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Guaranteed response times in a distributed hard-real-time environment
Dec. 1986 (vol. 12 no. 12)
pp. 1139-1144
Dennis W. Leinbaugh, AT&T Bell Laboratories, Columbus, OH 43213
Mohamad-Reza Yamini, AT&T Bell Laboratories, Columbus, OH 43213
A distributed real-time programming model is presented. It consists of a set of tasks whose segments require processor time and devices and is run on a dedicated network of microcomputers. A task is started upon receipt of an external signal or the completion of other tasks. Segments communicate via message passing and there may be a limited number of transient communication errors. A heuristic algorithm is developed to determine an upper bound upon the response time of each task. Consequently, it is useful in a hard-real-time environment to determine if response times will always be met.
Index Terms:
Time factors,Upper bound,Operating systems,Optimal scheduling,Performance evaluation,Delay,Real-time systems,response time analysis,Distributed operating system,guaranteed response time,hard-real-time,process control,programming model
Dennis W. Leinbaugh, Mohamad-Reza Yamini, "Guaranteed response times in a distributed hard-real-time environment," IEEE Transactions on Software Engineering, vol. 12, no. 12, pp. 1139-1144, Dec. 1986, doi:10.1109/TSE.1986.6313009
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