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Dependable Pervasive Systems

Lookup NU author(s): Emeritus Professor Cliff JonesORCiD, Professor Brian RandellORCiD

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Abstract

Present trends indicate that huge networked computer systems are likely to become pervasive, as information technology is embedded into virtually everything, and to be required to function essentially continuously. This report argues that even today’s (under-used) “best practice” regarding the achievement of high dependability – reliability, availability, security, safety, etc. – from large networked computer systems will not suffice for future pervasive systems. It summarizes the current state of research into the four basic dependability technologies: (i) fault prevention (to avoid the occurrence or introduction of faults), (ii) fault removal (through validation and verification), (iii) fault tolerance (so that failures do not necessarily occur even if faults remain), and (iv) fault forecasting (the means of assessing progress towards achieving adequate dependability). It argues that much further research is required on all four dependability technologies in order to cope with pervasive systems, identifies some priorities, and discusses how this research could best be aimed at making system dependability into a “commodity” that UK industry can value and from which it can profit.

Publication metadata

Author(s): Jones C, Randell B

Publication type: Report

Publication status: Published

Series Title: School of Computing Science Technical Report Series

Year: 2004

Pages: 22

Print publication date: 01/04/2004

Source Publication Date: April 2004

Report Number: 839

Institution: School of Computing Science, University of Newcastle upon Tyne

Place Published: Newcastle upon Tyne

URL: http://www.cs.ncl.ac.uk/publications/trs/papers/839.pdf

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