Content for TR 26.803 Word version: 17.0.0
4 Overview of Relevant Architectures
5 Use Cases for Edge Media Processing
6 Potential 5GMS Architecture Extensions
7 Conclusions and Recommendations
A Deployment Scenarios
B Selected Use Case Mapping
$ Change history
4 Overview of Relevant Architectures p. 8
4.1 General p. 8
4.2 SA6 Edge Architecture p. 8
4.2.1 Edge computing architecture p. 8
4.2.2 High-level call flows for EAS relocation scenarios p. 13
4.3 SA2 Edge Support p. 15
4.3.1 Overview p. 15
4.3.2 Process of Discovering EAS p. 17
4.3.2.1 General p. 17
4.3.2.2 DNS-based solutions for Multiple PDU Sessions p. 17
4.3.2.3 DNS-based solutions for Distributed Anchors p. 18
4.3.2.4 DNS-based solutions for Session Breakout p. 18
4.3.3.5 Summary of DNS based EAS Discovery p. 18
4.3.3.6 Discussion p. 18
4.3.4 Summary of EAS relocation solutions p. 19
4.4 SA5 Edge Management p. 19
4.5 5GMS Architecture p. 20
5 Use Cases for Edge Media Processing p. 21
5.1 General p. 21
5.2 Downlink Streaming Use Cases p. 21
5.2.1 Caching Downlink Streaming Content p. 21
5.2.2 Split Rendering p. 22
5.2.3 User-generated live streaming p. 25
5.2.4 Augmented Video Streaming p. 29
5.2.5 Generalized Split and Cloud Rendering and Processing p. 31
5.2.6 Photo-realistic AR Rendering in Network p. 32
5.2.7 Media Services in the Edge p. 34
5.2.8 Partial delivery of 3D content (point cloud, mesh) for AR/MR device p. 35
5.3 Uplink Streaming Use Cases p. 36
5.3.1 Multi-Camera Uplink Stream Processing p. 36
5.3.2 Cloud/Split Rendering of Immersive Live Events p. 39
5.3.3 Pandemic Stadium p. 40
5.4 Analysis of Use Cases p. 42
5.4.1 Summary p. 42
5.4.2 Use Cases requiring only downlink media streaming p. 43
5.4.2.1 Caching downlink streaming content p. 43
5.4.2.2 Split rendering p. 43
5.4.2.3 Generalized split and cloud rendering and processing p. 43
5.4.2.4 Cloud/split rendering of immersive live events p. 44
5.4.2.5 Pandemic stadium p. 44
5.4.2.6 Media services in the edge p. 44
5.4.3 Use Cases requiring only uplink media streaming p. 44
5.4.4 Use Cases requiring both uplink and downlink media streaming p. 44
6 Potential 5GMS Architecture Extensions p. 45
6.1 General p. 45
6.2 EMSA Architecture p. 45
6.3 Generic Call Flows for Media Session Establishment p. 46
6.3.1 General p. 46
6.3.2 Client-driven edge discovery p. 47
6.3.3 AP-driven management of 5GMS edge processing p. 50
6.3.4 Application Context Relocation for EAS instances p. 51
6.4 Identified Gaps in Architecture and Procedures p. 54
7 Conclusions and Recommendations p. 55
A Deployment Scenarios p. 57
B Selected Use Case Mapping p. 59
$ Change history p. 66
