Fault-tolerant computing: theory and techniques; Vol. 2
Fault-tolerant computing: theory and techniques; Vol. 2
Design & analysis of fault tolerant digital systems
Design & analysis of fault tolerant digital systems
Low-cost schemes for fault tolerance
Low-cost schemes for fault tolerance
Fault Tolerance in Multiprocessor Systems Without Dedicated Redundancy
IEEE Transactions on Computers
Roll-Forward Checkpointing Scheme: A Novel Fault-Tolerant Architecture
IEEE Transactions on Computers
Roll-Forward Checkpointing Schemes
Revised Papers from a Workshop on Hardware and Software Architectures for Fault Tolerance
Checking a Non-Byzantine FT Scheme against Byzantine Faults
IPDPS '02 Proceedings of the 16th International Parallel and Distributed Processing Symposium
Error-free multi-valued consensus with byzantine failures
Proceedings of the 30th annual ACM SIGACT-SIGOPS symposium on Principles of distributed computing
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Performance and reliability trade-offs depend on the recovery scheme used in any fault-tolerant system. Gain in performance, using comparable resources, typically requires sacrifice in reliability, and vice-versa. Roll-forward schemes for duplex systems achieve better performance than rollback schemes, without a significant increase in hardware resource requirements. This paper compares two roll-forward schemes with two roll-back schemes. It is shown that the roll-forward schemes improve performance with only a small loss in reliability as compared to rollback schemes.