Toward an object-oriented approach to software fault tolerance

Software fault tolerance is often necessary, but can itself be dangerously error-prone because of the additional effort that must be involved in the programming process. The additional redundancy may increase size and complexity and thus adversely affect software reliability. Object-oriented program...

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Bibliographic Details
Main Authors: Xu, J., Randell, B., Rubira-Calsavara, C.M.F., Stroud, R.J.
Format: Conference Proceeding
Language:English
Subjects:
Computer architecture
Control systems
Fault diagnosis
Fault tolerance
Fault tolerant systems
Object oriented programming
Redundancy
Software design
Software reliability
Software systems
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Summary:Software fault tolerance is often necessary, but can itself be dangerously error-prone because of the additional effort that must be involved in the programming process. The additional redundancy may increase size and complexity and thus adversely affect software reliability. Object-oriented programming provides an appropriate framework for controlling complexity and enforcing reliability. However, software fault tolerance cannot be achieved merely by implementing the classical fault-tolerance schemes in an object-oriented fashion. New problems arise while integrating software redundancy into object-oriented computing systems. This paper identifies a set of such problems, addresses possible solutions, and proposes an object-oriented architecture for dealing with software design faults. Both linguistic supports for the architecture and implementation issues are discussed in detail.
DOI:10.1109/FTPDS.1994.494494