ATLANTA --(Business Wire)-- Concurrent (NASDAQ:CCUR), a leading provider of time-critical Linux(R) operating systems, integrated software and computer solutions for mission-critical applications, today announced that it has released a new version of its popular RedHawk(TM) Linux real-time operating system, RedHawk Linux 5.1. RedHawk Linux is widely used in time-critical applications in simulation and training, data acquisition, imaging, financial services and process control. RedHawk guarantees that a user-level application can respond to an external event in less than 30 microseconds.

New features in RedHawk Linux 5.1 include:

-- Non-uniform memory architecture (NUMA) performance optimization

-- 2.6.23 Linux Kernel

-- Full compatibility with Red Hat(R) Enterprise 5.1

-- Support for the latest Intel(R) and AMD(R) quad-core processors and chipsets

-- User-level (UIO) device driver support

-- The latest NVIDA graphics drivers optimized for real-time performance

-- New lockless kernel trace feature for enhanced real-time debugging and performance analysis

"Version 5.1 reinforces RedHawk as the leading Linux distribution for hard real-time applications," said Vince Hauber, Sr. Product Manager, Linux Systems for Concurrent. "Our on-going support of emerging technologies allows us to offer our customers the most cost-effective, high-performance, real-time solutions."

RedHawk Linux 5.1 dramatically improves the determinism of real-time processes in non-uniform memory architecture Opteron(TM)-based systems. RedHawk ensures that all pages of a real-time process are local to a given node and that no other process' pages are using that same node. RedHawk can automatically duplicate libraries and other modules as needed and maintain them simultaneously in multiple nodes to maximize performance.

Support for the latest Intel and AMD quad-core processors and chipsets provides for more computing power in smaller, more cost effective, energy efficient packages than previously possible. RedHawk 5.1 supports user-level (UIO) device drivers which allow developers to implement a user-space, non-kernel driver for almost any type of hardware. RedHawk also includes the latest available NVIDIA graphics driver specially optimized for real-time performance by Concurrent. The enhanced driver allows applications to achieve maximum determinism during image rendering.

The performance of Concurrent's NightStar(TM) tools, a powerful integrated package for developing time-critical Linux applications, has been further enhanced by the introduction of RedHawk 5.1. NightStar tools run with minimal intrusion, thus preserving application execution behavior and determinism. Users can quickly and easily debug, monitor, schedule, analyze and tune applications in real-time. RedHawk 5.1's new lockless kernel trace feature eliminates any contention when multiple CPUs attempt to log trace points simultaneously. This feature is important as users scale up to systems with up to 32 cores.

RedHawk Linux is included with all Concurrent iHawk(TM) real-time multiprocessors, ImaGen(TM) visual servers, MediaHawk(TM) Content Delivery Systems and is also available as a software-only product. Concurrent real-time platforms can be configured with up to 32 CPU cores in one system chassis running a single copy of RedHawk Linux.

RedHawk Linux has been deployed in hundreds of installations worldwide including the U.S. Navy Aegis Open Architecture (AOA) CR2 program, Airbus, Alcatel, Boeing, Ford Motor Company, Lockheed Martin, Northrop Grumman, Toshiba TEC and many more.

About Concurrent

Concurrent (NASDAQ: CCUR) is a leading provider of high-performance, real-time Linux software and solutions for commercial and government markets. For over 40 years, Concurrent's best-of-breed products have enabled a range of time-critical solutions including: modeling and simulation, high speed data acquisition, visual imaging, low latency transaction processing and on-demand television. Concurrent's on-demand television applications are utilized by major service providers in the cable and IPTV industries to deliver video-on-demand (VOD). Concurrent's Everstream line of advanced reporting and monitoring tools measures the effectiveness of interactive television for over 25 million digital cable subscribers. Concurrent is a global company with regional offices in North America, Europe, Asia and Australia, and has products actively deployed in more than 26 countries. Concurrent's products and services are recognized for being uniquely flexible, comprehensive, robust and reliable. For more information, please visit www.ccur.com.

Certain statements made or incorporated by reference in this release may constitute "forward-looking statements" within the meaning of the federal securities laws. Statements regarding future events and development and our future performance, as well as our expectations, beliefs, plans, estimates, or projections relating to the future, are forward-looking statements within the meaning of these laws. These forward looking statements include, among others, statements regarding our products and product development. All forward-looking statements are subject to certain risks and uncertainties that could cause actual events to differ materially from those projected. Such risks and uncertainties include our ability to meet customer schedules and demands and deployment and integration goal.

Important risk factors are discussed in our Form 10-K filed with the Securities and Exchange Commission on August 31, 2007 and may be discussed in subsequent filings with the SEC. The risk factors discussed in such Form 10-K under the heading "Risk Factors" are specifically incorporated by reference in this press release. Our forward-looking statements are based on current expectations and speak only as of the date of such statements. We undertake no obligation to publicly update or revise any forward-looking statement, whether as a result of future events, new information, or otherwise.

Concurrent Computer Corporation and its logo and Everstream and its logo are registered and unregistered trademarks of Concurrent Computer Corporation. All other product names are trademarks or registered trademarks of their respective owners.

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