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Mixed criticality scheduling in fault-tolerant distributed real-time systems

Abhilash Thekkilakattil, Radu Dobrin, Sasikumar Punnekkat
2014 2014 International Conference on Embedded Systems (ICES)  
Modern safety critical real-time systems are composed of tasks of mixed criticalities and the problem of scheduling them in a fault tolerant manner, on a distributed platform, is challenging.  ...  In this paper, we present a method for scheduling mixed criticality real-time tasks on a distributed platform in a fault tolerant manner while taking into account the recommendations given by the reliability  ...  fault tolerance guarantees and in certifying such mixed criticality systems by a certification authority.  ... 
doi:10.1109/embeddedsys.2014.6953097 fatcat:npovhz737fce3mwh5zwww5vudq

Bringing Fault-Tolerant GigaHertz-Computing to Space: A Multi-Stage Software-Side Fault-Tolerance Approach for Miniaturized Spacecraft [article]

Christian M. Fuchs, Todor Stefanov, Nadia Murillo, Aske Plaat
2017 arXiv   pre-print
The presented multi-stage approach consists of three FT stages, combining coarse-grained thread-level distributed self-validation, FPGA reconfiguration, and mixed criticality to assure long-term FT and  ...  We present the first integral, real-world solution to enable fault-tolerant general-purpose computing with modern multiprocessor-SoCs (MPSoCs) for spaceflight, thereby enabling their use in future high-priority  ...  Thus, our approach is the first integral, real-world solution to enable the fault-tolerant application with modern MPSoC designs for critical satellite control applications, thereby enabling the use of  ... 
arXiv:1708.06931v1 fatcat:3dmd33xwhbezlc2htibwwx7yqe

Fault-Tolerant Task Scheduling for Mixed-Criticality Real-Time Systems

Junlong Zhou, Min Yin, Zhifang Li, Kun Cao, Jianming Yan, Tongquan Wei, Mingsong Chen, Xin Fu
2017 Journal of Circuits, Systems and Computers  
In this paper, we address the scheduling of fault-tolerant mixed-criticality systems to ensure the safety of tasks at di®erent levels of criticalities in the presence of transient faults.  ...  However, few works take fault-tolerance as a design requirement.  ...  Acknowledgments This research was partially funded by the Shanghai Municipal NSF under the Grant No. 16ZR1409000, NSFC under the Grant No. 91418203, and East China Normal University Outstanding Doctoral  ... 
doi:10.1142/s0218126617500165 fatcat:zymhx5w3pfb75p37vdqm45fcem

Fault-Tolerant Distributed Deployment of Embedded Control Software

Claudio Pinello, Luca P. Carloni, Alberto L. Sangiovanni-Vincentelli
2008 IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems  
Our approach has a sound foundation in faulttolerant data flow, a novel model of computation that simplifies the integration of formal validation techniques.  ...  After providing a system-level specification of the target platform and the fault model, designers can rely on the synthesis of the low-level fault-tolerance mechanisms.  ...  ACKNOWLEDGMENT The authors would like to thank T. Demmeler of BMW Technology Office and S.  ... 
doi:10.1109/tcad.2008.917971 fatcat:zpvwmyxlf5hzbbaztgyesd7sea

Enhanced Performance Capability in a Dual Redundant Avionics Platform – Fault Tolerant Scheduling with Comparative Evaluation

Archana Sreekumar, K. Swetha, Annam Swetha, V. Radhamani Pillay
2015 Procedia Computer Science  
This paper also roposes an extension of earlier scheme to schedule arrival of either/and critical and non -critical aperiodic tasks.  ...  In this paper, an adaptive fault tolerant scheduling mechanism developed earlier with augmented performance capability and online fault recovery for a dual redundant system has been extended for an avionics  ...  A mixed task set of critical and noncritical tasks require periodic task allocation .The scheduling using a mixed scheduling approach is done by considering online adaptation environments.  ... 
doi:10.1016/j.procs.2015.01.001 fatcat:y5kqvwb6drc4bf3kcm2mddv3le

Fault Tolerant Scheduling of Mixed Criticality Real-time Tasks under Error Bursts

Abhilash Thekkilakattil, Radu Dobrin, Sasikumar Punnekkat
2015 Procedia Computer Science  
We refer to this as 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  ...  ., ERIKA 11 , for mixed criticality fault tolerant scheduling of real-time tasks.  ... 
doi:10.1016/j.procs.2015.01.027 fatcat:7bg76cfnezg7jcgdqkdsorfkwy

Fault tolerance enhancement using autonomy adaptation for autonomous mobile robots

B. Durand, K. Godary-Dejean, L. Lapierre, R. Passama, D. Crestani
2010 2010 Conference on Control and Fault-Tolerant Systems (SysTol)  
For that, we proposed a global and structured methodology which allows integrating specific fault tolerant mechanisms into an adaptive control architecture.  ...  This paper presents how autonomy adaptation can be useful to enhance the fault tolerance of autonomous mobile robots.  ...  Solutions must then be proposed and implemented as fault tolerance and robustness approaches. 3) Fault tolerance and Robustness: Depending on the location of the problem, robust ("capacity to deliver a  ... 
doi:10.1109/systol.2010.5676030 fatcat:ixgr5mc27zcdtfkl52sjgjklnu

Fault Tolerance in Tandem Computer Systems [chapter]

Joel Bartlett, Jim Gray, Bob Horst
1987 The Evolution of Fault-Tolerant Computing  
Processes provide software modularity and fault isolation. Process pairs tolerate hardware and transient software failures.  ...  An application generator allows users to develop fault-tolerant applications as though the system were a conventional computer.  ...  HARDWARE Principles Hardware fault tolerance requires multiple modules in order to tolerate module failures.  ... 
doi:10.1007/978-3-7091-8871-2_3 fatcat:j3q2d66tnfgazgqs2jjfpjyhtu

