In Two-Phase Commit, the Coordinator operates in two steps: first asking all participants to prepare and vote, then instructing all to commit or abort based on the votes. All participants must be reachable for this protocol to proceed.
In Two-Phase Commit, the Coordinator operates in two steps: first asking all participants to prepare and vote, then instructing all to commit or abort based on the votes. All participants must be reachable for this protocol to proceed.
A Transaction Coordinator is the central node in a distributed transaction that initiates and orchestrates all participating nodes. It ensures that either all nodes commit or all roll back, preserving atomicity across the system.