8.3.3 HSS-initiated Detach Procedure with DSMIPv6 on S2c in untrusted Fixed Broadband Access

23.1393GPP3GPP system - fixed broadband access network interworkingRelease 17Stage 2TS

The procedure in this clause applies to Detach Procedures, initiated by HSS.

Figure 8.3.3-1: HSS-initiated detach procedure with DSMIPv6 on untrusted s2c

NOTE: In the roaming case, the Step 2 terminates at the V-PCRF.

If dynamic policy provisioning over S9a is not deployed, the optional steps 2, 3, 5 and 6 do not occur. Instead, the Fixed Broadband Access network may employ local policies.

1. The description of this step is the same as for steps 1-5 in TS 23 402 [3], clause 7.5.3.

2. If the last PDN connections is released, PCRF initiates Gxb* session termination procedure.

3. Triggered by the IP-CAN session termination in step 1, the PCRF executes a Gateway Control and QoS Rules Provision procedure or, if this is the last PDN Connection for the UE, a PCRF-Initiated Gateway Control Session Termination Procedure with the BPCF.

4. The description of this step is the same as clause 7.3 step 4.

5. The description of this step is the same as clause 7.3 step 5.

6. The description of this step is the same as clause 7.3 step 6.