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Fault Tolerant Scheduling of Mixed Criticality Real-Time Tasks under Error Bursts
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.ORCID iD: 0000-0002-6355-3564
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.ORCID iD: 0000-0003-4157-3537
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.ORCID iD: 0000-0001-5269-3900
2015 (English)In: PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON INFORMATION AND COMMUNICATION TECHNOLOGIES, ICICT 2014, Kochi, India: Elsevier Procedia Computer Science , 2015, 1148-1155 p.Conference paper, Published paper (Refereed)
Abstract [en]

Dependability is an important requirement in hard real-time applications due to the potentially catastrophic consequences of failures. In these systems, fault tolerance mechanisms like temporal redundancy are adopted to improve reliability. Most of these types of systems are increasingly moving towards integrating critical and non-critical functionalities on the same platform to, e.g., better utilize resources and further reduce cost, and are commonly deployed in environments where errors typically occur in the form of bursts e.g., due to Electro Magnetic Interference (EMI). Consequently, in mixed criticality real-time systems, the designer must guarantee that critical tasks are feasible even under the presence of the error burst, while ensuring the feasibility of the non-critical tasks that are not affected by the burst. We refer to this as {em Fault Tolerance feasibility} (FT-feasibility) of mixed-criticality real-time systems. In this paper, we build on the well established results on Earliest Deadline First (EDF) scheduling, to derive a sufficient test that determines the FT-feasibility of a set of mixed criticality real-time tasks under the assumption that the inter-arrival time between two consecutive error bursts is at least equal to the hyper-period of the taskset.

Place, publisher, year, edition, pages
Kochi, India: Elsevier Procedia Computer Science , 2015. 1148-1155 p.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-27218DOI: 10.1016/j.procs.2015.01.027ISI: 000360175900138Scopus ID: 2-s2.0-84931301257OAI: oai:DiVA.org:mdh-27218DiVA: diva2:774883
Conference
The International Conference on Information and Communication Technologies ICICT'14, 3-5 Dec 2014, Kochi, India
Projects
CONTESSE - Contract-Based Components for Embedded Software
Available from: 2014-12-29 Created: 2014-12-29 Last updated: 2016-10-31Bibliographically approved

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Thekkilakattil, AbhilashDobrin, RaduPunnekkat, Sasikumar
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CiteExportLink to record
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