Empirical evaluation of OS endsystem support for real-time CORBA object request brokers

David L. Levine; Sergio Flores-Gaitan; Douglas C. Schmidt

doi:10.1117/12.373515

27 December 1999 Empirical evaluation of OS endsystem support for real-time CORBA object request brokers

David L. Levine, Sergio Flores-Gaitan, Douglas C. Schmidt

Proceedings Volume 3969, Multimedia Computing and Networking 2000; (1999) https://doi.org/10.1117/12.373515
Event: Electronic Imaging, 2000, San Jose, CA, United States

Abstract

This paper provides two contributions to the study of OS endsystem support for real-time Object Request Broker (ORB) middleware. First, we empirically compare and evaluate the suitability of real-time operating systems, VxWorks and LynxOS, and general-purpose operating systems with real-time scheduling classes, Windows NT, Solaris, and Linus, for real-time ORB middleware. While holding the hardware and ORB constant, we systematically vary the OS and measure key platform-specific variations in latency, jitter, operation throughput, and CPU processing overhead. Second, we describe specific areas where these operating systems must improve so that ORB middleware will be predictable, efficient, and scalable enough to support the QoS requirements of multimedia applications.

Citation Download Citation

David L. Levine, Sergio Flores-Gaitan, and Douglas C. Schmidt "Empirical evaluation of OS endsystem support for real-time CORBA object request brokers", Proc. SPIE 3969, Multimedia Computing and Networking 2000, (27 December 1999); https://doi.org/10.1117/12.373515

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