# Registration Protocol

> The requirement of a defined protocol by which services register and deregister themselves.

Record: `lexicon:registration-protocol`
Kind: constraint
Layer: [Extensibility Core](https://banes-lab.com/records/layer/extensibility-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-registration-protocol

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Keyed Registration](https://banes-lab.com/records/lexicon/keyed-registration.md) and before [API Surface Growth](https://banes-lab.com/records/lexicon/api-surface-growth.md).

## Category

- [Plugin / Extensibility / IoC](https://banes-lab.com/records/lexicon-category/plugin-extensibility-ioc.md)

## Required by

- [Service Registry](https://banes-lab.com/records/architecture/service-registry.md)

## Linked from

- [Plugin / Extensibility / IoC](https://banes-lab.com/ontology/principles/architecture-category-plugin-extensibility-ioc.md)