Tech-invite  3GPPspace  IETFspace
21  22  23  24  25  26  27  28  29  31  32  33  34  35  36  37  38  4‑5x

Content for  TS 23.214  Word version:  18.0.0

Top   Top   Up   Prev   Next
1…   4.3…   5…   5.6…   5.10…   6…   6.3…   6.3.1.2   6.3.1.3…   6.3.1.6…   6.3.2…   6.3.3…   6.3.3.4…   6.3.3.7…   6.3.4…   6.3.4.2…   6.3.4.2.2   6.3.4.3   6.4…   7… 
6.3.4.2 Procedures with PDN connection modification  6.3.4.2.1 Procedures with SGSN terminating S4 interface 
...

 

6.3.4.2  Procedures with PDN connection modification  p. 68

6.3.4.2.1  Procedures with SGSN terminating S4 interface  p. 68
This clause defines interactions between the CP and UP function during the following procedures related to the modification of a PDN connection.
Group 1 Procedures for Location Management, Handover, Service Request and Inter-System Change:
  • Inter SGSN Routeing Area Update Procedure:
    • Including steps specific for S4 SGSN: Inter SGSN Routeing Area Update and Combined Inter SGSN RA / LA Update using S4.
  • Combined RA / LA Update in the Case of Inter SGSN RA Update Procedure:
    • Including steps specific for S4 SGSN: Inter SGSN Routeing Area Update and Combined Inter SGSN RA / LA Update using S4.
  • Iu mode RA Update Procedure:
    • Including steps specific for S4 SGSN: Routeing Area Update Procedure using S4.
  • SRNS Relocation Procedure.
  • Combined Hard Handover and SRNS Relocation Procedure.
  • Combined Cell / URA Update and SRNS Relocation Procedure:
    • Including steps specific for S4 SGSN: Serving RNS Relocation Procedure, Combined Hard Handover and SRNS Relocation Procedure, and Combined Cell / URA Update and SRNS Relocation Procedure Using S4.
  • Enhanced Serving RNS Relocation:
    • Including steps specific for S4 SGSN: Enhanced Serving RNS Relocation Procedure using S4.
  • MS Initiated Service Request Procedure.
  • Network Initiated Service Request Procedure:
    • Including steps specific for S4 SGSN: UE Initiated Service Request Procedure Using S4.
  • Iu mode to A/Gb mode Intra SGSN Change:
    • Including steps specific for S4 SGSN: Iu mode to A/Gb mode Intra SGSN Change using S4.
  • A/Gb mode to Iu mode Intra SGSN Change:
    • Including steps specific for S4 SGSN: A/Gb mode to Iu mode Intra-SGSN Change using S4.
  • Iu mode to A/Gb mode Inter-SGSN Change:
    • Including steps specific for S4 SGSN: Iu mode to A/Gb mode Inter-SGSN Change using S4.
  • A/Gb mode to Iu mode Inter SGSN Change:
    • Including steps specific for S4 SGSN: A/Gb mode to Iu mode Inter-SGSN Change using S4.
  • GPRS Paging Procedure (A/Gb mode):
    • S4 specific handling in Paging response for GPRS Downlink Transfer with no established user plane on S4.
Group 2 UE/SGSN initiated PDN connection modification:
  • Secondary PDP Context Activation Procedure for A/Gb mode.
  • Secondary PDP Context Activation Procedure for Iu mode:
    • Including steps specific for S4 SGSN: Secondary PDP Context Activation Procedure, PDP Creation part, using S4.
  • MS-Initiated PDP Context Modification Procedure, A/Gb mode.
  • MS-Initiated PDP Context Modification Procedure, Iu mode.
  • SGSN-Initiated PDP Context Modification Procedure, A/Gb mode.
  • SGSN-Initiated PDP Context Modification Procedure, Iu mode:
    • Including steps specific for S4 SGSN: Request part of SGSN-Initiated EPS Bearer Modification Procedure using S4, and Update part of SGSN-Initiated EPS Bearer Modification Procedure using S4.
  • MS Initiated PDP Context Deactivation Procedure for A/Gb mode (without Teardown Ind).
  • MS Initiated PDP Context Deactivation Procedure for Iu mode (without Teardown Ind).
  • SGSN-initiated PDP Context Deactivation Procedure (without Teardown Ind):
    • Steps specific for S4 SGSN: MS-and SGSN Initiated Bearer Deactivation Procedure.
Group 3 PGW initiated PDN connection modification:
