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News Releases RTI WAVEWORKS MESSAGING SOFTWARE SPEEDS DEVELOPMENT OF DISTRIBUTED, REAL-TIME APPLICATIONSFirst to Offer Middleware and Tools to Implement Open Real-Time Publish-Subscribe Protocol for Ethernet SUNNYVALE, Calif. - October 3, 2001 - Real-Time Innovations (RTI) today announced a new release of the WaveWorks product family for original equipment manufacturers (OEMs) building distributed systems that require real-time messaging. The messaging software includes NDDS 3.0 real-time middleware that implements an open, real-time publish-subscribe data distribution protocol. The new wire protocol is the first to provide real-time software developers with many-to-many data distribution services designed for extensibility, interoperability, and backwards compatibility. In addition to NDDS 3.0, the WaveWorks release includes two tools that remove the complexities of distributed, real-time system debugging: WaveSurf, a graphical "explorer" and debug tool that finds all of the NDDS objects across the network, and WaveScope, a graphical monitoring and analysis tool that shows the activity of internal application variables. "Distributed, real-time systems have long been an area where there was more interest by enterprise developers and standards groups than by the embedded community. First there was the issue of critical mass - not enough embedded developers had a compelling interest - and second there was the underlying technology - hardware and communications was evolving from generally, proprietary, ad hoc solutions with little in common with the popular enterprise standards," states Paul Zorfass, senior analyst with IDC/FTI. "The domination of the Ethernet and the Internet protocols, the emergence of commercial embedded Ethernet and real-time operating systems, and the corporate need to link the enterprise with control systems have initiated an environment ready for change. To accelerate this, RTI's real-time publish-subscribe protocol and its work with the Object Management Group (OMG) to define real-time application data distribution services has the potential to build a higher performance, more seamless solution to broaden distributed application usage, coordination, and accessibility for embedded developers." The new NDDS release is a full implementation of the Real-Time Publish-Subscribe Protocol specification published by RTI. The NDDS has been available for several years. Previous releases are in use today in distributed real-time applications such as shipboard networks, elevator controls, and carrier-grade telecom equipment monitoring systems. It provides publish-subscribe services that eliminate network programming and simplify complex system design. For example, applications publish and subscribe to information anonymously; publishers are not encumbered by the network connections to any subscribers and subscribers do not need to be concerned about the data publisher. NDDS takes care of all the data distribution and channel management chores. The real-time extensions let the programmer set deadlines for new topic issues, set the flow rate, and define redundant publication hierarchies for application-transparent hot-swap. NDDS 3.0 adds backwards compatibility with future releases, protocol extensibility for future enhancements (such as security and additional quality of service options), and interoperability between products from multiple vendors. In addition, the new protocol also reduces the amount of metatraffic (NDDS-to-NDDS control messages) and data packet overhead, leaving more bandwidth available for application use. WaveWorks Tools Inclusion of the two WaveWorks tools highlights RTI's emphasis on the value of tools to embedded system developers. "Our customers tell us every day how valuable our ScopeTools have been to their real-time system debugging and optimization, literally taking months off the development cycle," states Stan Schneider, president and CEO of RTI. "The value is squared for distributed, real-time systems. They need the inside view of the application StethoScope provides, plus they need a tool which gives them a global view of the objects distributed across the network." WaveScope, based on the field-proven StethoScope debugger, lets the developer isolate and monitor the critical variables deep inside their applications, tracking their performance so problems can be located and fixed quickly. WaveSurf complements the micro-view with a macro-view of the NDDS objects spread across the network. WaveSurf also shows the object properties and lets the user modify the operating properties to make adjustments without editing and recompiling the application code. The two tools are essential to application debugging and help system integrators during equally-critical network configuration. For example, the system integrator can use the WaveScope tool to monitor NDDS transport variables and then use the WaveSurf tool to modify individual publication and subscription properties to optimize performance for that particular network configuration. Real-Time Innovations, Inc. Real-Time Innovations, Inc. (RTI) is a leading developer of new tools and architectures for the growing real-time software market. The company's products help real-time developers analyze and understand embedded systems, speed development of distributed real-time systems, and coordinate the work of teams of programmers developing large projects. RTI products power applications ranging from network monitoring to the Space Shuttle launch-control system. RTI has thousands of customers, including leading companies in aerospace, semiconductor equipment, telecommunications, robotics, and industrial automation. Together with our customers, we are 'Shaping the Future of Real Time.' Real-Time Innovations, StethoScope, NDDS, and Shaping the Future of Real Time are registered trademarks and WaveWorks, WaveSurf, WaveScope, ScopeTools, and RTI are trademarks of Real-Time Innovations, Inc. All other trademarks used in this document are the property of their respective owners. |
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