3GPP TS 23501-g51 中英文对照 | 4.3.2 Roaming architecture

Posted 2021-09-07 COCOgsta

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4.3.2 Roaming architecture

Figure 4.3.2-1 represents the Roaming architecture with local breakout and Figure 4.3.2-2 represents the Roaming architecture with home-routed traffic for interworking between 5GS and EPC/E-UTRAN.

图4.3.2-1表示具有本地分流的Roaming架构，图4.3.2-2表示具有用于5GS和EPC/E-UTRAN之间互通的home-routed流量的Roadming架构。

 

Figure 4.3.2-1: Local breakout roaming architecture for interworking between 5GS and EPC/E-UTRAN

NOTE 1: There can be another UPF (not shown in the figure above) between the NG-RAN and the UPF + PGW-U, i.e. the UPF + PGW-U can support N9 towards the additional UPF, if needed.

注1：NG-RAN和UPF+PGW-U之间可以有另一个UPF（上图中未显示），即，如果需要，UPF+PGW-U可以支持N9朝向附加UPF。

 

NOTE 2: S9 interface from EPC is not required since no known deployment exists.

Figure 4.3.2-2: Home-routed roaming architecture for interworking between 5GS and EPC/E-UTRAN