Viewstamped Replication Revisited
Author(s)Liskov, Barbara; Cowling, James
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This paper presents an updated version of Viewstamped Replication, a replication technique that handles failures in which nodes crash. It describes how client requests are handled, how the group reorganizes when a replica fails, and how a failed replica is able to rejoin the group. The paper also describes a number of important optimizations and presents a protocol for handling reconfigurations that can change both the group membership and the number of failures the group is able to handle.
VR, state machine replication, consensus, fault-tolerance, agreement