UNSPECIFIED (1996) Dynamic scheduling in the presence of faults: Specification and verification. In: 4th International Symposium on Formal Techniques in Real-Time and Fault-Tolerant Systems, UPPSALA, SWEDEN, SEP 09-13, 1996. Published in: FORMAL TECHNIQUES IN REAL-TIME AND FAULT-TOLERANT SYSTEMS, 1135 pp. 279-297.

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Abstract

A distributed real-time program is usually executed on a limited set of hardware resources and is required to satisfy timing constraints, despite anticipated hardware failures. Static analysis of the timing properties of such programs is often infeasible. This paper shows how to formally reason about these programs when scheduling decisions are made on-line and take into account deadlines, load and hardware failures. We use Timed CCS as a process language, define a language to describe anticipated faults and apply a version of a mu-calculus to specify and verify timing properties. This allows the property of schedulability to be the outcome of an equation-solving problem. And unlike conventional reasoning, the logic is fault-monotonic: if correctness is proved for a number of faults, correctness for any subset of these faults is guaranteed.

Item Type:	Conference Item (UNSPECIFIED)
Subjects:	Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software
Series Name:	LECTURE NOTES IN COMPUTER SCIENCE
Journal or Publication Title:	FORMAL TECHNIQUES IN REAL-TIME AND FAULT-TOLERANT SYSTEMS
Publisher:	SPRINGER-VERLAG BERLIN
ISBN:	3-540-61648-9
ISSN:	0302-9743
Editor:	Jonsson, B and Parrow, J
Date:	1996
Volume:	1135
Number of Pages:	19
Page Range:	pp. 279-297
Publication Status:	Published
Title of Event:	4th International Symposium on Formal Techniques in Real-Time and Fault-Tolerant Systems
Location of Event:	UPPSALA, SWEDEN
Date(s) of Event:	SEP 09-13, 1996
URI:	http://wrap.warwick.ac.uk/id/eprint/17762

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