Title

The Design and Performance of a Real-time CORBA Event Service

Authors

Timothy H. Harrison, Washington University in St Louis
David L. Levine, Washington University in St. Louis
Douglas C. Schmidt, Washington University in St. Louis

Document Type

Technical Report

Department

Computer Science and Engineering

Publication Date

1997-01-01

Filename

WUCS-97-31.PDF

DOI:

10.7936/K7QC01QC

Technical Report Number

WUCS-97-31

Abstract

The CORBA Event Service provides a flexible model for asynchronous communication among objects.However, the standard CORBA Event Service specification lacks important features required by real-time applications. For instance, operational flight programs for fighter aircraft have complex real-time processing requirements. This paper describes the design and performance of an object-oriented, real-time implementation of the CORBA Event Service that is designed to meet these requirements. This paper makes three contributions to the design and performance measurement of object-oriented real-time systems. First, it illustrates how to extend the CORBA Event Service so that it is suitable for real-time systems. These extensions support periodic rate-based event processing and efficient event filtering and correlation. Second, it describes how to develop object-oriented event dispatching and scheduling mechanisms that can provide real-time guarantees. Finally, the paper presents benchmarks that demonstrate the performance tradeoffs of alternative concurrent dispatching mechanisms for real-time Event Services.

Comments

Permanent URL: http://dx.doi.org/10.7936/K7QC01QC

Recommended Citation

Harrison, Timothy H.; Levine, David L.; and Schmidt, Douglas C., "The Design and Performance of a Real-time CORBA Event Service" Report Number: WUCS-97-31 (1997). All Computer Science and Engineering Research.
https://openscholarship.wustl.edu/cse_research/446