NDLI: Fault-tolerant scheduling of real-time tasks having software faults

Content Provider	IEEE Xplore Digital Library
Author	Khan, G.N. Sydhom, A.
Copyright Year	2005
Description	Author affiliation: Electr. & Comput. Eng., Ryerson Univ., Toronto, Ont. (Khan, G.N.; Sydhom, A.)
Abstract	This paper investigates the problem of fault-tolerant scheduling of a set of real-time tasks where each task has primary and alternate implementations. Similar scheduling problem has been studied before, however, we propose an enhanced scheme for scheduling real-time periodic tasks with software faults. Alternate-primary recovery (APR) based scheduling employs a special backup-primary that can replace the primary when it fails often. The new scheduling technique saves the CPU time wasted on executing of unsuccessful primaries again and again. APR scheduling is implemented and tested for a TRC (TCP-to-RS232 converter) embedded system that connects Ethernet to serial-RS232 devices. It is also compared with an existing fault-tolerant scheduling method to verify the proposed enhancement
Starting Page	731
Ending Page	734
File Size	230904
Page Count	4
File Format	PDF
ISBN	0780388852
ISSN	08407789
DOI	10.1109/CCECE.2005.1557033
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-05-01
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fault tolerance Job shop scheduling Processor scheduling Real time systems Embedded system Fault tolerant systems Adaptive scheduling Timing System testing Ethernet networks
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Hardware and Architecture

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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