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Overview of Risk Mitigation for Safety-Critical Computer-Based SystemsThis report presents a high-level overview of a general strategy to mitigate the risks from threats to safety-critical computer-based systems. In this context, a safety threat is a process or phenomenon that can cause operational safety hazards in the form of computational system failures. This report is intended to provide insight into the safety-risk mitigation problem and the characteristics of potential solutions. The limitations of the general risk mitigation strategy are discussed and some options to overcome these limitations are provided. This work is part of an ongoing effort to enable well-founded assurance of safety-related properties of complex safety-critical computer-based aircraft systems by developing an effective capability to model and reason about the safety implications of system requirements and design.
Document ID
20160001630
Acquisition Source
Langley Research Center
Document Type
Technical Memorandum (TM)
Authors
Torres-Pomales, Wilfredo (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
February 5, 2016
Publication Date
November 1, 2015
Subject Category
Computer Systems
Report/Patent Number
NF1676L-22692
L-20618
L-20622
NASA-TM-2015-218988
Funding Number(s)
WBS: WBS 999182.02.50.07.02
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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