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TS 26.501
5G Media Streaming (5GMS) –
General Description and Architecture

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V19.2.0 (PDF)  2025/09  300 p.
V18.8.0  2024/12  247 p.
V17.10.0  2024/06  125 p.
V16.15.0  2024/06  83 p.
Rapporteur:
Mr. Gabin, Frederic
Ericsson LM

essential Table of Contents for  TS 26.501  Word version:  19.2.0

each title, in the "available" or "not available yet" area, links to the equivalent title in the CONTENT
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List of Figures and Tables

Table 4.0.1-15G Media Streaming feature index
Figure 4.0.2-1High-level arrangement for content hosting feature
Figure 4.0.2-2High-level arrangement for client data in-band reporting feature
Figure 4.0.3-1High-level arrangement for content publishing feature
Figure 4.0.5-1High-level arrangement for network assistance feature
Figure 4.0.6-1High-level arrangement for dynamic policies
Figure 4.0.6-2Domain model for dynamic policies
Figure 4.0.8-1High-level arrangement for consumption reporting feature
Figure 4.0.9-1High-level arrangement for QoE metrics reporting feature
Figure 4.1.1-15G Media Streaming within the 5G System
Figure 4.1.1-25G Media Streaming general architecture
Figure 4.1.2.1-1Generalized Media Delivery architecture within the 5G System
Figure 4.1.2.2-1Generalized Media Delivery architecture
Table 4.1.2.3-1Mapping of 5GMS functions to generalized Media Delivery architecture
Table 4.1.2.4-1Mapping of 5GMS reference points to generalized Media Delivery architecture
Figure 4.2.1-1Downlink 5G Media Streaming within 5G System
Figure 4.2.1-2Media architecture for unicast downlink media streaming
Figure 4.2.2-1Downlink 5G Media Streaming UE functions (Media Player centric)
Figure 4.2.2-2Downlink 5G Media Streaming UE functions (control-centric)
Table 4.2.3-1Parameters of baseline Service Access Information
Table 4.2.3-1aStreaming Access parameters
Table 4.2.3-2Parameters for consumption reporting configuration
Table 4.2.3-3Parameters for dynamic policy invocation configuration
Table 4.2.3-4Parameters for each metrics configuration set
Table 4.2.3-5Parameters for 5GMSd AF-based Network Assistance configuration
Figure 4.3.1-1Media architecture for unicast uplink media streaming
Figure 4.3.1-2Media architecture for unicast uplink media streaming
Figure 4.3.2-1Uplink 5G Media Streaming UE functions
Table 4.3.3-1Parameters of baseline Service Access Information
Table 4.3.3-2Streaming Access parameters
Table 4.3.3-3Parameters for dynamic policy invocation configuration
Table 4.3.3-4Parameters for 5GMSu AF-based Network Assistance configuration
Figure 4.5.2-1Reference edge-enabled 5GMS media architecture
Figure 4.6.1-1Architecture for downlink 5G Media Streaming over eMBMS
Figure 4.7.1-1Data collection and reporting architecture instantiation for 5G Media Streaming
Table 4.7.2.3-1Common baseline parameters for UE data reporting
Table 4.7.2.4-1Downlink media streaming access activity reporting parameters
Table 4.7.2.4-2Uplink media streaming access activity reporting parameters
Table 4.7.2.5-1ANBR-based Network Assistance reporting parameters
Table 4.7.3.1-1Valid processing of downlink media streaming UE data by the Data Collection AF
Table 4.7.3.2-1Valid processing of uplink media streaming UE data by the Data Collection AF
Table 4.7.4.3-1Common baseline parameters for event collections
Table 4.7.4.3-2Common baseline parameters for event records
Table 4.7.4.4-1Parameters for QoE metrics collection
Table 4.7.4.4-2Parameters for QoE metrics event
Table 4.7.4.5-1Parameters for consumption reporting units collection
Table 4.7.4.5-2Parameters for consumption reporting event
Table 4.7.4.6-1Parameters for dynamic policy invocations collection
Table 4.7.4.6-2Parameters for dynamic policy invocation event
Table 4.7.4.7-1Parameters for Network Assistance invocations collection
Table 4.7.4.7-2Parameters for Network Assistance invocation event
Table 4.7.4.8-1Parameters for media streaming accesses collection
Table 4.7.4.8-2Parameters for media streaming access event
