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Lookup NU author(s): Emeritus Professor Tom Anderson, Professor Pete Lee
The recovery block scheme has been proposed as one method of providing fault tolerant software, and is dependent on the availability of recoverable interfaces so that any damage caused by an erroneous program can be repaired by backward error recovery. However, it is clear that the interface provided by the hardware in any particular system will contain unrecoverable objects. This paper investigates a method of structuring a system into multiple levels so that a level of software can "hide" the unrecoverable features of an interface and provide a new interface with recoverable objects to programs needing facilities for backward error recovery. The paper discusses this organisation of recovery in such a system.
Author(s): Anderson T, Lee PA
Publication type: Report
Publication status: Published
Series Title: Computing Laboratory Technical Report Series
Year: 1979
Pages: 16
Print publication date: 01/03/1979
Source Publication Date: March 1979
Report Number: 137
Institution: Computing Laboratory, University of Newcastle upon Tyne
Place Published: Newcastle upon Tyne
URL: http://www.cs.ncl.ac.uk/publications/trs/papers/137.pdf
