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Technical Report

Architecture-Led Safety Process

  • December 2016
  • By Peter H. Feiler, Julien Delange, David P. Gluch, John McGregor
  • Architecture-Led Safety Analysis (ALSA) is a safety analysis method that uses early architecture knowledge to supplement traditional safety analysis techniques to identify faults as early as possible.
  • Software Architecture
  • Publisher: Software Engineering Institute
    CMU/SEI Report Number: CMU/SEI-2016-TR-012
  • Abstract

    Architecture-Led Safety Analysis (ALSA) is a safety analysis method that uses early architecture knowledge to supplement traditional safety analysis techniques to identify faults as early as possible. The method begins by creating a definition of the operational environment within which the system under design will operate. ALSA uses the early architecture knowledge of the system and standardized error guide words to identify hazards in the system. These hazards are analyzed using knowledge of the architecture and safety requirements, intended to mitigate the hazards, that are added to the system’s requirements. ALSA continues its analysis down the full depth of the system implementation hierarchy. As additional implementation details are defined, the hazard analysis is applied to the subcomponents. ALSA also cuts across many of the phases in the development lifecycle. The hazard analysis feeds the requirements definition, architecture definition, and verification and validation phases.

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Cite This Report

SEI

Feiler, Peter; Delange, Julien; Gluch, David; & McGregor, John. Architecture-Led Safety Process. CMU/SEI-2016-TR-012 . Software Engineering Institute, Carnegie Mellon University. 2016. http://resources.sei.cmu.edu/library/asset-view.cfm?AssetID=484826

IEEE

Feiler. Peter, Delange. Julien, Gluch. David, and McGregor. John, "Architecture-Led Safety Process," Software Engineering Institute, Carnegie Mellon University, Pittsburgh, Pennsylvania, Technical Report CMU/SEI-2016-TR-012 , 2016. http://resources.sei.cmu.edu/library/asset-view.cfm?AssetID=484826

APA

Feiler, Peter., Delange, Julien., Gluch, David., & McGregor, John. (2016). Architecture-Led Safety Process (CMU/SEI-2016-TR-012 ). Retrieved November 24, 2017, from the Software Engineering Institute, Carnegie Mellon University website: http://resources.sei.cmu.edu/library/asset-view.cfm?AssetID=484826

CHI

Peter Feiler, Julien Delange, David Gluch, & John McGregor. Architecture-Led Safety Process (CMU/SEI-2016-TR-012 ). Pittsburgh, PA: Software Engineering Institute, Carnegie Mellon University, 2016. http://resources.sei.cmu.edu/library/asset-view.cfm?AssetID=484826

MLA

Feiler, Peter., Delange, Julien., Gluch, David., & McGregor, John. 2016. Architecture-Led Safety Process (Technical Report CMU/SEI-2016-TR-012 ). Pittsburgh: Software Engineering Institute, Carnegie Mellon University. http://resources.sei.cmu.edu/library/asset-view.cfm?AssetID=484826

BibTex

@techreport{FeilerArchitectureLedSafety2016,
title={Architecture-Led Safety Process},
author={Peter Feiler and Julien Delange and David Gluch and John McGregor},
year={2016},
number={CMU/SEI-2016-TR-012 },
institution={Software Engineering Institute, Carnegie Mellon University},
address={Pittsburgh, PA},
url={http://resources.sei.cmu.edu/library/asset-view.cfm?AssetID=484826} }