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Building Blocks for Achieving Quality of Service with Commercial Off-the-Shelf (COTS) Middleware
Overview There is an urgent need to support heterogeneity and openness in today's COTS-based distributed computing environments and to enhance the computing environments by quality-of-service attributes such as responsiveness. This paper discusses the composite objects approach for the integration of CORBA with real-time computing. Data replication and weak memory consistency have been discussed as key concepts for implementing this approach and for decoupling CORBA and real-time computing. It also describes implementation alternatives for the composite objects approach and have presented measurements for the overhead imposed by our implementation of this approach. To date, most of the fault-tolerant, real-time systems have been implemented in embedded settings, and there is an urgent need to open up this type of computing technology to a larger number of people who use heterogeneous distributed computing environments. Today's transportation, manufacturing, and communication systems require the integration of multiple embedded real-time control systems with standard distributed computing environments in a predictable fashion.
| Publisher | Carnegie Mellon Software Engineering Institute | File Format | HTML & PDF |
|---|---|---|---|
| Date Published | January 2004 | Downloads | 4 |
| Format | White Papers | ||
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