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Juniper Networks Extends High-Performance Steel-Belted Radius Platform with WiMAX Support to Accelerate Mobile Service Model Innovation

With Support for Mobile WiMAX, Enhanced Steel-Belted Radius Carrier AAA Server Will Provide Unified Platform that Reliably and Efficiently Supports Broad Range of Mobile Services

SUNNYVALE, Calif., March 25, 2008 - Juniper Networks, Inc. (NASDAQ: JNPR), the leader in high-performance networking, today introduced support for WiMAX broadband wireless networks with its Service Provider Steel-Belted Radius (SBR) Authentication, Authorization and Accounting (AAA) Server. With mobile WiMAX support, Juniper's SBR Carrier AAA Server will provide a single, unified multi-access AAA system that delivers the flexibility to serve the rapidly evolving mobile landscape, and will enable providers to accelerate the delivery of new services while leveraging existing network assets.

WiMAX is a next-generation mobile broadband technology that offers dramatically improved range and capacity over traditional wireless technologies, however mobile WiMAX places extraordinary demands on Authentication, Authorization and Accounting (AAA) systems, which need to support multiple Extensible Authentication Protocol (EAP) methods; manage mobile IP sessions; and facilitate roaming. Juniper's SBR Carrier AAA solution will address these challenges by supporting the methods required by the WiMAX standard for authenticating users and devices (EAP-TLS, EAP-TTLS and EAP-AKA), as well as legacy technologies such as EAP-SIM for backward compatibility - on a single, unified platform. With its mobile IP key derivation and management functionality, the SBR Carrier AAA Server will also have the intelligence to set up mobile IP sessions; manage mobile sessions throughout their lifetimes; and support roaming in both home and visited networks.

The Juniper Networks Steel-Belted Radius family of high-performance RADIUS servers is a core component of many mobile operator networks, providing centralized user authentication and access policy management, with the performance and reliability required by the world's largest mobile operators. Juniper Networks SBR servers give mobile operators control over how users access and use their networks - preventing unauthorized access, ensuring that users comply with security policies before they connect, granting the appropriate level of access to each user, and delivering accounting records to a billing/tracking system. More than 120 service providers worldwide rely on Juniper's SBR today to meet their mission-critical AAA needs. With its scalability, reliability, flexibility, and high performance, Juniper's SBR Carrier AAA Server will offer strategic value to service providers seeking to support mobile WiMAX services.

"By delivering high throughput, always-on access to content rich applications and broadband wireless services, WiMAX represents an enormous opportunity for many mobile operators, and Juniper's Advanced Mobile Solutions can help operators to accelerate the delivery of WiMAX and other advanced mobile services," said Mallik Tatipamula, vice president, mobile/FMC Business, Juniper Networks. "The enhanced SBR Server platform is another example of Juniper's service-enabling network infrastructure that expands and accelerates service model innovation by enabling providers to rapidly and cost-effectively introduce new services such as WiMAX."

Support for mobile WiMAX is expected to be generally available as a separate software module for SBR Carrier AAA server in Q3 2008.

About Juniper Networks

Juniper Networks, Inc. is the leader in high-performance networking. Juniper offers a high-performance network infrastructure that creates a responsive and trusted environment for accelerating the deployment of services and applications over a single network. This fuels high-performance businesses. Additional information can be found at 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.

This press release contains statements which may be considered forward-looking within the meaning of the U.S. federal securities laws, including statements relating to the expected future availability and benefits of Juniper Networks products. These statements are subject to known and unknown risks, uncertainties and other factors that may cause actual achievements to differ from those expressed or implied in this press release, including unforeseen delays or other risks associated with the product development and release process. Additional information concerning these and other risk factors is contained in the Risk Factors sections of Juniper Networks' Form 10-K for the year ended December 31, 2007. Juniper Networks assumes no obligation to update any forward-looking information contained in this press release.