# Own Data per Service

> A technique for giving each service its own store and letting others reach the data only through its contract.

Record: `lexicon:own-data-per-service`
Kind: technique
Layer: [Execution Core](https://banes-lab.com/records/layer/execution-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-own-data-per-service

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Introduce Async Event](https://banes-lab.com/records/lexicon/introduce-async-event.md) and before [Offset Tracking](https://banes-lab.com/records/lexicon/offset-tracking.md).

## Category

- [Event Messaging Async](https://banes-lab.com/records/lexicon-category/event-messaging-async.md)

## Refactors

- [Distributed Monolith](https://banes-lab.com/records/architecture/distributed-monolith.md)
- [Autonomy](https://banes-lab.com/records/architecture/autonomy.md)
- [Microservices](https://banes-lab.com/records/architecture/microservices.md)

## Linked from

- [Anti-patterns](https://banes-lab.com/ontology/principles/architecture-category-anti-patterns.md)
- [Core Modular Design](https://banes-lab.com/ontology/principles/architecture-category-core-modular-design.md)
- [Codebase / System Architecture Styles](https://banes-lab.com/ontology/principles/architecture-category-codebase-system-architecture-styles.md)