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State Replication is the simpler of Talon's 2 HA High Availability models. With State Replication Talon replicates changes to state and the outbound messages emitted by your application's message handlers. In the event of failover to a backup your application's state is available at the same point where processing left off, and the engine will retransmit any outbound messages that were left in doubt as a result of the failure. 

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A basic state replication application is straightforward. A quick way to get started is to use the nvx-talon-sr-processor-archetype described in Talon Maven Archetype Quick StartsArchetypes. The general flow for creating a state replication application involves:

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