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Science Large Hadron Collider goes global
Science Large Hadron Collider goes global | Large Hadron Collider goes global |
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| by William Atkins | |
| Saturday, 04 October 2008 | |
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Science DiscussionsThe LHC Computing Grid (LCG)—the computing center for the world’s largest particle accelerator and the world’s largest and most complex scientific instrument—will be processing and controlling over 15 million gigabytes (15 petabytes) of data each year. The distribution network for the LCG was designed by CERN to process and coordinate the gigantic amounts of data produced by the Large Hadron Collider. In fact, CERN needs around 100,000 high-performance processors to process all of the data generated by the LHC. The home website for CERN is: http://public.web.cern.ch/public/. The LCG will handle on any given day 250,000 to 500,000 jobs. The data will circulate throughout the world via dedicated optical fiber networks going into eleven major computer centers located in North America, Europe, and Asia. The network also consists of private fiber optic cable links and public high-speed Internet connections. CERN estimates that the data stream will be about 300 gigabytes per second, which will be filtered into about 300 megabytes per second of “raw” data. The computer network is based on the Scientific Linux configuration, which has been developed by Fermi National Accelerator Laboratory and CERN. The computing process involves a four-step process that is called tiering. Please read page two for more details. |
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