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Chelsio’s High Performance Programmable 10G Ethernet Adapters Set New LAN Distance and Bandwidth Records

November 29, 2004

SUNNYVALE, Calif., Nov. 29 /PRNewswire/ — Chelsio Communications, Inc., the established leader in 10-Gigabit Ethernet server adapters and protocol acceleration technology, provided the critical technology to set new world records for LAN bandwidth and distance, dominating the annual Bandwidth Challenge competition at the Supercomputing 2004 conference in Pittsburgh earlier this month.

The University of Tokyo shattered the world record for speed and distance of Internet communication, sending standard 1500 byte Ethernet packets more than 31,000 kilometers at more than 7 gigabits per second totaling 225,000 terabyte meters per second to win the SC2004 Bandwidth Challenge award for single stream distance and bandwidth.

The Stanford Linear Accelerator Center (SLAC), together with its partners, achieved the highest aggregate bandwidth ever recorded to win the SC2004 Bandwidth Challenge award for sustained bandwidth, delivering 101 gigabits per second, which quadruples the previous throughput record set a year ago.

Chelsio’s T110 10GbE Protocol Engine provided the TCP/IP offload technology breakthrough used in both the University of Tokyo’s and SLAC’s bandwidth challenge demonstrations, dramatically improving application performance. By offloading processor-intensive networking and storage protocol stacks from overburdened processors, Chelsio can process 10 Gigabit Ethernet and return processing cycles to the application to enhance overall system performance. With an application-to-application latency of less than 10 microseconds, the T110 adapter enables 10Gb Ethernet to be deployed in a wider range of data center and grid computing applications in the enterprise. The ubiquitous Ethernet technology will quickly make possible a dramatically lower total cost of ownership by leveraging existing resources, such as applications and management tools, and IT networking expertise.

Chelsio and the University of Tokyo Shatter Distance and Speed Record

The University of Tokyo established a new distance and speed record, sending standard 1500 byte Ethernet packets 31,248 kilometers from the exhibition in Pittsburgh through Tokyo to the CERN research facility in Geneva, Switzerland. This demonstration shatters the previous record by more than 80%.

“The TCP/IP offload capability of Chelsio’s T110 is the first in the world to enable very high-speed, reliable TCP data transfer between very distant places. Our world record achievement could not have been realized without the flexibility and reliability of the T110 protocol engine,” said Professor Kei Hiraki, chairman of the Computer Science Department at the University of Tokyo and leader of the Japanese Data Reservoir project. “Achieving such high performance using standard 1500-byte Ethernet packets is very important for practical use of this technology since use of larger, non-standard Jumbo packets on the internet has compatibility and reliability issues.”

The data transfer was achieved between a pair of data-sharing Opteron systems from the Data Reservoir project, one server placed at the SC2004 exhibition booth of the University of Tokyo and another at CERN, each equipped with a Chelsio T110 10 Gigabit Ethernet adapter supporting TCP/IP offload. A transfer rate of 7.21 Gbps was sustained for more than 15 minutes using a single TCP stream and standard 1500-byte Ethernet frames over the 31,248 kilometer link.

The combined bandwidth times distance value is a new world record at 225,298 terabit meters per second and is 80% greater than the Internet2 Land Speed Record of 124,935 terabit meters per second. At this transfer rate and distance, a full-length DVD can be transferred anywhere on the earth in less than five seconds.

Chelsio and the Stanford Linear Accelerator Center Set New Bandwidth Record

SLAC teamed up with CalTech, Fermilab, CERN, the University of Manchester, Sun Microsystems and Chelsio to aggregate and transfer large sets of data. Using a total of ten 10 gigabit links, the team successfully transferred an aggregate of 101 Gbps of data to many host labs and research institutions around the world. This shattered the previous record of 23 gigabits per second, set at the SC2003 conference, and exceeded the sum of all the throughput marks submitted in the present and previous years by other Bandwidth Challenge entrants. With 101Gbps throughput one could transfer all the books and other printed materials at the Library of Congress in under 15 minutes, or the equivalent of three full-length DVD movies in about one second.

“Our tests showed that the TCP Offload Engine (TOE) interfaces performed reliably on uncongested local and trans-continental networks, achieving TCP throughputs with 1500 byte packets that were limited only by the bus bandwidth of the computers. Using two computers at each end, we were able to utilize all the bandwidth of a 10 gigabit per second path. The TOE also successfully reduced the CPU utilization by about a third compared to a non-TOE 10 gigabits per second network interface,” said Dr. Les Cottrell, assistant director of SLAC’s Computing Services and leader of the SLAC Bandwidth Challenge team.

Chelsio’s T110 10 Gigabit Ethernet adapters with full TCP/IP offload were used on many of the links and achieved 7.72 gigabits per second throughput in one direction on one of the links.

The experiment provided a preview of the globally distributed Grid system that is now being developed in the US and Europe in preparation for the next generation of high energy physics experiments at CERN’s Large Hadron Collider (LHC), scheduled to begin operation in 2007. The largest physics collaborations at the LHC, CMS and ATLAS, each encompass more than 2,000 physicists and engineers from 160 universities and laboratories spread around the globe. Optical networks incorporating multiple 10 Gigabit per second links are the foundation of the Grid system that will drive new scientific discoveries and lead to new models for how research and business is performed. Scientists will be empowered to form “virtual organizations” on a planetary scale, sharing in a flexible way their collective computing and data resources, leading to the deployment of a new generation of revolutionary Internet applications.

“This is a breakthrough for the development of global networks and Grids, as well as inter-regional cooperation in science projects at the high energy frontier. We demonstrated that multiple links of various bandwidths, up to the 10 Gbps range can be used effectively over long distances,” said Harvey Newman, professor of Physics at Caltech. “There are profound implications for how we could integrate information sharing and on-demand audiovisual collaboration in our daily lives, with a scale and quality previously unimaginable.”

About Chelsio Communications

Chelsio Communications is leading the convergence of networking, storage and clustering interconnects with its robust, high-performance and proven protocol acceleration technology. Featuring a highly scalable and programmable architecture, Chelsio is shipping 10-Gigabit Ethernet adapter cards with protocol offload, delivering the low latency and superior throughput required for high-performance computing applications. For more information, visit the company online at http://www.chelsio.com/.

Chelsio Communications, Inc.

CONTACT: Randy Smith of Chelsio Communications Inc., +1-408-962-3681, orrandy.smith@chelsio.com; or Tim Helms of Helms Communications Inc.,+1-925-606-6936, or timhelms@comcast.net, for Chelsio Communications Inc.

Web site: http://www.chelsio.com/




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