Figure 4.8-1Deployment architecture for downlink media streaming to Media Players with different formats
Figure 4.9.1-1Architecture for 5G Media Streaming over MBS
Table 4.10.2-1Baseline parameters of 3GPP Service URL for 5G Media Streaming
Figure 4.11.2.1-1Mapping of 5G Media Streaming architecture to CAPIF
Figure 4.11.2.2-1Mapping of 5G Media Streaming architecture to CAPIF
Figure 4.11.2.3-1Mapping of 5G Media Streaming architecture to CAPIF
Figure 5.1-1High-level procedure for downlink media streaming
Figure 5.2-1High-level procedure for progressive download for on-demand media
Figure 5.2-2High-level procedure for DASH content
Figure 5.2.4-1High-level procedure for CMAF content shared by different Media Players
Figure 5.2.5.2-1Call flow for authorisation based on access token
Figure 5.2.5.3-1Alternative deployments of authorization server
Figure 5.2.5.3-2Call flow for authorisation based on access token
Figure 5.2.6-1High-level procedure for downlink streaming from multiple service locations within the 5GMS System
Figure 5.3.1-1M1d provisioning domain model
Figure 5.3.1-2M3d configuration domain model
Figure 5.3.2-1High-level procedure for provisioning the 5GMS System for downlink media streaming sessions
Figure 5.3.3-1Alternative deployments of authorization server
Figure 5.3.3-2High-level procedure for provisioning the 5GMS System for downlink media streaming sessions
Figure 5.4.2-1Media ingest and distribution procedure
Figure 5.4.3-1Media ingest and distribution procedure with authorisation of 5GMS AF
Figure 5.4.4-1Media ingest and distribution procedure with multiple service locations
Figure 5.5.2-1Metrics collection and reporting via RAN-based configuration
Figure 5.5.3-1Metrics collection and reporting via 5GMSd AF-based configuration
Table 5.5.4-1Metrics reporting configuration parameters and options
Figure 5.6-1Consumption reporting
Table 5.6.2-2Additional consumption reporting parameters
Figure 5.7.2-1Domain model for dynamic policies
Figure 5.7-1High-level procedure for progressive download for on-demand media
Figure 5.7-2High Level Procedure for DASH content
Table 5.7.5-1Status information dynamic policy
Figure 5.7.6-1High-level procedure for DASH content streaming
Figure 5.7.8-1Call flow for Background Data Transfer session configuration and establishment
Figure 5.7.8-2Call flow for Background Data Transfer session renegotiation/cancellation
Figure 5.7.9-1Downlink media streaming call flow for ECN marking for L4S
Figure 5.7.10-1High-level call flow for QoS monitoring for downlink Media Streaming
Figure 5.8.1-1Dynamic Policy based on Network Slicing for Downlink Streaming
Figure 5.9.1-1Downlink Network Assistance alternative approaches
Figure 5.10.2-1High-level procedure for DASH content delivery via eMBMS
Figure 5.10.3-1Consumption reporting for 5GMS via eMBMS
Figure 5.10.4-1Metrics reporting for 5GMS via eMBMS
Figure 5.10.5-1High-level procedure for hybrid delivery of DASH content
Figure 5.10.5-2High-level procedure for hybrid delivery of DASH content (continued)
Figure 5.10.5-3High-level procedure for hybrid delivery of DASH content (continued)
Figure 5.10.6.1-1High-level procedure for DASH content delivered via eMBMS broadcast-on-demand
Figure 5.10.6.1-2High-level procedure for DASH content delivered via eMBMS broadcast-on-demand (continued)
Figure 5.10.7-1High-level procedure for DASH content delivery via eMBMS with 3GPP Service URL
Figure 5.11.1-1Data collection client configuration for downlink media streaming access reporting
Figure 5.11.2-1Downlink media streaming access reporting
Figure 5.11.2A-1Direct Data Collection Client configuration for downlink media streaming
Figure 5.11.2B-1Direct Data Collection Client reporting for downlink media streaming
Figure 5.11.3-1Downlink media streaming access event exposure
Figure 5.12.2-1High-level procedure for DASH content delivery via MBS
Figure 5.12.3-1Consumption reporting for 5GMS via MBS
Figure 5.12.4-1High-level procedure 5GMS content delivery via 5G System and MBS
Figure 5.12.4-2High-level procedure 5GMS content delivery via 5G System and MBS (continued)
Figure 5.12.4-3High-level procedure for 5GMS content delivery via 5G System and MBS (continued)
