Adaptive redundancy for fault-tolerant real-time systems

Chia Mei Chen, S. K. Tripathi, Sheng Tzong Cheng

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Reliability is an important aspect of real-time systems because the result of a real-time application may be valid only if the application functions correctly and its timing constraints are satisfied. There are two kinds of faults: hardware and software faults. In this paper, we consider hardware transient faults. Full replication or full hardware redundancy can achieve a high degree of reliability; however, it may waste resources. We propose a fault-tolerance approach, a hybrid method of rollback and replication, for the real-time systems which require both system reliability and the guarantee of meeting deadlines. We define that a task is fault-tolerant if it can be recovered from a transient error either by rollback or duplication. Our approach attempts to make as many tasks fault-tolerant as possible.

Original languageEnglish
Title of host publicationProceedings of IEEE Workshop on Fault-Tolerant Parallel and Distributed Systems, FTPDS 1994
EditorsDhiraj Pradhan, Dimiter Avresky
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages182-187
Number of pages6
ISBN (Electronic)0818668075, 9780818668074
DOIs
Publication statusPublished - 1994
Event1994 IEEE Workshop on Fault-Tolerant Parallel and Distributed Systems, FTPDS 1994 - College Station, United States
Duration: 1994 Jun 121994 Jun 14

Publication series

NameProceedings of IEEE Workshop on Fault-Tolerant Parallel and Distributed Systems, FTPDS 1994

Conference

Conference1994 IEEE Workshop on Fault-Tolerant Parallel and Distributed Systems, FTPDS 1994
CountryUnited States
CityCollege Station
Period94-06-1294-06-14

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Hardware and Architecture
  • Safety, Risk, Reliability and Quality

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