Byzantine fault
FAULT IN A COMPUTER SYSTEM THAT PRESENTS DIFFERENT SYMPTOMS TO DIFFERENT OBSERVERS
Error avalanche; Byzantine failure; Byzantine Failure; Byzantine Generals' Problem; Byzantine Fault Tolerance; Byzantine generals; Byzantine generals problem; Byzantine Agreement Problem; Byzantine attack; Byzantine agreement; Byzantine faults; Byzantine generals' problem; Byzantine process; Byzantine Node; Byzantine Generals problem; Byzantine Generals; Byzantine Generals Problem; PBFT; Byzantine failures; Practical Byzantine Fault Tolerance; Practical Byzantine fault tolerance; Byzantine fault tolerance; Byzantine coordination
A Byzantine fault (also Byzantine generals problem, interactive consistency, source congruency, error avalanche, Byzantine agreement problem, and Byzantine failure) is a condition of a computer system, particularly distributed computing systems, where components may fail and there is imperfect information on whether a component has failed. The term takes its name from an allegory, the "Byzantine generals problem", developed to describe a situation in which, in order to avoid catastrophic failure of the system, the system's actors must agree on a concerted strategy, but some of these actors are unreliable.