Fault Tolerance
What is Fault Tolerance?
The ability of a system to continue operating properly in the event of the failure of some of its components.
Frameworks that govern fault tolerance
What the standards actually require on fault tolerance
Requirements naming fault tolerance across 6 standards, quoted from the control text.
To keep the AV effective, extra sensor coverage ought to be considered so that losing or degrading one sensor does not force the vehicle to stop; sensor fusion such as Dempster-Shafer methods or machine learning may help, with Annex C on AI.
bsi-pas-1880-2020::7.13 · 7.13 Sensor fault tolerance →Detection of a dangerous fault (by diagnostics, proof test or other means) in a subsystem with fault tolerance above zero leads to a specified action to reach or hold a safe state, or isolation of the faulty part so the EUC can keep running safely during repai...
iec-61508-2010-functional-safety-of-e-e-pe-safety-related-systems::2-7.4.8 · Part 2, 7.4.8 Requirements for system behaviour on detection of a fault →Activities should produce detailed design data from the requirements and concept (HDL, component, assembly and interconnection data, test methods, and data on the hardware/software interface);
do-254-ed-80-design-assurance-guidance-for-airborne-electronic-hardware::5.3.2 · 5.3.2 Detailed design process activities →Principles for engineering secure systems are to be set, written down, kept current and applied to every information system development activity. Purpose: have information systems designed, built and operated securely throughout the development life cycle.
iso-27002-2022::8.27 · Secure system architecture and engineering principles →IT systems should be designed for availability commensurate with business needs, with redundancy or fault tolerance where high availability is required.
monetary-authority-of-singapore-technology-risk-management-guidelines::8.1 · 8.1 System Availability →Agencies planning to take up VoIP or UC technologies or services must take the risks to availability of systems and information into account when designing the VoIP and UC architecture, fault tolerance, failover, and the supporting controls and governance proc...
new-zealand-information-security-manual-nzism::19.5.24.C.02 · 19.5.24.C.02 Consider availability risks in VoIP and UC design →Questions people ask about fault tolerance
What is Fault Tolerance?
Why is Fault Tolerance important for compliance?
Which compliance frameworks address Fault Tolerance?
Where can I learn more about Fault Tolerance?
See how Fault Tolerance applies across compliance frameworks
Our platform maps 1,016 frameworks with 316K cross-framework control mappings. Explore how this concept is addressed across standards.