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GROUP SPECIFICATION
Next Generation Protocols (NGP);
Scenario Definitions
Disclaimer
The present document has been produced and approved by the Next Generation Protocols (NGP) ETSI Industry Specification
Group (ISG) and represents the views of those members who participated in this ISG.
It does not necessarily represent the views of the entire ETSI membership.
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2 ETSI GS NGP 001 V1.3.1 (2019-01)
Reference
RGS/NGP-001v131
Keywords
core network, cyber security, IoT, mobility,
network, QoE, reliability, security, service, use
case
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3 ETSI GS NGP 001 V1.3.1 (2019-01)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 7
1 Scope . 8
2 References . 8
2.1 Normative references . 8
2.2 Informative references . 10
3 Definition of terms, symbols and abbreviations . 12
3.1 Terms . 12
3.2 Symbols . 19
3.3 Abbreviations . 19
4 Overview . 22
5 Issues to be addressed by the Scenarios . 23
6 Model References . 25
6.0 Introduction . 25
6.1 LTE Mobile Network Model . 25
6.2 L2 and L3 VPN services . 27
6.2.0 Introduction. 27
6.2.1 MPLS/BGP Layer 3 Virtual Private Networks . 28
6.2.2 VPLS, Virtual Private Line Services and Ethernet-VPN . 29
6.3 All IP Core Network Model . 31
6.4 NFV Reference Model . 33
6.5 MEC Reference Model . 34
7 Referenced Use Cases . 34
8 Scenarios . 35
8.1 Addressing . 35
8.1.0 Introduction. 35
8.1.1 Model Architecture . 36
8.1.2 Scenario Description . 37
8.1.2.0 Introduction . 37
8.1.2.1 Scenarios for mobile communication . 37
8.1.2.2 Scenarios for multi-homing and load balancing . 38
8.1.3 Applicable Issues . 39
8.1.4 Applicable Use Cases . 39
8.1.4.1 Case 1: UE communicates with a fixed device; UE is moving within a same P-GW domain . 39
8.1.4.2 Case 2: UE communicates with a fixed device; UE is moving across different P-GW domain . 40
8.1.4.3 Case 3: UE communicates with a fixed device; UE is moving across heterogeneous access
network . 40
8.1.4.4 Case 4: UE communicates with another UE; UE is moving within a same P-GW domain . 41
8.1.4.5 Case 5: UE communicates with another UE; UE is moving across different P-GW domain. 41
8.1.4.6 Case 6: UE communicates with another UE; UE is moving across heterogeneous access network . 42
8.1.4.7 Case 7: Multi-homing host connected to different ISP for link protection or load balance . 42
8.1.4.8 Case 8: Customer network with multi-homing site connected to different ISP for link protection
or load balancing . 42
8.1.5 Scenario Targets . 43
8.2 Security . 44
8.2.1 Model Architecture/Protocol Stacks . 44
8.2.2 Scenario Description . 44
8.2.2.1 Scenario summary . 44
8.2.2.2 Security approach . 44
8.2.2.3 Description of new security challenges . 45
8.2.3 Applicable Issues . 45
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4 ETSI GS NGP 001 V1.3.1 (2019-01)
8.2.4 Applicable Use Cases . 49
8.2.5 Scenario Targets . 49
8.3 Mobility . 51
8.3.1 Model Architecture . 51
8.3.2 Scenario Description . 53
8.3.3 Applicable Issues . 54
8.3.4 Applicable Use Cases . 56
8.3.4.0 Introduction . 56
8.3.4.1 Case 1: Multi-Access, Session & Bearer connection, Same Macro . 56
8.3.4.2 Case 2: Multi-Access, Session & Bearer connection, with Macro HO . 56
8.3.4.3 Case 3: Single Access, Session & Bearer, Same Macro . 56
8.3.4.4 Case 4: Single Access, Multi-Session, Multi-Bearer, Same Macro . 56
8.3.4.5 Case 5: Fast, Single Access, Multi-Session, Multi-Bearer, with Macro HO . 57
8.3.4.6 Case 6: Fast, Multi-Access, Session & Bearer connection, with Macro HO . 57
8.3.4.7 Case 7: Fast, Multi-Access, Session & Bearer connection, with Macro HO . 57
8.3.5 Scenario Targets . 57
8.4 Multi-Access Support (including FMC) . 58
8.4.1 Model Architecture . 58
8.4.2 Scenarios . 58
8.4.3 Scenario Description . 59
8.4.4 Applicable Issues . 60
8.5 Context Awareness . 60
8.5.1 Model Architecture/Protocol Stacks . 60
8.5.2 Scenario Description . 61
8.5.3 Applicable Issues . 64
8.5.4 Applicable Use Cases (from Annex A). 65
8.5.5 Scenario Targets . 65
8.6 Performance Improvement & Content Enablement . 66
8.6.1 Model Architecture . 66
8.6.2 Scenario Descriptions . 68
