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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.
Abstract
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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