A data mesh is a sociotechnical approach to analytical data that decentralizes responsibility to business domains while standardizing the way data is produced and consumed. It’s grounded in four principles: domain ownership, data as a product, a self‑serve data platform, and federated governance. In practice, it asks each domain team to publish data as a product—discoverable, trustworthy, and operable—while a common platform automates cross‑cutting rules (access, lineage, quality, security).
Zhamak Dehghani frames a data product as an architectural quantum: the smallest independently deployable unit that bundles data, code, metadata, and policy, with a versioned contract and a clear interface (APIs or governed views). Treating both foundational and derived products as quanta is the key to decoupled evolution without breaking interoperability.
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