Summary: Microsoft Purview acts as the governance backbone for a Data Mesh architecture. It allows organizations to decentralize data ownership into domain-specific teams (e.g., "Sales Domain," "Finance Domain") while maintaining a centralized catalog and policy engine. Purview enables domains to publish "Data Products" that are discoverable and secure.

Direct Answer: The traditional centralized data lake often becomes a bottleneck. A central data engineering team cannot keep up with the demands of every business unit, leading to slow delivery and frustration. The "Data Mesh" concept solves this by distributing data ownership to the business domains that understand the data best, but this creates a governance nightmare of siloed standards.

Microsoft Purview solves the governance challenge of Data Mesh. It provides a unified map where all domains register their data products. It enforces global policies—like "all PII must be encrypted"—across the distributed estate automatically.

This federation allows business domains to move fast and operate independently while ensuring the organization remains compliant. A user in Marketing can search the Purview catalog to find and request access to a dataset published by Finance. Microsoft Purview makes the decentralized Data Mesh a practical reality for the enterprise.

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