NDLI: An integrated scheduling mechanism for fault-tolerant modular avionics systems

Content Provider	IEEE Xplore Digital Library
Author	Yann-Hang Lee Younis, M. Zhou, J.
Copyright Year	1998
Description	Author affiliation: Dept. of Comput. & Inf. Sci., Florida Univ., Gainesville, FL, USA (Yann-Hang Lee)
Abstract	In this paper, we present an effective scheduling approach for a fault-tolerant IMA (integrated modular avionics)-based system. The system architecture consists of connected cabinets that are made of multiple line replaceable modules, such as core processor and I/O modules. To provide fault tolerance, the system is incorporated with fault resilient capability and executes replicated tasks on different cabinets. Thus application output will be ready after a task processing stage and a consistency checking stage. To schedule the two-stage operations at task processing nodes and at the voter, we adopt fixed priority executives and investigate two priority assignment algorithms. Several experiments have been conducted to measure the success ratios of finding feasible schedules under various conditions. The evaluation results reveal a proper design space in which feasible schedules can be found easily.
Starting Page	21
Ending Page	29
File Size	977964
Page Count	9
File Format	PDF
ISBN	0780343115
ISSN	1095323X
DOI	10.1109/AERO.1998.682153
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-03-28
Publisher Place	Colorado
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fault tolerant systems Aerospace electronics Job shop scheduling Military computing Costs Telecommunication computing Application software Processor scheduling Scheduling algorithm Space technology
Content Type	Text
Resource Type	Article
Subject	Aerospace Engineering Space and Planetary Science

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