Figure 5.12.5.1-1High-level procedure for DASH content delivered via MBS-on-demand
Figure 5.12.5.1-2High-level procedure for DASH content delivered via MBS-on-demand (continued)
Figure 5.13.2-1Client data collection in 5GMSd reported in band via M4d and M3d
Figure 5.14.2-1Procedure for encoding, packaging and encrypting content
Figure 6.1-1High-level call flow for uplink media streaming
Figure 6.2.2.1-1M1u provisioning domain model
Figure 6.2.2.1-2M3u configuration domain model
Figure 6.2.2.2-1High-level procedure for provisioning the 5GMS System for uplink media streaming sessions
Figure 6.2.2.3-1Alternative deployments of authorization server
Figure 6.2.2.3-2High-level procedure for provisioning the 5GMS System for uplink media streaming sessions
Figure 6.2.3-1Media contribution and egest procedure
Figure 6.2.3.3-1Media contribution and egest procedure with authorisation of 5GMSu AF
Figure 6.3.2-1Uplink media streaming session establishment
Figure 6.3.3-1Uplink Streaming Session Establishment
Figure 6.3.3.3-1Alternative deployments of authorization server
Figure 6.3.3.3-2Call flow for authorisation based on access token
Figure 6.4-1Uplink streaming session teardown
Figure 6.5-1Providing 5GMSu AF-based Network Assistance
Figure 6.6-1High-level procedure for remote control of a 5GMS uplink streaming session
Figure 6.7-1RAN Signalling based Uplink Network Assistance
Figure 6.8.1-1Data collection client configuration for uplink media streaming access reporting
Figure 6.8.2-1Uplink media streaming access reporting
Figure 6.8.2A-1Data collection client configuration for uplink media streaming access reporting
Figure 6.8.2B-1Direct Data Collection Client reporting for uplink media streaming
Figure 6.8.3-1Uplink media streaming access event exposure
Figure 6.9.2-1Domain model for dynamic policies for uplink streaming
Figure 6.9.3-1High-level procedure for uplink media streaming session with dynamic policy invocation
Table 6.9.4-1Status information for dynamic policy instance
Figure 6.9.5-1High-level procedure for uplink media streaming with Service Operation Point handling
Figure 6.9.6-1Dynamic Policy based on Network Slicing for uplink streaming
Figure 6.9.7-1Call flow for uplink Background Data Transfer session configuration and establishment
Figure 6.9.7-2Call flow for uplink Background Data Transfer session renegotiation/cancellation
Figure 6.9.8-1Uplink media streaming call flow for ECN marking for L4S
Figure 6.9.9-1High-level call flow for QoS monitoring for uplink Media Streaming
Figure 7.2-1Media processing procedures for downlink media streaming
Figure 7.3-1Media processing procedures for uplink media streaming
Figure 8.1-1Client-driven session establishment
Figure 8.2-1AF-driven management of 5GMS edge processing
Figure 9.1-1Baseline procedure for 3GPP Service URL Handling
Figure A.1-1Downlink media streaming with AF and AS in an external Data Network
Figure A.2-1Downlink media streaming with AF and AS in the trusted Data Network
Figure A.3-1Downlink media streaming with AF and AS in an external Data Network (OTT)
Figure A.4-1Downlink media streaming with AF in the trusted Data Network and AS in external Data Network
Figure A.5-1 Downlink media streaming with AS in external Data Network, provisioned by AF in the trusted Data Network
Figure A.6-1Downlink media streaming with AS in the trusted Data Network, provisioned by AF in external Data Network
Figure A.7-1Downlink media streaming with AF and AS in the trusted Data Network
Figure A.8-1Downlink media streaming with AFs in two trusted Data Networks sharing AS in external Data Network
Figure A.9-1Downlink media streaming with AF and AS in external Data Network delivering through two trusted Data Networks (OTT)
Figure A.10-1Uplink media streaming with AF and AS in trusted Data Network
Figure A.10-2Call flow for uplink media streaming using content preparation with AF and AS in trusted Data Network
Figure A.11-1Uplink media streaming (media plane only) with AF and AS in the trusted Data Network
Figure A.11-2Uplink media streaming using content preparation (media plane only) with AF and AS in the trusted Data Network
