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- [CZ01] and [CZ02] - Contain the Control Zone and various management processes for the management of the data repository. Two [CZs] are required for failover purposes, and one of them will be on stand-by.
- [EZ01+DR01], [EZ02+DR02] - Contain the Execution Zones, where the workflows are executed, as well as the Data Repository where all data pertaining to processing is stored. Two [EZs] are required for failover purposes.
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