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Cascade Middleware Connects QNX and Windows in Realtime

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Modular technology allows QNX and Windows applications to share real-time data across a network or the Internet

With the Cascade DataHub and Cascade Connect middleware products from Cogent Real-Time Systems, QNX programs can exchange data in real time with DDE or OPC enabled Windows applications, across a network or the Internet.

The Cascade DataHub for QNX uses either TCP or the native send/receive/reply protocol to collect and distribute data among QNX programs. The Windows version of the Cascade DataHub can use TCP, DDE, or OPC to establish client connections. The DataHub bridges the gap between QNX and Windows using a standard TCP/IP connection, which means data can be shared between applications across a LAN, WAN or Internet connection.

With Cascade Middleware you can run hard real-time applications in QNX, and still get access to data from any DDE program in Windows, as well as the full range of OPC products and drivers.

Cascade Middleware products are designed to treat each participating program or process as a modular unit. Any application can be connected or disconnected at any time, without disruption to the rest of the system. Programs can send or receive data synchronously or asynchronously, using read/write or publish/subscribe models of communication.

QNX programs interact with the Cascade DataHub through the Cogent API, which includes utilities, libraries, and functions for writing custom interfaces. In Windows no programming is necessary, though an API is available for those who wish to create custom applications.