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Unity Director 14.00 provides user and query routing between multiple Teradata systems. This satisfies two requirements – routing users to a system that has data to satisfy their queries and re-routing users during planned or unplanned system outages. Hence, end users receive the ultimate benefit of continuous, transparent access to data. In addition, Unity Director provides high availability, disaster recovery, and data synchronization for multiple Teradata systems. For more information on Unity Director 14.00 please follow the links provided at the end of this article.

In this article, I will provide details of various routing rules that can be created using Unity Director 14.00. One can choose from various routing rule modes Auto, Preferred and Balanced. I will be explaining how reads and writes can be configured in these modes.