Fermilab Computing Division

CS Document 4372-v1

The US-CMS Tier1 Center Network Evolving toward 100Gbps

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Andrey Bobyshev
Updated by:
Andrey Bobyshev
Document Created:
29 Jun 2011, 11:03
Contents Revised:
29 Jun 2011, 11:03
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29 Jun 2011, 11:03
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Fermilab hosts the US Tier-1 Center for the LHC’s Compact Muon Collider (CMS) experiment. The Tier-1s are the central points for the processing and movement of LHC data. They sink raw data from the Tier-0 at CERN, process and store it locally, and then distribute the processed data to Tier-2s for simulation studies and analysis. The Fermilab Tier-1 Center is the largest of the CMS Tier-1s, accounting for roughly 35% of the experiment’s Tier-1 computing and storage capacity. Providing capacious, resilient network services, both in terms of local network infrastructure and off-site data movement capabilities, presents significant challenges. This article will describe the current architecture, status, and near term plans for network support of the US-CMS Tier-1 facility.
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Accepted for publication in Journal of Physics: Conference Series, No.CHEP242.
Associated with Events:
CHEP 2010 held from 18 Oct 2010 to 22 Oct 2010 in Taipei, Taiwan
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