8.6.2.0 Introduction . 68
8.6.2.1 Scenario #1 - Adaptive video streaming . 69
8.6.2.2 Scenario #2 - 8K Video Streaming . 69
8.6.2.3 Scenario #3 - Live Virtual Reality . 70
8.6.2.4 Scenario #4 - URLLC For Time-Critical IoT . 70
8.6.3 Issues with TCP Congestion Control . 70
8.6.3.1 An appraisal of Congestion Management . 70
8.6.3.2 An Introduction to Current TCP Congestion Mechanisms . 71
8.6.4 Applicable Issues and Recommendations . 72
8.6.5 Applicable Use Cases (from Annex A). 74
8.6.5.0 Introduction . 74
8.6.5.1 Case 1: New Transport Protocol . 74
8.6.5.2 Case 2: Use Case for Flexible Application Traffic Routing . 74
8.6.5.3 Case 3: In-Network Caching . 74
8.6.5.4 Case 4: Deterministic Network Reporting/Profiling . 74
8.6.6 Scenario Targets . 74
8.7 Network Virtualisation . 75
8.7.0 Introduction. 75
8.7.1 Model Architecture . 76
8.7.2 Scenario Description . 80
8.7.2.1 Scenario #1: Network Virtualisation in EPS . 80
8.7.2.2 Scenario #2: Virtualised RAN. 81
8.7.3 Applicable Issues . 82
8.7.4 Applicable Use Cases . 84
8.7.4.1 Case 1: Network Slicing . 84
8.7.4.2 Case 2: Network Slicing: With Simultaneous access to different instances of Virtualised core . 86
8.7.4.3 Case 3: MEC and Network Virtualisation . 86
8.7.4.4 Case 4: Cloud interconnect (Mobile/Fixed networks) . 86
8.7.4.5 Case 5: C-RAN Enhanced Computational Flexibility . 87
8.7.4.6 Case 6: Heterogeneity of RAT . 88
8.7.4.7 Case 7: Performance Enhancement of Low-power RRU . 88
8.7.5 Scenario Targets . 88
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5 ETSI GS NGP 001 V1.3.1 (2019-01)
8.8 IoT Scenario . 90
8.8.1 Model Architecture/Protocol Stacks . 90
8.8.2 Scenario Descriptions . 90
8.8.2.0 Introduction . 90
8.8.2.1 Active Assisted Living (AAL) . 91
8.8.2.2 Cooperation between factories and remote applications . 91
8.8.2.3 Smart glasses in industrial applications . 91
8.8.3 Applicable Issues . 91
8.8.4 Applicable Use Cases (from Annex A). 93
8.9 Energy Efficiency . 93
8.10 eCommerce. 94
8.11 Mobile Edge Computing (MEC) . 94
8.11.0 Introduction. 94
8.11.1 Model Architecture . 95
8.11.2 Applicable Issues and Recommendations . 96
8.11.3 Applicable Use Cases . 97
8.11.3.0 Introduction . 97
8.11.3.1 Case 1: Video Stream Analysis service . 97
8.11.3.2 Case 2: Augmented and Virtual Reality service . 98
8.11.3.3 Case 3: Assistance for intensive computation service . 98
8.11.3.4 Case 4: IoT Gateway service . 98
8.11.3.5 Use Case 5: Connected Vehicles service scenario . 99
8.11.4 Scenario Targets . 100
8.12 Mission Critical Services: PSC and PUC . 100
8.12.0 Introduction. 100
8.13 Drones, Autonomous and Connected Vehicles . 100
8.13.0 Introduction. 100
8.13.1 Model . 100
8.13.2 Scenarios . 101
8.13.3 Applicable Issues and Recommendations . 102
8.13.4 Applicable Use Cases . 104
8.13.4.0 Introduction . 104
8.13.4.1 Hazardous operations . 104
8.13.4.2 Driverless vehicles . 105
8.13.4.3 Automated Convoys ('platooning') . 105
8.13.4.4 Connected vehicles. 105
8.14 URLLC: Ultra-Reliable and Low Latency Communications . 105
8.14.0 Introduction. 105
8.14.1 Model architecture . 106
8.14.2 Scenario description . 107
8.14.2.0 Scenarios Introduction . 107
8.14.2.1 Handover interruption caused by UE's mobility . 107
8.14.2.2 Interruption Latency caused by mobility of application . 108
8.14.2.3 E2E latency enlarged by Indeterminate processing delay in network nodes . 108
8.14.2.4 Conflict between high reliability and low latency under wireless packet loss . 109
8.14.3 Applicable Issues and Recommendations . 109
8.14.4 Use cases . 109
8.13.4.1 Case 1: Local UAV Collaboration . 109
8.14.4.2 Case 2: Industrial Factory Automation . 110
8.14.4.3 Case 3: V2X . 110
8.14.4.4 Scenario Targets . 110
Annex A (informative): Use Cases & Parameterization . 111
Annex B (informative): 5G mobile network model . 126
B.0 Introduction . 126
B.1 References . 126
B.2 Reading the scenarios in the context of 5G . 126
B.3 Key differences from LTE mobile Network Model . 126
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B.4 Service Based Architecture . 126
B.5 5G Protocol stacks . 127
B.5.0 Introduction . 127
B.5.1 User plane protocols . 127
B.5.2 5G Control Plane Protoc
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