Data Mesh is a relatively new approach to data architecture that emphasizes decentralization and domain-driven ownership of data. The concept was first introduced by Zhamak Dehghani, a Thoughtworks consultant, in 2019.
In a Data Mesh architecture, data is treated as a product, and each product is owned by a specific domain team that is responsible for the quality, governance, and delivery of that data. Each domain team has the autonomy to decide how their data is collected, processed, and shared with other teams. This approach contrasts with traditional centralized data management approaches, where a central team is responsible for defining data models, building data pipelines, and enforcing data governance policies.
The main principles of a Data Mesh architecture include:
Domain-driven design: Data is organized by business domains, and domain experts are responsible for the quality and governance of their data products.
Self-service data infrastructure: Each domain team has the autonomy to choose the data technologies that best fit their needs and can build their own data infrastructure.
Federated data governance: Governance policies are implemented by domain teams, and a federated governance model is used to ensure data quality and consistency across the organization.
Data products: Data is treated as a product, and domain teams are responsible for delivering high-quality data products to other teams and consumers.
The main benefits of a Data Mesh architecture include:
Improved agility: Data Mesh allows teams to work independently and make decisions that best fit their needs, which can improve agility and accelerate time-to-market.
Increased data quality: By decentralizing ownership of data, domain experts can ensure the quality and accuracy of their data products.
Better alignment with business needs: Data Mesh enables teams to focus on the specific business domains they support, which can improve alignment with business needs.
Easier data integration: By treating data as a product, Data Mesh enables easier integration of data across different domains and teams.
In summary, Data Mesh is an emerging data architecture approach that emphasizes decentralization and domain-driven ownership of data products. This approach can provide benefits such as increased agility, improved data quality, better alignment with business needs, and easier data integration.