Real-time communication in plant-monitoring/controlling systems with ATM networks

Authors:
I. Mizunuma;S. Horiike;M. Takegaki
Affiliations:
-;-;-
Venue:
RTCSA '95 Proceedings of the 2nd International Workshop on Real-Time Computing Systems and Applications
Year:
1995

Citing 2
Cited 0

Scheduling Algorithms for Multiprogramming in a Hard-Real-Time Environment

Journal of the ACM (JACM)
Real-Time Communication in Multihop Networks

IEEE Transactions on Parallel and Distributed Systems

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Abstract

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.