Content for TR 23.718 Word version: 13.0.0
5 Key Issues p. 7
5.1 Key Issue 1 - Interface for provisioning of traffic steering policy p. 7
5.2 Key Issue 2 - Semantics of traffic steering policy p. 8
5.2.1 Description p. 8
6 Solutions p. 8
6.1 Solutions to Key Issue 1 p. 8
6.1.1 Solution 1.1: Leveraging of the existing PCC framework with Sd interface p. 8
6.1.1.1 Description p. 8
6.1.1.1.1 Sd based solution p. 8
6.1.1.1.2 Sd interface enhancements p. 10
6.1.1.1.3 Traffic steering policy enforcement by TDF p. 10
6.1.1.2 Impacts on existing nodes and functionality p. 11
6.1.1.3 Solution Evaluation p. 11
6.1.2 Solution 1.2: Leveraging of the existing PCC framework with Gx interface p. 12
6.1.2.1 Description p. 12
6.1.2.1.1 Gx based solution p. 12
6.1.2.1.2 Gx interface enhancements p. 14
6.1.2.1.3 Traffic steering policy enforcement by PGW p. 14
6.1.2.2 Impacts on existing nodes and functionality p. 15
6.1.2.3 Solution Evaluation p. 15
6.1.3 Solution 1.3:Dual-Classifier Solution p. 16
6.1.3.1 Architecture Description p. 16
6.1.3.2 Signalling procedures of the control plane alternative p. 17
6.1.3.3 Impacts on existing nodes and functionality p. 18
6.1.3.4 Solution Evaluation p. 18
6.1.4 Solution 1.4: Service steering policy interface p. 18
6.1.4.1 Description p. 18
6.1.4.1.1 Overview p. 18
6.1.4.1.2 Deployment variants p. 19
6.1.4.1.3 Extensions with traffic steering functionality in TDF or PCEF p. 21
6.1.4.1.4 Interface enhancements p. 22
6.1.4.1.5 Procedures p. 23
6.1.4.1.6 Traffic steering policy enforcement in (S)Gi-LAN p. 29
6.1.4.2 Impacts on existing nodes and functionality p. 30
6.1.4.3 Solution Evaluation p. 31
6.2 Solutions to Key Issue 2 p. 32
6.2.1 Solution 2.1: Semantics of traffic steering policy p. 32
6.2.1.1 Description p. 32
6.2.1.1.0 General p. 32
6.2.1.1.1 Components of Traffic Steering Rule p. 32
6.2.1.1.2 Traffic Steering Rule over Sd/Gx interface p. 32
6.2.1.1.3 Traffic Steering Rule over St interface p. 33
6.2.1.1.4 Extensions to PCC and ADC Rules for traffic classification p. 35
6.2.1.2 Impacts on existing nodes and functionality p. 35
6.2.1.3 Solution Evaluation p. 35
6.3 Solutions to Metadata Transferring p. 36
7 Conclusions p. 36
$ Change History p. 38
