School of Specs 23.501v20.2.0

3GPP 23.501 v20.2.0 — the document's own text

5.34.2.3 Roaming architecture

Taught in 26. Relays, satellites, femtos and shared networks (The 5G system architecture, in depth).

Figure 5.34.2.3-1 depicts 5G System roaming architecture in the case of local break out scenario where the SMF controlling the UPF connecting to NG-(R)AN is separated from the SMF controlling PDU Session anchor, using the reference point representation.

Figure 5.34.2.3-1: Roaming 5G System architecture with SMF/I-SMF - local breakout scenario in reference point representation
Figure 5.34.2.3-1: Roaming 5G System architecture with SMF/I-SMF - local breakout scenario in reference point representation

For the case of home routed scenario, Figure 4.2.4-6 applies.