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RedHawk Linux Release 5.1 Offers New Real-Time Functionality and Performance

Thu Apr 17, 2008 8:00am EDT
New Features Include Non-Uniform Memory Performance Optimization
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.

Concurrent
Media Relations
GCI Group
Becky Biggs, 404-260-3510
rbiggs@gcigroup.com
or
Concurrent
Kirk Somers, 678-258-4000
Vice President Investor Relations
investor.relations@ccur.com

Copyright Business Wire 2008



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