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Lightower Fiber Networks Expands High-Performance Infrastructure with Juniper Networks MX Series Ethernet Services Routers

Leading Network Provider in Northeastern US Selects Juniper to Increase Network Capacity while Improving Performance and Reliability

SUNNYVALE, Calif., April 30, 2009 - Juniper Networks, Inc. (NASDAQ: JNPR), the leader in high-performance networking, today announced that Lightower Fiber Networks, a leading digital fiber network and broadband service provider in the northeast United States, has expanded its network with Juniper Networks MX Series Ethernet Services Routers. By extending the reach of its network and upgrading legacy infrastructure with the MX Series, Lightower can flexibly deliver multiple types of services on a single converged infrastructure - leveraging the powerful, consistent JUNOS® software - while at the same time improving operational efficiency, service reliability and scale.

Based on lab tests performed in conjunction with Juniper, Lightower estimates that the use of optimized IP/MPLS in its Carrier Ethernet networks will provide transit times measurably faster than other approaches such as pure Layer 2, while also providing superior traffic management and resiliency. Fast transit times, recovery and high availability are crucial for Lightower customers, such as financial institutions, when network downtime or lags can result in significant expense or lost business. By converging its network on Juniper’s MX Series, Lightower can significantly reduce the risk of network downtime.

“As we continue to expand, we needed a platform that could reliably support multiple service types on a single platform, while delivering superior performance, reliability and restoration times,” said Jason Campbell, senior vice president, Lightower Fiber Networks. “The MX Series enables us to monetize our network, reducing costs while at the same time enabling us to introduce new services quickly and cost-effectively. Having a single network that combines the simplicity and consistency of JUNOS with the powerful MX Series performance provides us with a big advantage.”

Lightower is using the virtualization capabilities of the MX Series to maintain separation between different types of services running on the same router, enabling convergence of network services and functionality, while maintaining the appropriate levels of administrative separation. The superior virtualization capabilities on the MX Series enable Lightower to reduce network operations costs, improve efficiency and simplify network management.

Lightower Fiber Networks provides mission critical connectivity solutions to a wide range of industries, including international and domestic telecom carriers, municipal government, finance, education, health care, media and high-tech companies. During the past decade, Lightower has constructed over 3,800 route miles of fiber including dark fiber rings, long haul and building laterals. The Lightower fiber network extends from southern New Hampshire to Massachusetts and Rhode Island, to eastern New York State, western Connecticut, New Jersey, Long Island and Manhattan.

Juniper Networks MX Series is a family of high-performance Ethernet Services Routers with powerful switching features that deliver unmatched flexibility and reliability to support advanced services and applications. Consisting of the MX960, MX480 and MX240, the MX Series Ethernet Services Routers provide high port-density routing and switching in a range of highly efficient, high-performance hardware platforms, enabling service providers to reduce power, space and cooling costs by as much as 50 percent. The MX Series leverages JUNOS software, a single source operating system integrating routing, switching, security and network services from Juniper Networks.

“Innovative service providers such as Lightower are upgrading their infrastructure with a flexible, highly scalable and service-enabling Juniper solution to lay the foundation for many years of profitable growth,” said Wendy Cartee, vice president of marketing, Edge and Aggregation Business Unit, Juniper Networks. “The MX Series Ethernet Services Routers allow service providers to increase the value of their networks and ensure long-term investment protection by providing superior efficiency, scalability and performance.”

About Lightower Fiber Networks

Lightower Fiber LLC is a leading digital fiber network and broadband service provider in the Northeast, offering 4,000 fiber route miles coupled with comprehensive transport and last mile services. Lightower Fiber’s geographic footprint extends from southern New Hampshire to Massachusetts and Rhode Island, to eastern New York State, western Connecticut, northern New Jersey. Long Island and Manhattan. Lightower Fiber is headquartered in Boxborough, MA. www.lightower.com

About Juniper Networks

Juniper Networks is in the business of network innovation. From devices to data centers, from consumers to cloud providers, Juniper Networks delivers the software, silicon and systems that transform the experience and economics of networking. Additional information can be found at Juniper Networks (www.juniper.net).

Juniper Networks and Junos are registered trademarks of Juniper Networks, Inc. in the United States and other countries. The Juniper Networks and Junos logos are trademarks of Juniper Networks, Inc. All other trademarks, service marks, registered trademarks, or registered service marks are the property of their respective owners.