What is used to collate and aggregate data?
In IBM Guardium, the System Shared Secret is the value used by collectors, aggregators, and the Central Manager to encrypt and later decrypt exported and archived data files, which is the mechanism that makes centralized collation and aggregation of data across appliances possible. Because export and aggregation only succeed when every participating system uses the identical shared secret, this value must be set consistently across the Central Manager, its managed units, and any aggregators. API tokens and "unique global identifier" values are used for authentication or object identification rather than for combining data from multiple appliances, and there is no Guardium concept named a merge secret.
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