Warm standby

In this scenario, the warm standby is always running and fully functional, but with the minimal amount of resources, to keep the costs at a minimum. This environment can be used for testing and quality assurance. It is illustrated in the following diagram:

The preparation phase

To prepare, create the required golden AMIs, with all of the dependencies and code built in, so the service can fail over at any time, as a result of a disruption in the active site (on premises). Prepare a replication instance that is constantly updated with the latest primary site transactions.

In the case of a disaster

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