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Time Warner Telecom Delivers Largest U.S. VPLS Deployment with Juniper Networks

Multi-Point Extended Native LAN, Based on M-series Multiservice Routing Platform, Drives Efficiencies, Lowers Total Cost of Ownership and Eases Network Management for Customers

SUNNYVALE, Calif., July 16, 2004 - Juniper Networks, Inc. (Nasdaq: JNPR) and Time Warner Telecom (Nasdaq:TWTC) today announced that the Juniper Networks M-series Multiservice Routing Platform is a foundation for Time Warner Telecom's new extended metro Ethernet services, including Multi-point Extended Native LAN, which is the largest Virtual Private LAN Service (VPLS) deployment in the U.S. The extended metro Ethernet service connects the local capabilities of Time Warner Telecom's Native LAN service to other cities around the country. It is now available in the 44 U.S. metropolitan areas that Time Warner Telecom serves with its powerful fiber networks.

Time Warner Telecom leveraged its installed base of M10 and M20 routing platforms to deliver its new VPLS service using IP/MPLS to provide a multipoint-to-multipoint Ethernet service between multiple enterprise sites in geographically dispersed locations. This is the first large scale inter-metro native LAN service deployed that enables customers in different cities throughout the U.S. to appear to be on the same Ethernet-based Local Area Network. This can be achieved because VPLS utilizes the scalability and resiliency of IP/MPLS to carry transparent LAN services between metropolitan areas, which standard Ethernet equipment cannot support. Time Warner Telecom also uses Juniper Networks Gigabit Ethernet IQ PICs to provide rich per VLAN Quality of Service (QoS) to support prioritized voice, video and other mission critical traffic over their network.

Last month at SUPERCOMM, Time Warner Telecom announced that First Citizens Bank, based in Raleigh, N.C. is using its fully meshed Multi-point Extended Native LAN service to connect a main bank location in Charlotte and a back-office location in Columbia, S.C., with its headquarters in Raleigh. The service transmits financial and other data transactions seamlessly among the three locations over 10 and 20 Mbps Ethernet ports, which are scalable to 100 Mbps.

"In the event of a major problem with our network, the Extended Native LAN technology will eliminate manual intervention and decrease our recovery time in providing infrastructure services to support business continuity," said Jennifer Varron, vice president and manager of network operations for First Citizens Bank.

Time Warner Telecom offers a full suite of Native LAN metro Ethernet solutions, including point-to-point and multi point configurations. In addition to its Extended Native LAN service, Time Warner Telecom is deploying Layer 2 VPNs and Layer 3 VPNs, as well as QoS for voice services on the same M-series platforms, supporting a unified IP/MPLS infrastructure - or Infranet. All VPN types leverage the BGP protocol, which lowers operational costs via reduced training and performs automatic discovery of other platforms in each VPN, and auto-provisions MPLS connectivity to those platforms. Both auto-discovery and auto-provisioning are especially critical in multipoint-to-multipoint VPNs such as VPLS and 2547 VPNs.

"The M-series routing platforms enable us to deliver high-speed native connectivity more efficiently and cost effectively for enterprise customers," said Graham Taylor, senior vice president of marketing for Time Warner Telecom. "The M-series enables us to deliver the full suite of VPN services on a single platform, which saves both capital and operational expenditures because it is unnecessary to deploy separate edge devices for each VPN service."

"We enable our customers to provide the assured performance, reliability and security of Infranets with the industry's most comprehensive suite of VPN offerings," said Christine Heckart, vice president of marketing, Juniper Networks. "We're proud to be working with Time Warner Telecom to enable these leading-edge services."

About Time Warner Telecom

Time Warner Telecom, headquartered in Littleton, CO, is a leading provider of managed network solutions to a wide array of businesses and organizations in 44 U.S. metropolitan areas that require telecommunications intensive services. One of the country's premier competitive telecom carriers, Time Warner Telecom integrates data, dedicated Internet access, and local and long distance voice services for long distance carriers, wireless communications companies, incumbent local exchange carriers and such enterprise organizations as healthcare, finance, higher education, manufacturing, hospitality, state and local government, and military. Please visit www.twtelecom.com for more information.

About Juniper Networks, Inc.

Juniper Networks transforms the business of networking by creating competitive advantage for our customers with superior networking and security solutions. Juniper Networks is dedicated to customers who derive strategic value from their networks, including global network operators, enterprises, government agencies and research and educational institutions. Juniper Networks' portfolio of networking and security solutions supports the complex scale, security and performance requirements of the world's most demanding mission critical networks. Additional information can be found at www.juniper.net.

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M-series, M10, M20 and JUNOS are trademarks of Juniper Networks, Inc.