Figure A.12-1Uplink media streaming (media plane only) with provisioning and AS in the external domain
Figure A.12-2Call flow for Uplink media streaming using content preparation (media plane only) with provisioning and AS in the external domain
Figure A.13-1Uplink media streaming AF in the trusted Data Network and AS in the external domain
Figure A.13-2Call flow for uplink media streaming using content preparation with AF in the trusted Data Network and AS in the external domain
Figure A.14-1Uplink media streaming with AF and AS in the external domain
Figure A.14-2Call flow for uplink media streaming using content preparation with AF and AS in the external domain
Figure A.15.2-1Cascaded uplink and downlink media streaming with external content re-ingestion
Figure A.15.2-2Call flow for cascaded uplink and downlink media streaming using content preparation with external content re-ingestion
Figure A.15.3-1Cascaded uplink and downlink media streaming with direct content re-ingestion
Figure A.15.3-2Call flow for cascaded uplink and downlink media streaming using content preparation with direct push-based content re-ingestion
Figure A.15.3-3Call flow for cascaded uplink and downlink media streaming using content preparation with direct pull-based content re-ingestion
Figure A.15.4-1Cascaded uplink and downlink media streaming with internal content re-ingestion
Figure A.16.2-15GMSd Application Provider content preparation and ingest for downlink media streaming from multiple service locations
Figure A.16.2-2Procedure for 5GMSd Application Provider content preparation and ingest for downlink media streaming from multiple service locations
Figure A.16.3-1Centralized 5GMSd AS content preparation and ingest for downlink media streaming from multiple service locations
Figure A.16.3-2Procedure for centralized 5GMSd AS content preparation and ingest for downlink media streaming from multiple service locations
Figure A.16.4-1Decentralized 5GMSd AS content preparation and ingest for downlink media streaming from multiple service locations
Figure A.16.4-2Procedure for decentralized 5GMSd AS content preparation and ingest for downlink media streaming from multiple service locations
Figure B.2-1DNS based resolution of 5GMSd AF in trusted DN
Figure B.2-2Message Sequence Chart for DNS-based resolution
Figure B.3-1HTTPS based resolution of 5GMSd AF in Trusted DN
Figure B.3-2Message Sequence Chart for HTTPS based resolution
Figure C.2-1Collaboration 5GMS-MBMS 1: 5GMS Content Provider uses different delivery networks
Figure C.3-1Collaboration 5GMS-MBMS 2: 5GMS Network Operator offloads to 5G Broadcast Network Operator
Figure C.4-1Collaboration 5GMS-MBMS 3: 5GMS Service Operator includes MBMS network
Figure C.5-1Collaboration 5GMS-MBMS 4: 5G Broadcast Service Provider offloads to 5G MNO
Figure E.2-1Per-application authorisation collaboration scenario
Figure E.3-1Per-Application authorisation collaboration scenario
Figure F.2-1Call flow for bootstrapping application invocation on a Network Slice
Figure G.1.2-1Media streaming with AF and AS in the trusted Data Network with Network Slicing
Figure G.1.3-1Media streaming with AF and AS in an external Data Network (OTT) with Network Slicing
Figure G.1.4-1Media streaming with AFs in two trusted Data Networks sharing AS in external Data Network with Network Slicing
Figure G.2.2-1Media streaming with AS in external Data Network accessible through two different network slices
Figure G.2.3-1Media streaming with AS deployed in multiple trusted Data Networks
Figure G.2.3-2Media streaming with single AS serving traffic through multiple Data Networks
Figure G.3.2-1Network slice for all applications in the enterprise UE
Figure G.3.2-2Network slice for enterprise profile applications
Figure G.3.3-1Network slice for specific application for enterprise users
Figure G.3.4-1Network slice for specific application for all users
Figure H.2-1Multi-access media delivery using different ATSSS steering mechanisms
Table H.2-1Application awareness of UE steering functionalities

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