City Research Online

Stochastic modelling of the effects of interdependencies between critical infrastructure

Bloomfield, R. E., Buzna, L., Popov, P. T., Salako, K. and Wright, D. (2010). Stochastic modelling of the effects of interdependencies between critical infrastructure. Paper presented at the 4th International Workshop, CRITIS 2009, 30 September - 2 October 2009, Bonn, Germany.

Abstract

An approach to Quantitative Interdependency Analysis, in the context of Large Complex Critical Infrastructures, is presented in this paper. A Discrete state–space, Continuous–time, Stochastic Process models the operation of critical infrastructure, taking interdependencies into account. Of primary interest are the implications of both model detail (that is, level of model abstraction) and model parameterisation for the study of dependencies. Both of these factors are observed to affect the distribution of cascade–sizes within and across infrastructure.

Publication Type: Conference or Workshop Item (Paper)
Additional Information: DOI: 10.1007/978-3-642-14379-3_17
Publisher Keywords: interdependency analysis, critical infrastructure, cascade–size distribution, continuous – time stochastic process
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Departments: School of Mathematics, Computer Science & Engineering > Computer Science > Software Reliability
URI: http://openaccess.city.ac.uk/id/eprint/1971
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