339 Gbps: High-energy physicists smash records for network data transfer

November 23, 2012 by Allison Benter, California Institute of Technology

High-Energy Physicists Smash Records for Network Data Transfer
(Phys.org)—Physicists led by the California Institute of Technology (Caltech) have smashed yet another series of records for data-transfer speed. The international team of high-energy physicists, computer scientists, and network engineers reached a transfer rate of 339 gigabits per second (Gbps)—equivalent to moving four million gigabytes (or one million full length movies) per day, nearly doubling last year's record. The team also reached a new record for a two-way transfer on a single link by sending data at 187 Gbps between Victoria, Canada, and Salt Lake City.

The achievements, the researchers say, pave the way for the next level of data-intensive science—in fields such as , astrophysics, genomics, meteorology, and global climate tracking. For example, last summer's discovery at the Large Hadron Collider (LHC) in Geneva of a new particle that may be the long-sought Higgs boson was made possible by a global of computational and data-storage facilities that transferred more than 100 petabytes (100 million gigabytes) of data in the past year alone. As the LHC continues to slam protons together at higher rates and with more energy, the experiments will produce an even larger flood of data—reaching the exabyte range (a billion gigabytes).

The researchers, led by Caltech, the University of Victoria, and the University of Michigan, together with Brookhaven National Lab, Vanderbilt University, and other partners, demonstrated their achievement at the SuperComputing 2012 (SC12) conference, November 12–16 in . They used wide-area network circuits connecting Caltech, the University of Victoria Computing Center in British Columbia, the University of Michigan, and the Salt Palace Convention Center in Utah. While setting the records, they also demonstrated other state-of-the-art methods such as software-defined intercontinental networks and direct interconnections between computer memories over the network between Pasadena and Salt Lake City.

"By sharing our methods and tools with scientists in many fields, we aim to further enable the next round of scientific discoveries, taking full advantage of 100-Gbps networks now, and higher-speed networks in the near future," says Harvey Newman, professor of physics at Caltech and the leader of the team. "In particular, we hope that these developments will afford physicists and students throughout the world the opportunity to participate directly in the 's next round of discoveries as they emerge."

As the demand for "Big Data" continues to grow exponentially—both in major science projects and in the world at large—the team says they look forward to next year's round of tests using network and data-storage technologies that are just beginning to emerge. Armed with these new technologies and methods, the Caltech team estimates that they may reach 1 terabit-per-second (a thousand gbps) data transfers over long-range networks by next fall. 

More information about the demonstration can be found at supercomputing.caltech.edu/.

Explore further: 186 gigabits per second: High-energy physicists set record for network data transfer

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not rated yet Nov 24, 2012
data-transfer speed


Whenever I read about a record breaking data communication I wonder about what steps they would propose to handle the data at the end points. The rates far exceed the capacity of ordinary disks, backplanes/busses, and LANs.
1 / 5 (1) Nov 24, 2012
Bytes = bits divided by 8.
Therefore Gigabyte throughput should be 42.375GB/s, not 4GB/s.
Who does the math on these articles?
not rated yet Nov 24, 2012
Interesting observation made by possible by Physorg's "Related articles" section.

In 2004 , the "Internet Land-Speed Record" was 6.63 Gb/s (http://phys.org/n...ml#nRlv)
5 / 5 (1) Nov 25, 2012
charlesmiller000, 42.375 GB/s x 60 x 60 x 24 = 3,628,800 GB/day, which while not exactly 4 million is at least in the ballpark. I'm guessing you missed the "million".
not rated yet Nov 25, 2012
To cdt: You are correct; I missed the million GB/DAY. Thanks.
not rated yet Nov 26, 2012
@alfie_null, such speeds are only necessary along the tier one provider trunk lines, once they branch out into geographically localised exit points, the data rate will have been significantly reduced.
1 / 5 (2) Nov 27, 2012
Wow, imagine what could happen if every TeraBitPerSecond service package came with a mandatory "Open Mosix" software applet that you were required to install on your PC? Could you imagine the potential of a planet scale super-cluster transferring data at speeds that far exceed that of a normal computer motherboard bus? We could have the entire human genome mapped within a year at least!
not rated yet Nov 27, 2012
Now if only the file transfer protocols out there could keep up. Try transferring data using any TCP based protocol on that link with a few milliseconds of latency.

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