Content for TR 26.891 Word version: 16.0.0
4 5G System Overview
5 Mapping of Existing Media Services
6 Mapping of New Media Services and Verticals
7 API Aspects
8 Summary and Conclusions
$ Change history
4 5G System Overview p. 8
4.1 Introduction p. 8
4.2 Network Functions and Interfaces p. 8
4.3 Non-Roaming Architecture p. 11
4.4 Roaming Architecture p. 13
4.5 High Level Features of 5G System for Media Delivery p. 14
4.5.1 Introduction p. 14
4.5.2 Usage of UL Classifiers for PDU Session p. 14
4.5.3 Support for Local Area Data Network p. 15
4.5.4 Application Function Influence on Traffic Routing p. 15
4.5.5 Support for Edge Computing p. 16
4.5.6 Network slices in the 5G system p. 16
4.6 5G QoS Model p. 17
4.6.1 Qos Processing p. 17
4.6.2 QoS Parameters p. 18
5 Mapping of Existing Media Services p. 18
5.1 Media Distribution Systems p. 18
5.1.1 Introduction p. 18
5.1.2 Media Distribution Functions p. 19
5.1.2.1 Edge Media Delivery function p. 19
5.1.2.2 Delivery Core function p. 19
5.1.2.3 Content Origin function p. 19
5.1.2.4 Content Preparation p. 20
5.1.2.4.1 Live Linear Ingest p. 20
5.1.5.4.2 Control p. 20
5.1.5.4.3 VOD ingest p. 20
5.1.5.4.4 Other files p. 21
5.2 Identified Issues in Mapping to 5G System p. 21
5.2.1 Network Interface Considerations p. 21
5.2.2 5G QoS Considerations for Media Distribution p. 21
5.3 Potential Mapping to 5G System p. 22
6 Mapping of New Media Services and Verticals p. 25
6.1 Introduction p. 25
6.2 Media Production p. 25
6.2.1 Introduction p. 25
6.2.2 FLUS Framework Usage in 5G p. 25
6.3 AR and XR Services - Use Cases and Context p. 27
6.3.1 Service Description p. 27
6.3.2 Potential Issues on AR/XR/VR (new) p. 28
6.3.3 Key Issue and Recommendations p. 29
6.4 Conditional and Dynamic Policies for Application Instances p. 29
6.4.1 Service Description and new issues p. 29
6.4.2 Potential Architecture enhancement p. 30
6.4.3 Example procedure for VoD Preloading case p. 31
6.4.4 Example procedure for Audio PodCast case (changing priority) p. 32
6.4.5 Example procedure for a FLUS session with QoS p. 32
6.4.6 Relation to other SA4 Network Assistance Functions p. 33
6.4.7 Interface to 3rd Party Service Provider p. 33
6.4.8 Summary of Proposals p. 33
6.5 Cloud Media Processing in 5G p. 33
6.5.1 Introduction p. 33
6.5.2 5G System Considerations p. 34
7 API Aspects p. 35
7.1 Introduction p. 35
7.2 Use Cases p. 35
7.2.1 Introduction p. 35
7.2.2 OTT Service Provider p. 35
7.2.3 Browser-based consumption p. 35
7.2.4 Ad Insertion p. 35
7.2.5 Live Services p. 35
7.2.6 VR Services p. 35
7.3 Interoperability Considerations p. 36
7.3.1 Background p. 36
7.3.2 Potential Solutions for Capability Discovery p. 38
7.3.2.1 Media Profile p. 38
7.3.2.2 3G-FF/ISO BMFF/DASH/CMAF Header/Initialization Segment p. 39
7.3.2.3 MIME Sub-parameters p. 39
7.3.2.4 Media Capabilities p. 39
7.3.2.5 Device Capability - Persistent Item Solution p. 40
7.3.2.6 Playback Capabilities p. 40
7.3.2.7 MBMS Feature Tags p. 40
7.3.2.8 PSS Capability Exchange p. 40
7.4 Key Issue and Recommendations p. 40
8 Summary and Conclusions p. 40
8.1 General Summary p. 40
8.1.1 General p. 40
8.1.2 Support from AFs p. 41
8.1.3 Addressing Application Servers p. 41
8.1.4 QoS Management p. 41
8.1.5 Other Functions p. 41
8.2 Conclusions p. 42
$ Change history p. 43
