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USENIX Technical Program - Abstract - Windows NT Symposium 99

Hard Real-time with RTX on Windows NT

Mike Cherepov and Chris Jones, VenturCom, Inc.


For a variety of reasons, Microsoft Windows NT is increasingly being considered as a platform for deployment of real-time systems. In order to meet the stringent latency requirements of hard real-time systems, it is necessary to augment the capabilities of Windows NT. We examine VenturCom's RTX, which provides a real-time subsystem running on Windows NT. It implements deterministic scheduling of real-time threads, inter-process communication mechanisms between the real-time environment and the native NT environment, and other extensions to Windows NT which are often found in specialized real-time operating systems. We discuss how the components of RTX provide these features, explore current results and experiences, and point out possible future directions for enhancement.
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Last changed: 27 Feb 2002 ml
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