NDLI: A foundation for adaptive fault tolerance in software

Content Provider	IEEE Xplore Digital Library
Author	Whisnant, K. Kalbarczyk, Z. Iyer, R.K.
Copyright Year	2003
Description	Author affiliation: Center for Reliable & High Performance Comput., Illinois Univ., Urbana, IL, USA (Whisnant, K.; Kalbarczyk, Z.; Iyer, R.K.)
Abstract	Software requirements often change during the operational lifetime of deployed systems. To accommodate requirements not conceived during design time, the system must be able to adapt its functionality and behavior. The paper examines a formal model for reconfigurable software processes that permits adaptive fault tolerance by adding or removing specific fault tolerance techniques during runtime. A distributed software-implemented fault tolerance (SIFT) environment for managing user applications has been implemented using ARMOR processes that conform to the formal model of reconfigurability. Because ARMOR processes are reconfigurable, they can tailor the fault tolerance services that they provide to themselves and to the user applications. We describe two fault tolerance techniques: microcheckpointing and assertion checking, that have been incorporated into ARMOR process via reconfigurations to the original ARMOR design. Experimental evaluations of the SIFT environment on a testbed cluster at the Jet Propulsion Laboratory demonstrate the effectiveness of these two fault tolerance techniques in limiting data error propagation among the ARMOR processes. These experiments validate the concept of using an underlying reconfigurable process architecture as the basis for implementing replaceable error detection and recovery services.
Sponsorship	IEEE Comput. Soc. Tech. Committee on Eng. Comput.-Based Syst
Starting Page	252
Ending Page	260
File Size	335846
Page Count	9
File Format	PDF
ISBN	0769519172
DOI	10.1109/ECBS.2003.1194806
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-04-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fault tolerance Application software Environmental management Computer architecture Electronic mail Runtime Testing Propulsion Computer errors Pervasive computing
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	Dr. B. Sutradhar bsutra@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	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library 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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