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FLP Impossibility

Definition

FLP Impossibility refers to a fundamental theoretical limit in distributed computing concerning consensus in asynchronous networks. It states that in an asynchronous distributed system, if even one process can fail by crashing, no deterministic consensus algorithm can guarantee agreement among all non-faulty processes. This concept highlights the inherent difficulty of achieving reliable agreement in environments where message delays are unpredictable. It underscores a significant challenge for building fault-tolerant distributed systems.