fault tolerance



  • noun the ability of a system to continue functioning even when a fault has occurred


  • (written as fault-tolerance)
    The ability of a component, circuit, device, piece of equipment, or system to continue to function at or above a certain level, regardless of catastrophic events or failures, such as power interruptions, failed components, and/or environmental extremes. For instance, a computer system or network which maintains optimum operation and suffers no data loss under such conditions. backup power supplies, redundant components, and operating system resilience help in this example.

Information & Library Science

  • noun the ability of a computer or network to preserve the integrity of data during a malfunction