---
type: entity
title: DFN-AAI
tags: [federation, authentication, academic-network]
related: [shibboleth, universitat-greifswald]
created: 2026-06-30
updated: 2026-06-30
sources: ["output/rz_uni_greifswald_de_dienste_allgemein_shibboleth_loginvorgang.md"]
---

# DFN-AAI

**DFN-AAI** (Deutsche Forschungsnetz - Academic and Administrative Infrastructure) is the federation used during the [[shibboleth]] login process to facilitate cross-institutional authentication.

In the context of the Universität Greifswald, users select DFN-AAI as the federation before selecting the university as their home institution to access external licensed databases or other federated services.
