6G • Core Network
Federated AMF
Federated Multi-Domain Access and Mobility Engine
An access management function architecture distributed across multiple administrative domains and cloud providers for instant cross-network mobility.
Technical Explanation
In 5G, moving between different operator networks or between private and public cellular domains required slow, complex roaming signaling between separate AMFs. The 6G Federated AMF utilizes secure multi-party computation and distributed cryptographic ledgers to maintain unified user state. Devices transition across private factory networks, municipal smart city cells, and national operator grids with zero authentication delay.
Key Functions
- Unified access and connection management across heterogeneous multi-operator clouds
- Sub-millisecond cross-domain mobility handovers between private and public 6G slices
- Cryptographically verified state synchronization without exposing private subscriber keys
- Eliminating centralized AMF bottlenecking in massive metropolitan deployments
- Distributed registration tracking for high-density autonomous vehicle swarms
Specifications
3GPP Rel-19 TS 23.501 Evolution, GSMA Multi-Operator 6G Blueprint
Interfaces
Namf-6gN-fed-auth
Related 6G Concepts
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