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A Model of Recoverability in Multi-level Systems

Lookup NU author(s): Emeritus Professor Tom Anderson, Professor Pete Lee, Emeritus Professor Santosh Shrivastava

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Abstract

Backward error recovery (that is, resetting an erroneous state of a system to a pevious error-free state) is an important general technique for recovery from faults in a system, especially those faults which were not foreseen. However, the provision of backward error recovery can be complex, particularly if the implementation of the system is ""multi-level"" and recovery is to be provided at a nmber of these levels. This paper discusses two distinct categories of multi-level system, and then examines in detail the issues involved in providing bacward error recovery in both types of system.

Publication metadata

Author(s): Anderson T, Lee PA, Shrivastava SK

Publication type: Report

Publication status: Published

Series Title: Computing Laboratory Technical Report Series

Year: 1977

Pages: 24

Print publication date: 01/11/1977

Source Publication Date: November 1977

Report Number: 115

Institution: Computing Laboratory, University of Newcastle upon Tyne

Place Published: Newcastle upon Tyne

URL: http://www.cs.ncl.ac.uk/publications/trs/papers/115.pdf

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