# JAAS

> JAAS is an enterprise layer on top of Juju that provides centralized controller management, OIDC authentication, and ReBAC authorization.


2026 CC-BY-SA, Canonical Group Ltd

## Pages in this subsection

- [Manage Juju controllers](https://documentation.ubuntu.com/jaas/latest/howto/manage-juju-controllers.md): Learn how to add, remove, and manage Juju controllers in JAAS for centralized model management across multiple controllers.

## Optional

- [Top-level llms.txt](https://documentation.ubuntu.com/jaas/latest/llms.txt): Complete documentation index.