# External System Isolation

> The ability to isolate the core from external systems behind adapter boundaries.

Record: `lexicon:external-system-isolation`
Kind: capability
Layer: [Structural Core](https://banes-lab.com/records/layer/structural-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-external-system-isolation

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Decentralized Ownership](https://banes-lab.com/records/lexicon/decentralized-ownership.md) and before [Framework Independence](https://banes-lab.com/records/lexicon/framework-independence.md).

## Category

- [Codebase / System Architecture Styles](https://banes-lab.com/records/lexicon-category/codebase-system-architecture-styles.md)

## Enabled by

- [Hexagonal Architecture](https://banes-lab.com/records/architecture/hexagonal-architecture.md)

## Linked from

- [Codebase / System Architecture Styles](https://banes-lab.com/ontology/principles/architecture-category-codebase-system-architecture-styles.md)