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Tokyo University Sets Bandwidth Record at SC2003 with Juniper Networks

Japanese Research Team Exceeds 7.5 Gbps Between Japan and the USA with T320 Platform

SUNNYVALE, Calif., November 26, 2003 - Juniper Networks, Inc. (Nasdaq: JNPR) today announced that a new bandwidth speed record between Japan and the United States was set by Tokyo University using its T320 platform at the SC2003 High Performance Network and Computing Conference in Phoenix, Arizona.

The university's Department of Computer Science, Graduate School of Information Science and Technology, won the Maximum Bandwidth Distance Product Award in the conference's Bandwidth Challenge. The university team recorded a maximum bandwidth of 7.56 Gbps over a 24,000 kilometers (15,000 mile) route that crossed the Pacific Ocean three times between the U.S. and a university site in Tokyo. The team won the category at a speed of 181,440 terabit-meter/second by combining hardware and software technologies to resolve latency over TCP.

"This new record shows that the basic technology has been established to support scientific research projects using ultra-high-speed networks between Japan and Europe or the U.S.," said Professor Kei Hiraki, Ph.D., head of the Tokyo University Department of Computer Science.

"This is particularly exciting for projects that share large amounts of experimental or observational data. We see this achievement as a contribution to the worldwide effort to realize networks that have never before been available."

Professor Hiraki said his team chose the T320, which was installed in Tokyo and supported by network solution partner Net One Systems, for its performance advantages and IPv6 features and also because the Internet2's Abilene network relies on Juniper Networks platforms.

SCinet, the state-of-art, on-site network designed and built especially for the annual SC conference, was also built with Juniper Networks core routing platforms. The T640 and T320 platforms formed the core of the network, which handled all SC2003 network traffic, including supercomputer applications being run by researchers participating in the conference.

About The University of Tokyo, Department of Computer Science, Graduate School of Information Science and Technology

The University of Tokyo, Department of Computer Science, Graduate School of Information Science and Technology is researching Data Reservoir. Data Reservoir is a data sharing system that uses very high-speed internet connections (up to 100Gbps) between distant locations. The Data Reservoir utilizes the low-level iSCSI protocol and has file system transparency. Parallel data transfer with hierarchical data striping is a key factor in achieving full bandwidth of the high speed network. The system has two nodes that are connected by a 10Gbps link, and each node consists of dozens of 1U IA-servers and a 10Gbps-capable switch. Our software environment is RedHat Linux and uses NFS and the iSCSI driver.

About Net One Systems Co., Ltd.

Net One Systems has been assessing the latest trends in cutting edge technology, such as focusing on IP ahead of others, and providing network systems by adding high quality technology services to self-selected and verified products. Net One Systems provides a one-stop solution with high added value through the strength of advanced network technology and an enhanced support structure. Nationwide, there are 75 service bases, including technical centers and quality control centers, and 12 business offices. In December 2001, it was listed on the First Section of the Tokyo Stock Exchange. Additional information can be found at http://www.netone.co.jp/.

About Juniper Networks, Inc.

Juniper Networks transforms the business of networking by converting a commodity - bandwidth - into a dependable, secure and highly valuable corporate asset. Founded in 1996 to meet the stringent demands of service providers, Juniper Networks is now relied upon by the world's leading network operators, government agencies, research and education institutions, and information-intensive enterprises as the foundation for uncompromising networks. The Infranet Initiative uses Juniper Networks MINT (Model for InfraNet Transformation) as its underlying framework. Juniper Networks is headquartered in Sunnyvale, California. Additional information can be found at www.juniper.net.

Juniper Networks is registered in the U.S. Patent and Trademark Office and in other countries as a trademark of Juniper Networks, Inc. ERX, ESP, E-series, Internet Processor, J-Protect, JUNOS, JUNOScript, JUNOSe, M5, M7i, M10, M10i, M20, M40, M40e, M160, M-series, NMC-RX, SDX, T320, T640, and T-series are trademarks of Juniper Networks, Inc. All other trademarks, service marks, registered trademarks, or registered service marks are the property of their respective owners.