Roll-forward checkpointing scheme: a novel fault-tolerantarchitecture
Pradhan, D.K.
Vaidya, N.H.
Dept. of Comput. Sci., Texas A&M Univ., College Station, TX;
This paper appears in: Computers, IEEE Transactions on
Publication Date: Oct 1994
Volume: 43,
Issue: 10
On page(s): 1163-1174
ISSN: 0018-9340
References Cited: 15
CODEN: ITCOB4
INSPEC Accession Number: 4786801
Digital Object Identifier: 10.1109/12.324542
Current Version Published: 2002-08-06
Abstract
We propose a novel architecture for a fault-tolerant
multiprocessor environment. It is assumed that the multiprocessor
organization consists of a pool of active processing modules and either
a small number of spare modules or active modules with some spare
processing capacity. A fault-tolerance scheme is developed for duplex
systems using checkpoints. Our scheme, unlike traditional checkpointing
schemes, requires no rollbacks for recovering from single faults. The
objective is to achieve performance of a triple modular redundant system
using duplex system redundancy
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