In computer networking and distributed databases, the three-phase commit protocol (3PC)[1] is a distributed algorithm that ensures all nodes in a system agree to commit or abort a transaction. It improves upon the two-phase commit protocol (2PC) by eliminating the possibility of indefinite blocking caused by a specific type of failure during the commit phase.
- ^ Skeen, Dale (February 1982). A Quorum-Based Commit Protocol (Technical report). Department of Computer Science, Cornell University.
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