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Issue No. 01 - February (1994 vol. 14)
ISSN: 0272-1732
pp: 36-47
<p>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.</p>

D. Powell, "Distributed Fault Tolerance: Lessons from Delta-4," in IEEE Micro, vol. 14, no. , pp. 36-47, 1994.
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