+----+
                           -| S1 |-
+-----+                   / +----+ \
| gNB |-            SRv6 /   SRv6   \ +----+   +--------+    +-----+
+-----+  \              /     VNF    -| C1 |---| SRGW-B |----| UPF |
   GTP[N3]\ +--------+ /              +----+   +--------+    +-----+
           -| SRGW-A |-                SRv6   SR Gateway-B     GTP
            +--------+                  TE
           SR Gateway-A