  • Network Requested Secondary PDP Context Activation Procedure using S4.
  • GGSN-Initiated PDP Context Modification Procedure:
    • Including steps specific for S4 SGSN: PGW-Initiated Bearer Modification Procedure, A/Gb mode.
  • GGSN-Initiated PDP Context Modification Procedure:
    • Including steps specific for S4 SGSN: PGW-Initiated Bearer Modification Procedure, Iu mode.
  • GGSN-initiated PDP Context Deactivation Procedure (without Teardown Ind):
    • Including steps specific for S4 SGSN: PGW-initiated Bearer Deactivation Procedure.
During the above procedures, following is the nature of interactions between the CP and UP function:
  • The SGW-C informs the SGW-U to modify the Sx session.
  • The PGW-C informs the PGW-U to modify the Sx session.
Copy of original 3GPP image for 3GPP TS 23.214, Fig. 6.3.4.2.1-1: Interaction between CP and UP function with PDN connection modification, Group 1
Figure 6.3.4.2.1-1: Interaction between CP and UP function with PDN connection modification, Group 1
(⇒ copy of original 3GPP image)
Up
Step 1.
Procedure as listed in this step is initiated as specified in the relevant clauses of this specification. The relevant steps of the procedure as specified in the Figure above are executed.
Step 2a.
The SGW-C may send an Sx Session Modification Request to the SGW-U to update the Sx session.
Step 2b.
The SGW-U sends an Sx Session Modification Response to the SGW-C confirming the update the Sx session.
Step 2c.
The relevant steps of the procedure as specified in the Figure above are executed.
Step 3a.
The PGW-C may send an Sx Session Modification Request to the PGW-U to update the Sx session.
Step 3b.
The PGW-U sends an Sx Session Modification Response to the PGW-C confirming the update the Sx session.
Step 4.
The relevant steps of the procedure as specified in the Figure above are executed.
Copy of original 3GPP image for 3GPP TS 23.214, Fig. 6.3.4.2.1-2: Interaction between CP and UP function with PDN connection modification, Group 2
Figure 6.3.4.2.1-2: Interaction between CP and UP function with PDN connection modification, Group 2
(⇒ copy of original 3GPP image)
Up
Step 1.
Procedure as listed in this step is initiated as specified in the relevant clauses of this specification. The relevant steps of the procedure as specified in the Figure above are executed.
Step 2a.
The PGW-C may send an Sx Session Modification Request to the PGW-U to update the Sx session. For "Secondary PDP Context Activation Procedure", PGW-C may request PGW-U to allocate F-TEID for the dedicated bearer. For "MS- or SGSN- Initiated PDP Context Deactivation Procedure", PGW-C shall request PGW-U to stop counting and stop forwarding packets for the affected bearers.
Step 2b.
The PGW-U sends an Sx Session Modification Response to the PGW-C confirming the update the Sx session.
Step 3.
The relevant steps of the procedure as specified in the Figure above are executed.
Step 4a.
The SGW-C may send an Sx Session Modification Request to the SGW-U to update the Sx session. For "Secondary PDP Context Activation Procedure", SGW-C requests SGW-U to allocate F-TEID for the dedicate bearer. For "MS- or SGSN Initiated PDP Context Deactivation Procedure", SGW-C shall request SGW-U to stop counting and stop forwarding packets for the affected bearers.
Step 4b.
The SGW-U sends an Sx Session Modification Response to the SGW-C confirming the update the Sx session.
Step 5.
The relevant steps of the procedure as specified in the Figure above are executed.
Step 6a.
The SGW-C may send an Sx Session Modification Request to the SGW-U to update the Sx session. For "Secondary PDP Context Activation Procedure", the SGW-C shall include the F-TEIDu of the activated bearer received from the S4 SGSN or RNC. For "MS- or SGSN- initiated PDP Context Modification" with bearer QoS update procedure, SGW-C provides updated QoS parameters to SGW-U. For "MS- or SGSN Initiated PDP Context Deactivation Procedure", SGW-C shall request SGW-U to remove the PDR for the affected bearers.
