SGW CDR Call Flow
This section describes the SGW CDR call flow.

Step |
Description |
---|---|
1 |
The GTPC-EP sends the Modify Bearer Request with ULI to the SGW-service pod. |
2 |
The SGW-service pod sends the Sx Mod Request with Query URR to the PFCP proto. |
3 |
The SGW-service pod receives the Sx Mod Response with URR from the PFCP proto. |
4 |
The SGW-service pod generate CDR. |
5 |
The SGW-service pod sends the CDR request to the GTPP-EP. |
6 |
The SGW-service pod triggers a set response () function. |
7 |
The SGW-service pod sends the Modify Bearer Response to the GTPC-EP. |
8 |
The GTPP-EP batches the received CDR requests . |
9 |
The GTPP-EP sends the batched CDR requests to the TmpF5 file. |
10 |
The GTPP-EP receives the CDR ACK from the file system. |
11 |
The GTPP-EP sends GRPC ACK to the SGW-service. |
12 |
The GTPP-EP moves the file to persistent storage when specified criteria (number of records or size or time) meets. |
13 |
The GTPP-EP sends SFTP files from persistent storage to the server. |
14 |
The GTPP-EP receives ACK from the server and moves it to the process directory with different extension. |