Geographical Dependency

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Definitions

European Definitions

DIESIS project

The DIESIS project [1] gives the following definition:

Infrastructures are geographically dependent if a local environmental event can create state changes in all of them. [2]


E.g. if telecommunication and electrical distribution lines use the same bridge, the destruction of the bridge (local environmental event) has effects on the state of both infrastructures.

Other International Definitions

National Definitions

Standard Definition

Discussion Topic

The dependency model described in [3] argues that geographical dependency does not exist but is a Common cause failure event.

See also

Notes

  1. http://www.diesis-project.eu/
  2. Rinaldi, S., J. Peerenboom, and T. Kelly (2001). Identifying, understanding and analysing critical infrastructure interdependencies. IEEE Control Systems Magazine, pp. 11–25.
  3. Nieuwenhuijs, A.H., Luiijf, H.A.M., Klaver M.H.A., “Modeling Critical Infrastructure Dependencies”, in: IFIP International Federation for Information Processing, Volume 290, Critical Infrastructure Protection II, eds. P. Mauricio and S. Shenoi, (Boston: Springer), October 2008, pp. 205-214, ISBN 978-0-387-88522-3

References