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New Internet Speed Records Set

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  • From: "Lauren B. Kallens" <>
  • To: <>
  • Subject: New Internet Speed Records Set
  • Date: Wed, 4 May 2005 10:43:11 -0400


University of Tokyo team set new performance threshold for long-distance
data transfer using IPv4, Caltech and CERN team set new mark using next
generation Internet protocol

Arlington, VA - May 4, 2005 - Internet2R today announced that two separate
international teams have each set new Internet2 Land Speed Records (I2-LSR)
in both the IPv4 and IPv6 categories. As an open and ongoing competition for
the highest-bandwidth, end-to-end networks, Internet2 LSR marks represent
the rate at which data is transferred multiplied by the distance traveled.

IPv4 Single and Multi-Stream Record
A team from University of Tokyo, the Japanese WIDE Project, Chelsio
Communications, Fujitsu Computer Technologies, LTD, NTT Communications,
APAN, JGN2, SURFnet, CANARIE, IEEAF, Pacific Northwest Gigapop, StarLight
and Universiteit van Amsterdam has set a new record in the Internet2 Land
Speed Record (I2-LSR) competition in the IPv4 category. The new records in
the IPv4 Single-Stream and Multi-Stream categories were set by transferring
7.21 gigabits of data per second (Gbps) across a network path spanning a
distance nearly three-quarters the circumference of the Earth - 30,000
kilometers long. The data traversed the WIDE, APAN, JGN2, IEEAF, CANARIE,
SURFnet, and Abilene networks. Achieving a mark of 216,300 terabit-meters
per second (Tb-m/s), the team surpassed the existing Single-Stream record by
over 66,000 Tb-m/s and the previous Multi-Stream record by over 30,000

The team utilized an "Inter-layer coordinating optimization" technology
developed by the Data Reservoir project at the University of Tokyo and used
10 Gbps Ethernet adapters with TCP offloading capabilities by Chelsio

For more information about the IPv4 record-setting attempt, see:

IPv6 Single and Multi-Stream Record
Using the next generation Internet protocol IPv6, a team from the California
Institute of Technology (Caltech) and CERN set a new mark in the I2-LSR's
IPv6 Single and Multi-Stream categories. The team set the record by
transferring 5.11 gigabits of data per second (Gbps) across a network path
of more than 14,000 kilometers. The mark of 72,225 Tb-m/s nearly doubled the
previous IPv6 mark.

The record was set with the support of the National Center for Data Mining
(NCDM), Cisco Systems, and Neterion.

For more information about the IPv6 record-setting attempt, see:

Both record-setting teams received awards at a special ceremony held during
the Internet2 Spring 2005 Member Meeting - May 2-4, 2005 in Arlington,

Details of past winning entries, complete rules, submission guidelines, and
additional details are available at:

About Internet2(R)
Led by more than 200 U.S. universities working with industry and government,
Internet2 develops and deploys advanced network applications and
technologies for research and higher education, accelerating the creation of
tomorrow's Internet. Internet2 recreates the partnerships among academia,
industry, and government that helped foster today's Internet in its infancy.
For more information, visit:

Media Contact:
Lauren Kallens


  • New Internet Speed Records Set, Lauren B. Kallens, 05/04/2005

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