AboveNet Expands Core Network with Juniper Networks T-series Routers

T-Series Enable Premier Metro Access Provider to Introduce New Layer 2 and Layer 3 MPLS-based VPN Services

SUNNYVALE, Calif., December 19, 2006 - Juniper Networks, Inc. (NASDAQ: JNPR) today announced that AboveNet, Inc, a provider of fiber based connectivity solutions for businesses and carriers, has begun upgrading the capacity of its nationwide Tier 1 IP network backbone with Juniper Networks T-series core routers. AboveNet’s private optical network delivers key network and IP services in and between 14 top U.S. metro markets and London. The Juniper Networks T-series will both enhance the capacity of AboveNet’s network and its existing Layer 2 eWAN service, and enable it to introduce new services such as Layer 3 MPLS-based VPN Services.

“We have begun upgrading our core network with state-of-the-art technology to ensure we can continue to scale to meet our customers’ growing traffic demands and introduce new services, while maintaining our industry-leading reliability and performance,” said Rajiv Datta, AboveNet’s Chief Technology Officer. “We are expanding with Juniper’s flagship T-series to enable us to make this transition and to deliver innovative services to our customers with the reliability they expect from AboveNet.”

The Juniper Networks T-series is the industry’s most proven core routing platform, with over 2000 units deployed in customer networks worldwide. The T-series leverages Juniper Networks’ unique multi-chassis TX Matrix technology, allowing service providers to scale to multi-terabit rates non-disruptively and without the risks associated with introducing new equipment or operating systems. The combination of unmatched system scale, reliability and performance makes the T-series the ideal core platform for large scale deployments in the world’s most demanding networks.

“With many of the country’s largest content providers, enterprises, and Internet Service Providers relying on AboveNet for their network services, network reliability and availability can have significant financial effects for AboveNet’s customers,” said Kim Perdikou, executive vice president, Infrastructure Products Group and general manager, Service Provider Business Team, Juniper Networks. “With the Juniper Networks T-series powering AboveNet’s IP network, they benefit from the reliability, consistency and stability of JUNOS, and have an agile, open and customized network that they can leverage to deliver new services to meet customer needs. Juniper is pleased to be an important component of AboveNet’s continued commitment to provide its customers’ with an uncongested, low latency and high quality network.”
About AboveNet, Inc.

AboveNet, Inc. provides fiber connectivity solutions for businesses. Its private optical network delivers key network and IP services in and between 14 top U.S. metro markets and London. AboveNet’s network is widely used in demanding markets such as financial services, media, health care, retail and government. For more information on AboveNet, please go to our website at www.above.net.
About Juniper Networks, Inc.

Juniper Networks develops purpose-built, high performance IP platforms that enable customers to support a wide variety of services and applications at scale. Service providers, enterprises, governments and research and education institutions rely on Juniper to deliver a portfolio of proven networking, security and application acceleration solutions that solve highly complex, fast-changing problems in the world’s most demanding networks. Additional information can be found at www.juniper.net.

Juniper Networks and the Juniper Networks logo are registered trademarks of Juniper Networks, Inc. in the United States and other countries. JUNOS is a trademark of Juniper Networks, Inc. All other trademarks, service marks, registered trademarks, or registered service marks are the property of their respective owners.

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Juniper Networks, Inc.

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