Abstract

This paper reviews the development of error recovery structures that support general fault tolerance, and describes a new object-oriented scheme for error recovery in concurrent systems that generalizes existing schemes based on either conversations or transactions. This new scheme, which is based on what we term a Coordinated Atomic Action, is intended to facilitate the provision of means of tolerating hardware and software faults, and faults that have affected the environment of the computer system — and to do so for programs that involve cooperating concurrent processes, and the use of shared resources.

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