Content for TR 23.799 Word version: 14.0.0
6 Solutions
6.1 Solutions for Key Issue 1: Support of network slicing
6.2 Solutions for Key Issue 2: QoS framework
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6 Solutions p. 51
6.1 Solutions for Key Issue 1: Support of network slicing p. 51
6.1.1 Solution 1.1: Network Slicing without Slicing the radio p. 51
6.1.1.1 Architecture description p. 51
6.1.1.2 Function description p. 53
6.1.1.3 Solution evaluation p. 58
6.1.2 Solution 1.2: Network slice selection p. 58
6.1.2.1 Architecture description p. 60
6.1.2.2 Function description p. 63
6.1.2.2.1 Functions. p. 63
6.1.2.2.2 Reference points p. 63
6.1.2.2.3 High level operation description p. 63
6.1.2.2.4 Definitions used in the solution p. 65
6.1.2.2.5 Example procedures p. 66
6.1.2.3 Solution evaluation p. 73
6.1.3 Solution 1.3: Support of multiple connections to multiple Network Slices p. 73
6.1.3.1 Architecture description p. 73
6.1.3.2 Function description p. 77
6.1.3.3 Solution evaluation p. 79
6.1.4 Void
6.1.5 Solution 1.5: Selection of a network slice instance p. 79
6.1.5.1 Terminology and modelling p. 79
6.1.5.2 Architecture description p. 80
6.1.5.3 Function description p. 81
6.1.5.4 Solution evaluation p. 83
6.1.6 Solution 1.6: Slice Instance ID based Network Slice Selection p. 83
6.1.6.1 Architecture description p. 84
6.1.6.2 Function description p. 84
6.1.6.2.1 Definitions and functions p. 84
6.1.6.2.2 Common Network Functions p. 85
6.1.6.2.3 The Attach procedure p. 85
6.1.6.2.4 Slice Instance ID update due to subscription change p. 87
6.1.6.3 Solution evaluation p. 87
6.1.7 Solution 1.7: Network Slice Selection based on Usage Class p. 87
6.1.8 Solution 1.8: Network slice instance reselection p. 89
6.1.8.1 Definition and categorization of slice reselection p. 89
6.1.8.2 Scenarios for slice reselection p. 90
6.1.8.3 Function description p. 91
6.1.8.4 Solution evaluation p. 92
6.1.9 Solution 1.9: Multiple Independent Slices per UE p. 92
6.1.9.1 Architecture description p. 92
6.1.9.2 Signalling Procedures p. 94
6.1.9.2.1 Attach Procedures p. 94
6.1.9.2.2 Routing Area Update Procedure p. 97
6.1.9.2.3 Detach Procedure p. 98
6.1.9.3 Solution evaluation p. 98
6.1.10 Solution 1.10: Roaming architecture for Network Slicing based on solution#2 p. 98
6.1.10.1 - p. 99
6.1.10.1.1 Basic Non-roaming architecture p. 99
6.1.10.1.2 Home-routed roaming architecture p. 99
6.1.10.1.3 Local breakout roaming architecture supporting Home PLMN Application Function p. 100
6.1.10.1.4 Local breakout roaming architecture supporting Home PLMN Application Function p. 101
6.1.10.2 Solution evaluation p. 101
6.1.11 Solution 1.11: Network Slice Instance Selection and Association p. 101
6.2 Solutions for Key Issue 2: QoS framework p. 105
6.2.1 Solution 2.1: Per PDU Flow QoS Model p. 105
6.2.1.1 Architecture description p. 105
6.2.1.1.1 Relation between PDU Flow and Service Data Flow p. 107
6.2.1.1.2 Application requirements input p. 108
6.2.1.1.3 Network Authorized QoS parameters p. 109
6.2.1.2 Function description p. 110
6.2.1.2.1 QoS Authorization at PDU session establishment p. 110
6.2.1.2.2 QoS Authorization based on application requirements p. 111
6.2.1.3 Solution evaluation p. 112
6.2.2 Solution 2.2: Flow based QoS framework p. 113
6.2.2.1 Architecture description p. 113
6.2.2.2 Function description p. 116
6.2.2.3 Solution evaluation p. 119
6.2.3 Solution 2.3: Content Aware QoS Framework p. 119
6.2.3.1 Overview p. 119
6.2.3.2 Architecture description p. 120
6.2.3.3 QoS related information exchanged between network functions p. 122
6.2.3.4 Function description p. 125
6.2.3.5 Solution evaluation p. 126
6.2.4 Solution 2.4: QoS model for QoS Authorization and Request p. 126
6.2.4.1 Architecture description p. 126
6.2.4.2 Function description p. 126
6.2.5 Solution 2.5: QoS model for flexible traffic differentiation p. 128
6.2.5.1 Architecture description p. 128
6.2.5.1.1 Functional Architecture p. 128
6.2.5.1.2 Applications Requirements Input p. 128
6.2.5.1.3 Packet Markings for Traffic Differentiation p. 128
6.2.5.2 Function description p. 130
6.2.6 Solution 2.6: QoS ID solution p. 130
6.2.6.1 Architecture description p. 130
6.2.6.2 Function description p. 131
6.2.6.3 Solution evaluation p. 132
6.2.7 Solution 2.7: QoS framework for resource management for Mission Critical Group Communications p. 132
6.2.7.1 Architecture Description p. 132
6.2.7.2 Functional Description p. 133
6.2.7.3 Solution evaluation p. 134
6.2.8 Solution 2.8: Application-based uplink traffic identification p. 134
6.2.8.1 Solution Description p. 134
6.2.8.2 Function description p. 135
6.2.8.3 Solution evaluation p. 135
6.2.9 Solution 2.9: NextGen Bearer based QoS control model p. 135