Step 6b.
The SGW-U sends an Sx Session Modification Response to the SGW-C confirming the update the Sx session.
Step 7.
The relevant steps of the procedure as specified in the Figure above are executed.
Step 8a.
The PGW-C may send an Sx Session Modification Request to the PGW-U to update the Sx session. For "Secondary PDP Context Activation Procedure", the PGW-C shall include the F-TEIDu of the activated bearer received from the SGW. For "MS- or SGSN- Initiated PDP Context Deactivation Procedure", the PGW-C shall request PGW-U to remove the PDR for the affected bearers.
Step 8b.
The PGW-U sends an Sx Session Modification Response to the PGW-C confirming the update the Sx session.
Copy of original 3GPP image for 3GPP TS 23.214, Fig. 6.3.4.2.1-3: Interaction between CP and UP function with PDN connection modification, Group 3
Figure 6.3.4.2.1-3: Interaction between CP and UP function with PDN connection modification, Group 3
(⇒ copy of original 3GPP image)
Up
Step 1.
Procedure as listed in this step is initiated as specified in the relevant clauses of this specification. The relevant steps of the procedure as specified in the Figure above are executed.
Step 2a.
The PGW-C may send an Sx Session Modification Request to the PGW-U to update the Sx session. For "Network Requested Secondary PDP Context Activation Procedure", PGW-C may request PGW-U to allocate F-TEID for the dedicated bearer. For "GGSN Initiated PDP Context Deactivation Procedure", PGW-C shall request PGW-U to stop counting and stop forwarding packets for the affected bearers.
Step 2b.
The PGW-U sends an Sx Session Modification Response to the PGW-C confirming the update the Sx session.
Step 3a.
The SGW-C may send an Sx Session Modification Request to the SGW-U to update the Sx session. For "Network Requested Secondary PDP Context Activation Procedure", SGW-C requests SGW-U to allocate F-TEID for the dedicated bearer. For "GGSN Initiated PDP Context Deactivation Procedure", SGW-C shall request SGW-U to stop counting and stop forwarding packets for the affected bearers.
Step 3b.
The SGW-U sends an Sx Session Modification Response to the SGW-C confirming the update the Sx session.
Step 4.
The relevant steps of the procedure as specified in the Figure above are executed.
Step 5a.
The SGW-C may send an Sx Session Modification Request to the SGW-U to update the Sx session. For "Network Requested Secondary PDP Context Activation Procedure", the SGW-C shall include the F-TEIDu of the activated bearer received from the S4 SGSN or RNC. For "GGSN initiated PDP Context Modification" with bearer QoS update, SGW-C provides updated QoS parameters to SGW-U. For "GGSN Initiated PDP Context Deactivation Procedure", SGW-C shall request SGW-U to remove the PDR for the affected bearers.
Step 5b.
The SGW-U sends an Sx Session Modification Response to the SGW-C confirming the update the Sx session.
Step 6.
The relevant steps of the procedure as specified in the Figure above are executed.
Step 7a.
The PGW-C may send an Sx Session Modification Request to the PGW-U to update the Sx session. For "Network Requested Secondary PDP Context Activation Procedure", the PGW-C shall include the F-TEIDu of the activated bearer received from the SGW. For "GGSN initiated PDP Context Modification" with bearer QoS update, PGW-C provides updated QoS parameters to PGW-U. For "GGSN Initiated PDP Context Deactivation Procedure", the PGW-C shall request PGW-U to remove the PDR for the affected bearers.
Step 7b.
The PGW-U sends an Sx Session Modification Response to the PGW-C confirming the update the Sx session.
Up

Up   Top   ToC