NDLI: Self-Reconfiguration for Fault-Tolerant FlexRay Networks

Content Provider	IEEE Xplore Digital Library
Author	Klobedanz, K. Koenig, A. Mueller, W. Rettberg, A.
Copyright Year	2011
Abstract	In this paper we present an approach for the self-reconfiguration of FlexRay networks to increase their fault tolerance. We propose a self-organized distributed coordinator concept which performs the self-reconfiguration in case of a node failure using redundant slots in the FlexRay schedule and combination of messages in existing frames and slots to avoid a complete bus restart. Therefore, the self-reconfiguration is realized by means of predetermined information about resulting changes in the communication dependencies and (re-)assignments from a introduced heuristic, which determines initial configurations and, based on that, calculates valid reconfigurations for the remaining nodes of the FlexRay network. The distributed coordinator concept, which is implemented by lightweight tasks not consuming any significant resources, uses these information and performs the reconfiguration of the FlexRay network at run time to increase the fault tolerance of the system. An evaluation by means of realistic safety-critical automotive real-time systems revealed that this reconfiguration approach determines valid reconfigurations for up to 80% of possible individual node failures and thereby offers applicable information for the self-reconfiguration approach. Furthermore, in an iterative design process these results can be improved to optimize the reconfigurations. The evaluation of our self-organized distributed coordinator concept and the comparison to a centrally organzied solution with a dedicated coordinator proves its benefits regarding the additional hardware and communication overhead and the resulting reconfiguration time, which has an great impact on the fault tolerance of the FlexRay network.
Starting Page	207
Ending Page	216
File Size	937446
Page Count	10
File Format	PDF
ISBN	9781457703034
DOI	10.1109/ISORCW.2011.38
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-03-28
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Schedules Networks Protocols Automotive Systems Fault tolerant systems Redundancy FlexRay Self-Reconfiguration Automotive engineering Payloads Fault-Tolerant
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Mr. Siddhartha Mukherjee siddhartha@ndl.gov.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	ndl-support@iitkgp.ac.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Libarray of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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