HPCwire: NCDM Wins Bandwidth Challenge at SC06

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November 24, 2006

NCDM Wins Bandwidth Challenge at SC06

The National Center for Data Mining at UIC has won the HPC Bandwidth Challenge at SC06 in Tampa, FL, sponsored by Qwest. Nine institutions participated in the competition. NCDM won by sustaining a data transfer rate of 8 Gb/s over a 10 Gb/s link, with a peak rate of 9.18 Gb/s during the competition window. NCDM uses its own open source software products, UDT and SECTOR, to transfer large datasets efficiently at high speeds on optical networks.

This year the Bandwidth Challenge focused on a specific facet of networking: End-to-End achievement. Competitors were asked to fully utilize one 10 Gig path, end-to-end, disk-to-disk, from SC06 in Tampa back to their home institution, using the actual production network back home. Participants were required to realize, demonstrate and publish all the configuration, troubleshooting, tuning and policies used. The SC06 show floor was connected with the major U.S. research networks, specifically: Abilene, ESnet, NLR PacketNet, NLR FrameNet, and HOPI. The U.S. research networks provided transit for the international networks with which they peer.

NCDM transferred Sloan Digital Sky Survey Data (SDSS) between the SC06 show floor in Tampa, Fl and its lab in 4223 SEL at the University of Illinois in Chicago. It used SECTOR, the newly developed distributed data space management system. SECTOR transparently manages the file locating and data moving, while the NCDM developed UDT software is used for the actual data transfer. The data transfer was disk to disk over one 10Gb/s shared routed link between SC06 and UIC, via StarLight.

SDSS is systematically mapping a quarter of the entire sky to produce a detailed image of it and determine the positions and absolute brightness of more than 100 million celestial objects. When completed, it will provide a three-dimensional map of nearly a million galaxies and quasars. The total survey information is about 15 terabytes and rivals the information content of the Library of Congress. As the survey progresses, the data are released to the scientific community and the general public in annual increments.

Bandwidth Challenge Competitors: Winner

National Center for Data Mining (NCDM) at UIC, Northwestern Univ., Johns Hopkins Univ., "Transporting Sloan Digital Sky Survey Data Using SECTOR."

Honorable Mention

1) CalTech, CERN, Univ. of Florida, Univ. of Michigan, "High Speed Data Gathering, Distribution and Analysis for Physics Discoveries at the Large Hadron Collider"

2) Indiana Univ., Pittsburgh SuperComputing Center, Oak Ridge National Laboratory, "All in a Day's Work: Advancing Data Intensive Research with the Data Capacitor"

Additional teams

Japanese Aerospace Exploration Agency; Pacific Northwest National Laboratory; Purdue University; Internet2, Univ. of Washington; Texas A&M Univ., Univ. of Delaware; Univ. of Tokyo

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