Fault Tree

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Definitions

European Project Definitions

CIPRNet project

The CIPRNet project [1] uses the following definition:

Fault trees represent fault sequences of components in which each component is logically decomposed into sub-components (CXX). In a Fault Tree, leaves represent failures of sub-components (fault causes), and the logical.


DIESIS project

The DIESIS project [2] gives the following definition:

Fault trees represent fault sequences of components in which each component is logically decomposed into sub-components (CXX). In a Fault Tree, leaves represent failures of sub-components (fault causes), and the logical nodes are the faults (consequences) of the components.


Other International Definitions

National Definitions

United States

Fault tree is a graphical tool used to illustrate the range, probability, and interaction of causal occurrences that lead to a final outcome. [3]

Standard Definition

IETF

A branching, hierarchical data structure that is used to represent events and to determine the various combinations of component failures and human acts that could result in a specified undesirable system event. [4]

Discussion Topic

See also

Notes

  1. http://www.ciprnet.eu/
  2. http://www.diesis-project.eu/
  3. DHS Risk Lexicon 2010 Edition, September 2010
  4. IETF RFC449 Internet Security Glossary 2

References