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The design, implementation and evaluation of SMART: a scheduler for multimedia applications
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Proceedings of the sixteenth ACM symposium on Operating systems principles
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Proceedings of the sixteenth ACM symposium on Operating systems principles
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A resource allocation model for QoS management
RTSS '97 Proceedings of the 18th IEEE Real-Time Systems Symposium
Object caching in a CORBA compliant system
COOTS'96 Proceedings of the 2nd conference on USENIX Conference on Object-Oriented Technologies (COOTS) - Volume 2
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IEEE Transactions on Parallel and Distributed Systems
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In contemporary computers and networks of computers, various application domains are making increasing demands on the system to move data from one place to another, particularly under some form of soft real-time constraint. A brute force technique for implementing applications in this type of domain demands excessive system resources, even though the actual requirements by different parts of the application vary according to the way it is being used at the moment. A more sophisticated approach is to provide applications with the ability to dynamically adjust resource requirements according to their precise needs, as well as the availability of system resources. This paper describes a set of principles for designing systems to provide support for soft real-time applications using dynamic negotiation. Next, the execution level abstraction is introduced as a specific mechanism for implementing the principles. The utility of the principles and the execution level abstraction is then shown in the design of three resource managers that facilitate dynamic application adaptation: Gryphon, EPA/RT-PCIP, and the DQM architectures.