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Distributed Fault Tolerance: Lessons from Delta-4
February 1994 (vol. 14 no. 1)
pp. 36-47

Because they avoid extensive redesign of specialized hardware, software-implemented approaches to fault tolerance are very resilient to change. Europe's Delta-4 project argues persuasively for implementing fault tolerance in a distributed fashion. The Delta-4 approach achieves fault tolerance by replicating capsules/spl minus/runtime representations of application objects/spl minus/on distributed, LAN-interconnected nodes. It can configure capsule groups to tolerate either stopping or arbitrary failures. Its multipoint protocols serve to coordinate capsule groups and for error processing and fault treatment.

Citation:
David Powell, "Distributed Fault Tolerance: Lessons from Delta-4," IEEE Micro, vol. 14, no. 1, pp. 36-47, Feb. 1994, doi:10.1109/40.259898
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