AMF vs SMF vs UPF
A side-by-side breakdown of the three core 5G core network functions - AMF, SMF, and UPF - and the role each plays in session and mobility management.
This article is a placeholder. Full write-up coming soon.
A side-by-side breakdown of the three core 5G core network functions - AMF, SMF, and UPF - and the role each plays in session and mobility management.
What this article will cover
- AMF: Access and Mobility Management Function responsibilities
- SMF: Session Management Function and PDU session control
- UPF: User Plane Function and the control/user plane split (CUPS)
- How AMF, SMF, and UPF interact during registration and session setup
- Why this separation matters for network slicing and edge deployment
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