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full Contents for  TS 23.501  Word version:   16.4.0

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1…   3…   4…   4.2.4   4.2.5…   4.2.8…   4.2.8.2.2   4.2.8.2.3…   4.2.8.4…   4.2.9…   4.3…   4.3.3   4.3.4   4.3.5   4.4…   4.4.6…   4.4.8   5…   5.3…   5.3.3…   5.4…   5.5…   5.6…   5.6.7…   5.7…   5.7.2…   5.7.3…   5.7.4   5.7.5…   5.8…   5.8.2.11…   5.9…   5.10…   5.11…   5.15…   5.16…   5.17…   5.18…   5.19…   5.21…   5.22…   5.27…   5.28…   5.29…   5.30…   5.31…   5.32…   5.33…   5.34…   5.35…   6…   6.3…   7…   7.2…   8…   8.2.4   8.2.5…   8.3…   A…   D…   E…   F   G…   G.3   G.4…   J…

 

4.3.3  Interworking between 5GC via non-3GPP access and E-UTRAN connected to EPCWord-p. 58
4.3.3.1  Non-roaming architecture
Figure 4.3.3.1-1 represents the non-roaming architecture for interworking between 5GC via non-3GPP access and EPC/E-UTRAN.
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NOTE 1:
There can be another UPF (not shown in the Figure above) between the N3IWF/TNGF and the UPF + PGW-U, i.e. the UPF + PGW-U can support N9 towards an additional UPF, if needed.
NOTE 2:
N26 interface is not precluded, but it is not shown in the Figure because it is not required for the interworking between 5GC via non-3GPP access and EPC/E-UTRAN.
4.3.3.2  Roaming architectureWord-p. 59
Figure 4.3.3.2-1 represents the Roaming architecture with local breakout and Figure 4.3.3.2-2 represents the Roaming architecture with home-routed traffic for interworking between 5GC via non-3GPP access and EPC/E-UTRAN.
Up
NOTE 1:
There can be another UPF (not shown in the Figure above) between the N3IWF/TNGF and the UPF + PGW-U, i.e. the UPF + PGW-U can support N9 towards the additional UPF, if needed.
NOTE 2:
S9 interface from EPC is not required since no known deployment exists.
NOTE 3:
N26 interface is not precluded, but it not shown in the Figure because it is not required for the interworking between 5GC via non-3GPP access and EPC/E-UTRAN.
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NOTE 4:
N26 interface is not precluded, but it not shown in the Figure because it is not required for the interworking between 5GC via non-3GPP access and EPC/E-UTRAN.

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