Juniper Networks Positioned in the Leaders’ Quadrant of WAN Optimization Controllers Magic Quadrant

Company Evaluated on Vision, Execution and Product Breadth

SUNNYVALE, Calif. - October 9, 2006 - Juniper Networks, Inc. (Nasdaq: JNPR) today announced it has been positioned in the “Leaders” quadrant of Gartner’s recently released report: Magic Quadrant for WAN Optimization Controllers, 2006. A leading worldwide research and advisory firm, Gartner evaluated vendors according to a strict set of criteria focused on vision, ongoing execution and product breadth.

According to Gartner, leaders are vendors that are performing well today, have a clear vision of market direction, and are actively building competencies to sustain their leadership position in the market. In the report, Andy Rolfe, research director, and Joe Skorupa, research VP, state, “Leaders exhibit an ability to shape the market by introducing additional capabilities in its product offering and by raising the awareness of the importance of these features. We expect a leader to be growing market share, or the market as a whole, and to have solutions that resonate with an increasing number of enterprises. Leaders in the WOC market need to have a broad feature set, including QoS, generic compression, protocol acceleration and file system acceleration, with the majority of features proven in substantial real-world implementations. They also need to be able to offer sales and support on a global basis.”

“Given the crowded and competitive field of entrants that Gartner considered for this report, we are especially proud of our positioning in the leaders’ quadrant,” said Michael Banic, senior director, Applications Products Group, Juniper Networks. “The success of our application acceleration platforms speaks as much of the team that delivered these products as it does of the superiority of the products themselves.”
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, NetScreen and the Juniper Networks logo are registered trademarks of Juniper Networks, Inc. in the United States and other countries. All other trademarks, service marks, registered trademarks, or registered service marks are the property of their respective owners.

Note 1 - The Magic Quadrant is copyrighted October 2006 by Gartner, Inc. and is reused with permission. The Magic Quadrant is a graphical representation of a marketplace at and for a specific time period. It depicts Gartner’s analysis of how certain vendors measure against criteria for that marketplace, as defined by Gartner. Gartner does not endorse any vendor, product or service depicted in the Magic Quadrant, and does not advise technology users to select only those vendors placed in the “Leaders” quadrant. The Magic Quadrant is intended solely as a research tool, and is not meant to be a specific guide to action. Gartner disclaims all warranties, express or implied, with respect to this research, including any warranties of merchantability or fitness for a particular purpose.

Note 2 - report is titled, “WAN Optimization Controllers Magic Quadrant 2006” - Andy Rolfe, Joe Skorupa. Published: October 4, 2006

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Roger T. Fortier

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Juniper Networks, Inc.

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