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In computing, triple modular redundancy, sometimes called triple-mode redundancy, [1] (TMR) is a fault-tolerant form of N-modular redundancy, in which three systems perform a process and that result is processed by a majority-voting system to produce a single output. If any one of the three systems fails, the other two systems can correct and ...
Time triple modular redundancy, also known as TTMR, is a patented single-event upset mitigation technique that detects and corrects errors in a computer or microprocessor. . TTMR allows the use of very long instruction word style microprocessors in space or other applications where external sources, such as radiation, would cause an elevated rate of erro
Geographic redundancy corrects the vulnerabilities of redundant devices deployed by geographically separating backup devices. Geographic redundancy reduces the likelihood of events such as power outages, floods, HVAC failures, lightning strikes, tornadoes, building fires, wildfires, and mass shootings disabling most of the system if not the entirety of it.
Triple modular redundancy. Where the computing systems are triplicated, it becomes possible to treat them as "voting" systems. If one unit's output disagrees with the ...
Though simple to implement and widely used, this triple modular redundancy is a relatively inefficient ECC. Better ECC codes typically examine the last several tens or even the last several hundreds of previously received bits to determine how to decode the current small handful of bits (typically in groups of two to eight bits).
Triconex also use its name for its hardware devices that use its TriStation application software. Triconex products are based on patented Triple modular redundancy (TMR) industrial safety-shutdown technology. Today, Triconex TMR products operate globally in more than 11,500 installations.
Modular redundancy may refer to: Dual modular redundancy, in reliability engineering where system components are duplicated; Triple modular redundancy, in reliability engineering where system components are triplicated
Active redundancy Dual modular redundancy Triple modular redundancy High-availability Seamless Redundancy N-version programming RAID Fault tolerance Fault-tolerant computer system Watchdog timer Redundant array of independent memory