This whitepaper from Venturcom examines Venturcom RTX, which provides a real-time subsystem that runs with the Windows XP platform (defined for the purposes of this paper as Windows XP and Windows XP Embedded). It implements deterministic scheduling of real-time threads, inter-process communication mechanisms between the real-time environment and the native Windows XP environment, and other extensions to Windows XP which are often found in specialized real-time operating systems. The paper describes how the components of RTX provide these features, explores current results and experiences, and points out possible future directions for enhancement.

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