Fault-Tolerance in the Scope of Cloud Computing

A. U. Rehman, Rui L. Aguiar, Joao Paulo Barraca
2022 IEEE Access  
Furthermore, we discuss state-of-the-art proactive and reactive approaches to cloud computing fault-tolerance.  ...  Fault-tolerance methods are required to ensure high availability and high reliability in cloud computing environments. In this survey, we address fault-tolerance in the scope of cloud computing.  ...  A fault-tolerant solution must be safe. 6) INTEGRITY Integrity refers to the intelligence mechanisms to prevent the system from improper alteration, and also to avoid user crash failure. 7) CONFIDENTIALITY  ... 
doi:10.1109/access.2022.3182211 fatcat:lse4gdul2beazdcqvwjworxmy4

Task migration for fault-tolerance in mixed-criticality embedded systems

Prabhat Kumar Saraswat, Paul Pop, Jan Madsen
2009 ACM SIGBED Review  
Depending on their time-criticality, tasks can be hard or soft real-time and regarding safety-criticality, tasks can be fault-tolerant to transient faults, permanent faults, or have no dependability requirements  ...  We propose a Greedy-based online heuristic for the migration of safety-critical tasks, in response to permanent faults, and the adjustment of CBS parameters on the target processors, such that the faults  ...  The mixed-criticality requirements of each task are captured by two functions: F : A → {Permanent, Transient & Permanent, φ} determines if the task has to tolerate permanent and/or transient faults, or  ... 
doi:10.1145/1851340.1851348 fatcat:tbowusbk7zd3bdfko3rkyguwcu

Analysis and optimization of fault-tolerant task scheduling on multiprocessor embedded systems

Jia Huang, Jan Olaf Blech, Andreas Raabe, Christian Buckl, Alois Knoll
2011 Proceedings of the seventh IEEE/ACM/IFIP international conference on Hardware/software codesign and system synthesis - CODES+ISSS '11  
To the best of our knowledge, this is the first approach in fault-tolerant task scheduling that considers permanent and transient faults in a unified manner.  ...  Reliability is a major requirement for most safety-related systems. To meet this requirement, fault-tolerant techniques such as hardware replication and software re-execution are often utilized.  ...  Acknowledgment The authors would like to thank Paul Pop for his helpful suggestions.  ... 
doi:10.1145/2039370.2039409 dblp:conf/codes/HuangBRBK11 fatcat:gym47iphkjeobd2s2w54hvcwmi

Integrating fault tolerant scheme with feedback Control scheduling algorithm at software level for real time embedded systems

Oumair Naseer, Akeel Shah
2013 International Journal of Instrumentation and Control Systems  
In order to assure that tasks should meet their deadlines even in the presence of faults, a FT scheme has to be integrated at control scheduling co-design level.  ...  Current FCSA doesn't ensure Fault Tolerance (FT) while providing QoS in terms of CPU utilization and resource management.  ...  Server failure 2 Critical Major failure 1 Non-critical Minor failure 0 No dependability requirements Table 2 : 2 Safety integrity levels (SIL) Table 3 : 3 CPU Utilization with and without  ... 
doi:10.5121/ijics.2013.3401 fatcat:euydnn5yrfavjlkfialo37yq3q

Fault-Tolerant Nanosatellite Computing on a Budget

Christian M. Fuchs, Nadia M. Murillo, Aske Plaat, Erik van der Kouwe, Daniel Harsono, Todor P. Stefanov
2018 2018 18th European Conference on Radiation and Its Effects on Components and Systems (RADECS)  
To offer strong long-term fault coverage, our architecture is implemented as tiled MPSoC on an FPGA, utilizing partial reconfiguration, as well as mixed criticality.  ...  Thus, we developed a set of software measures facilitating fault tolerance based upon thread-level coarse-grain lockstep, which we validated through fault-injection.  ...  We would also like to thank the members of the Xilinx Radiation Test Consortium for their encouragement, support, and discussions.  ... 
doi:10.1109/radecs45761.2018.9328685 fatcat:rlx7m4yn4nhhddvb3hmfsgmbti

Bibliographical review on reconfigurable fault-tolerant control systems

Youmin Zhang, Jin Jiang
2008 Annual Reviews in Control  
In this paper, a bibliographical review on reconfigurable fault-tolerant control systems (FTCS) is presented.  ...  The existing approaches for fault detection and diagnosis (FDD) and reconfigurable control are considered with emphasis on the reconfigurable/restructurable controller design techniques.  ...  to Application Areas Fault-tolerant systems and associated control designs have inherently wide and diverse engineering appli-cations, which range from a) safety-critical systems (such as aircraft, helicopters  ... 
doi:10.1016/j.arcontrol.2008.03.008 fatcat:4iuo5t6isbgqdom4octs7ktxry

Bibliographical review on reconfigurable fault-tolerant control systems

Youmin Zhang, Jin Jiang
2003 IFAC Proceedings Volumes  
In this paper, a bibliographical review on reconfigurable fault-tolerant control systems (FTCS) is presented.  ...  The existing approaches for fault detection and diagnosis (FDD) and reconfigurable control are considered with emphasis on the reconfigurable/restructurable controller design techniques.  ...  to Application Areas Fault-tolerant systems and associated control designs have inherently wide and diverse engineering appli-cations, which range from a) safety-critical systems (such as aircraft, helicopters  ... 
doi:10.1016/s1474-6670(17)36503-5 fatcat:bsd4vhfegrg5tl7pmz4xgzuz2y
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