Vertical Paxos and Primary-Backup Replication

We introduce a class of Paxos algorithms called Vertical Paxos, in which

reconfiguration can occur in the middle of reaching agreement on an

individual state-machine command. Vertical Paxos algorithms

use an auxiliary configuration master that facilitates agreement on reconfiguration. A special case of these algorithms leads to traditional

primary-backup protocols. We show how primary-backup systems in

current use can be viewed, and shown to be correct, as instances of

Vertical Paxos algorithms.

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Publisher  Microsoft
© 2008 Microsoft Corporation. All rights reserved.



Previous Versions

Leslie Lamport, Dahlia Malkhi, and Lidong Zhou. Brief Announcement: Vertical Paxos and Primary-Backup Replication, Association for Computing Machinery, Inc., August 2009.

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