Conclusions of the ARTIST2 Roadmap on Control of Computing Systems Ë e , Karl-Erik Arz´ nâ Anders Robertsson, Dan Henriksson Dept of Automatic Control, LTH Lund University, Box 118, SE-221 00 Lund, Sweden Mikael Johansson, HË kan Hjalmarsson, Karl Henrik Johansson a Dept of Signals, Sensors and Systems Royal Institute of Technology, SE-100 44 Stockholm, Sweden 1. Background The use of control-based methods for resource management in real-time computing and communication systems has gained a substantial interest recently. Applications areas include performance control of web-servers, dynamic resource management in embedded systems, traf c control in communication networks, transaction management in database servers, error control in software systems, and autonomic computing. Within the European EU/IST FP6 Network of Exellence ARTIST2 on Embedded System Design a roadmap on Control of Real-Time Computing Systems has recently been completed. The focus of the roadmap is how exibility, adaptivity, performance and robustness can be achieved in a real-time computing or communication system through the use of control theory. The item that is controlled is in most cases the allocation of computing and communication resources, e.g., the distribution or scheduling of CPU time among different competing tasks, jobs, requests, or transactions, or the communication
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