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Second International Workshop on Real-Time Computing Systems and Applications (RTCSA'95)
Real-time communication in plant-monitoring/controlling systems with ATM networks
Tokyo, Japan
October 25-October 27
ISBN: 0-8186-7106-8
I. Mizunuma, Ind. Electron. & Syst. Lab., Mitsubishi Electr. Corp., Hyogo, Japan
S. Horiike, Ind. Electron. & Syst. Lab., Mitsubishi Electr. Corp., Hyogo, Japan
M. Takegaki, Ind. Electron. & Syst. Lab., Mitsubishi Electr. Corp., Hyogo, Japan
We propose a method for a schedulability check in ATM networks which provide fixed prioritized virtual connections. Our method does not need any run-time scheduling other than fixed priority scheduling at each output link of all switch nodes and traffic shaping at each output link of cell terminal nodes in a network. Rate monotonic analysis assumes a critical instance in which all tasks arrive at the same time. We, however, can obtain information on the times when messages arrive at switch nodes in a network. Using such information, our method can check the schedulability of a set of channels more exactly than the method assuming a critical instance.
Index Terms:
distributed processing; processor scheduling; scheduling; industrial plants; computerised monitoring; industrial control; asynchronous transfer mode; plant-monitoring; ATM networks; schedulability; fixed prioritized virtual connections; controlling systems; rate monotonic analysis
Citation:
I. Mizunuma, S. Horiike, M. Takegaki, "Real-time communication in plant-monitoring/controlling systems with ATM networks," rtcsa, pp.243, Second International Workshop on Real-Time Computing Systems and Applications (RTCSA'95), 1995
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