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University of Suceava
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Print ISSN: 1582-7445
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WorldCat: 643243560
doi: 10.4316/AECE


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  2/2017 - 16
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Real-Time Scheduling for Preventing Information Leakage with Preemption Overheads

BAEK, H. See more information about BAEK, H. on SCOPUS See more information about BAEK, H. on IEEExplore See more information about BAEK, H. on Web of Science, LEE, J. See more information about  LEE, J. on SCOPUS See more information about  LEE, J. on SCOPUS See more information about LEE, J. on Web of Science, LEE, J. See more information about  LEE, J. on SCOPUS See more information about  LEE, J. on SCOPUS See more information about LEE, J. on Web of Science, KIM, P. See more information about  KIM, P. on SCOPUS See more information about  KIM, P. on SCOPUS See more information about KIM, P. on Web of Science, KANG, B. B. See more information about KANG, B. B. on SCOPUS See more information about KANG, B. B. on SCOPUS See more information about KANG, B. B. on Web of Science
 
Click to see author's profile on See more information about the author on SCOPUS SCOPUS, See more information about the author on IEEE Xplore IEEE Xplore, See more information about the author on Web of Science Web of Science

Download PDF pdficon (1,246 KB) | Citation | Downloads: 175 | Views: 276

Author keywords
embedded software, real-time systems, scheduling algorithms, security, system analysis and design

References keywords
time(53), systems(51), real(48), scheduling(19), security(15), analysis(13), embedded(9), tasks(6), task(6), rtss(6)
Blue keywords are present in both the references section and the paper title.

About this article
Date of Publication: 2017-05-31
Volume 17, Issue 2, Year 2017, On page(s): 123 - 132
ISSN: 1582-7445, e-ISSN: 1844-7600
Digital Object Identifier: 10.4316/AECE.2017.02016
Web of Science Accession Number: 000405378100016
SCOPUS ID: 85020105673

Abstract
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Real-time systems (RTS) are characterized by tasks executing in a timely manner to meet its deadlines as a real-time constraint. Most studies of RTS have focused on these criteria as primary design points. However, recent increases in security threats to various real-time systems have shown that enhanced security support must be included as an important design point, retro-fitting such support to existing systems as necessary. In this paper, we propose a new pre-flush technique referred to as flush task reservation for FP scheduling (FTR-FP) to conditionally sanitize the state of resources shared by real-time tasks by invoking a flush task (FT) in order to mitigate information leakage/corruption of real-time systems. FTR-FP extends existing works exploiting FTs to be applicable more general scheduling algorithms and security model. We also propose modifications to existing real-time scheduling algorithms to implement a pre-flush technique as a security constraint, and analysis technique to verify schedulability of the real-time scheduling. For better analytic capability, our analysis technique provides a count of the precise number of preemptions that a task experiences offline. Our evaluation results demonstrate that our proposed schedulability analysis improves the performance of existing scheduling algorithms in terms of schedulability and preemption cost.


References | Cited By  «-- Click to see who has cited this paper

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References Weight

Web of Science® Citations for all references: 1,558 TCR
SCOPUS® Citations for all references: 7,912 TCR

Web of Science® Average Citations per reference: 32 ACR
SCOPUS® Average Citations per reference: 161 ACR

TCR = Total Citations for References / ACR = Average Citations per Reference

We introduced in 2010 - for the first time in scientific publishing, the term "References Weight", as a quantitative indication of the quality ... Read more

Citations for references updated on 2017-12-10 12:56 in 297 seconds.




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