SUNNYVALE, California, May 18 /PRNewswire/ --

- Frost Sullivan Research Declares Spirent as the Market Leader in Enterprise Network Test Measurement Solutions for Research and Evaluation Labs

Spirent Communications plc (http://www.spirent.com/ ) (LSE: SPT), a leader in network, service and device testing, has been recognized by Frost Sullivan (http://www.frost.com/ ) as the leader in enterprise network test and measurement solutions for research and evaluation labs. According to Frost Sullivan's recent report that surveyed the enterprise network system testing and monitoring solutions market, Spirent maintained its leadership position with more the one-third of the market share in the research and evaluation lab segment.

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This award validates Spirent's commitment to delivering test solutions that address the technological innovations of today's and tomorrow's enterprise networks. Furthermore, it is a testament to customers' trust in Spirent's enterprise network test solutions suite. This award adds to Spirent's long list of industry recognitions, market firsts and customer testimonials. Spirent is a trusted partner and test equipment vendor of choice for the world biggest network equipment manufacturers. Fortune 1000 companies as well as system vendors repeatedly turn to Spirent to architect best-in-class systems and networks for 10/40/100G Ethernet, Fibre Channel over Ethernet (FCoE), virtualized and cloud computing based data centers and High Speed Ethernet (HSE) based applications.

Spirent is clearly a pioneer in the enterprise testing space with a wide range of solutions that enable the validation of advanced data centers before deployment, said Olga Yashkova, industry analyst, Frost Sullivan. Its foray into virtualization comes at a time when the operators of data centers are seeking ways to operate more efficiently and more cost-effectively. Spirent's efforts allow enterprises and equipment vendors alike to achieve their goals while reducing their long-term operating and capital costs.

Spirent's professional services team, previously recognized by Frost Sullivan as the industry's best, coupled with a portfolio of award-winning products including Spirent TestCenter(TM), Spirent HyperMetrics(TM), Spirent TestCenter Virtual and Spirent Avalanche delivers a unique holistic approach to data center testing. The company's ability to bring ground-breaking technologies to the market such as the recently announced Spirent TestCenter(TM) Virtual remains at the heart of this market recognition.

Spirent's continued position as the world leader in the test and measurement market is a result of our commitment to delivering solutions that enable our customers to successfully develop products and services that are not only technologically superior, but offer the highest return on their investment said Bill Burns, CEO of Spirent Communications. I am honored to accept this prestigious award as it validates our investment into creating innovative products that advance enterprise networking and data center technologies.

About Frost Sullivan

Frost Sullivan, the Growth Partnership Company, enables clients to accelerate growth and achieve best in class positions in growth, innovation and leadership. The company's Growth Partnership Service provides the CEO and the CEO's Growth Team with disciplined research and best practice models to drive the generation, evaluation and implementation of powerful growth strategies. Frost Sullivan leverages over 45 years of experience in partnering with Global 1000 companies, emerging businesses and the investment community from more than 35 offices on six continents. To join our Growth Partnership, please visit http://www.frost.com.

About Spirent Communications plc

For more information visit http://www.spirent.com/news/about_spirent.cfm

Sailaja Tennati of Spirent Communications, +1-770-432-3225, sailaja.tennati@spirent.com / LOGO: http://www.newscom.com/cgi-bin/prnh/20090220/SPIRENTLOGO