparent this summer after what scientists
at Cern have termed their ³red button² day - the switching-on of the Large
Hadron Collider (LHC), the new particle accelerator built to probe the
origin of the universe. The grid will be activated at the same time to
capture the data it generates.
Cern, based near Geneva, started the grid computing project seven years ago
when researchers realised the LHC would generate annual data equivalent to
56m CDs - enough to make a stack 40 miles high.
This meant that scientists at Cern - where Sir Tim Berners-Lee invented the
web in 1989 - would no longer be able to use his creation for fear of
causing a global collapse.
This is because the internet has evolved by linking together a hotchpotch of
cables and routing equipment, much of which was originally designed for
telephone calls and therefore lacks the capacity for high-speed data
By contrast, the grid has been built with dedicated fibre optic cables and
modern routing centres, meaning there are no outdated components to slow the
deluge of data. The 55,000 servers already installed are expected to rise to
200,000 within the next two years.
Professor Tony Doyle, technical director of the grid project, said: ³We need
so much processing power, there would even be an issue about getting enough
electricity to run the computers if they were all at Cern. The only answer
was a new network powerful enough to send the data instantly to research
centres in other countries.²
That network, in effect a parallel internet, is now built, using fibre optic
cables that run from Cern to 11 centres in the United States, Canada, the
Far East, Europe and around the world.
One terminates at the Rutherford Appleton laboratory at Harwell in
>From each centre, further connections radiate out to a host of other
research institutions using existing high-speed academic networks.
It means Britain alone has 8,000 servers on the grid system so that any
student or academic will theoretically be able to hook up to the grid rather
than the internet from this autumn.
Ian Bird, project leader for Cern¹s high-speed computing project, said grid
technology could make the internet so fast that people would stop using
desktop computers to store information and entrust it all to the internet.
³It will lead to what¹s known as cloud computing, where people keep all
their information online and access it from anywhere,² he said.
Computers on the grid can also transmit data at lightning speed. This will
allow researchers facing heavy processing tasks to call on the assistance of
thousands of other computers around the world. The aim is to eliminate the
dreaded ³frozen screen² experienced by internet users who ask their machine
to handle too much information.
The real goal of the grid is, however, to work with the LHC in tracking down
nature¹s most elusive particle, the Higgs boson. Predicted in theory but
never yet found, the Higgs is supposed to be what gives matter mass.
The LHC has been designed to hunt out this particle - but even at optimum
performance it will generate only a few thousand of the particles a year.
Analysing the mountain of data will be such a large task that it will keep
even the grid¹s huge capacity busy for years to come.
Although the grid itself is unlikely to be directly available to domestic
internet users, many telecoms providers and businesses are already
introducing its pioneering technologies. One of the most potent is so-called
dynamic switching, which creates a dedicated channel for internet users
trying to download large volumes of data such as films. In theory this would
give a standard desktop computer the ability to download a movie in five
seconds rather than the current three hours or so.
Additionally, the grid is being made available to dozens of other academic
researchers including astronomers and molecular biologists.
It has already been used to help design new drugs against malaria, the
mosquito-borne disease that kills 1m people worldwide each year. Researchers
used the grid to analyse 140m compounds - a task that would have taken a
standard internet-linked PC 420 years.
³Projects like the grid will bring huge changes in business and society as
well as science,² Doyle said.
³Holographic video conferencing is not that far away. Online gaming could
evolve to include many thousands of people, and social networking could
become the main way we communicate.
³The history of the internet shows you cannot predict its real impacts but
we know they will be huge.²
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