5G Media Streaming Architecture - Relevant Specifications

The 5G Media Streaming architecture is defined in TS 26.501. Protocols and APIs are specified in TS 26.512, with reference to the generalized Media Session Handling to TS 26.510. Profiles, codecs and formats are provided in TS 26.511.

  • 3GPP TS 26.501 - 5G Media Streaming (5GMS); General description and architecture
  • 3GPP TS 26.512 - 5G Media Streaming (5GMS); Protocols
  • 3GPP TS 26.510 - Media delivery; interactions and APIs for provisioning and media session handling
  • 3GPP TS 26.511 - 5G Media Streaming (5GMS); Profiles, codecs and formats

Features: Content Hosting (TS 26.510)

Reference Point Interactions API Name API
M1 5.2.2 Provisioning Sessions API 8.2
M1 5.2.3 Content protocols discovery API 8.3
M1 5.2.4 Server Certificates provisioning API 8.4
M1 5.2.5 Content Preparation Templates provisioning API 8.5
M1 5.2.6 Edge Resources provisioning API 8.6
M1 5.2.7 Policy Templates provisioning API 8.7
M1 5.2.8 Content Hosting provisioning API 8.8
M5 5.3.2 Service Access Information API 9.2

Features: Content Publishing (TS 26.510)

Reference Point Interactions API Name API
M1 5.2.2 Provisioning Sessions API 8.2
M1 5.2.3 Content protocols discovery API 8.3
M1 5.2.4 Server Certificates provisioning API 8.4
M1 5.2.5 Content Preparation Templates provisioning API 8.5
M1 5.2.6 Edge Resources provisioning API 8.6
M1 5.2.7 Policy Templates provisioning API 8.7
M1 5.2.9 Content Publishing provisioning API 8.9
M5 5.3.2 Service Access Information API 9.2

Features: Dynamic Policy instantiation (TS 26.510)

Reference Point Interactions API Name API
M1 5.2.2 Provisioning Sessions API 8.3
M1 5.2.7 Policy Templates provisioning API 8.7
M5 5.3.2 Service Access Information API 9.2
M5 5.3.3 Dynamic Policies API 9.3

Features: Network Assistance (TS 26.510)

Reference Point Interactions API Name API
M5 5.3.2 Service Access Information API 9.2
M5 5.3.4 Network Assistance API 9.4

Features: QoE Metrics reporting (TS 26.510)

Reference Point Interactions API Name API
M1 5.2.2 Provisioning Sessions API 8.3
M1 5.2.11 Metrics Reporting provisioning API 8.10
M5 5.3.2 Service Access Information API 9.2
M5 5.3.5 Metrics Reporting API 9.5

Features: Consumption reporting (TS 26.510)

Reference Point Interactions API Name API
M1 5.2.2 Provisioning Sessions API 8.3
M1 5.2.12 Consumption Reporting provisioning API 8.12
M5 5.3.2 Service Access Information API 9.2
M5 5.3.6 Consumption Reporting API 9.6

Features: UE data collection, reporting and exposure (TS 26.510)

Reference Point Interactions API Name API
M1 5.2.13 Event Data Processing provisioning API 8.13
M5 5.3.5 Metrics Reporting API 9.5
M5 5.3.6 Consumption Reporting API 9.6

Release-19 Advanced Media Delivery

Technical Reports:

Common Media Client Data (CMCD)

  • Specification: CTA-5004 - Web Application Video Ecosystem - Common Media Client Data

  • Stage 3 support summarized in the following CRs: S4-251463 (26.510) and S4aI250146 (26.512)

  • Metrics Reporting Provisining API via M1 defined in TS 26.510, 8.11, with scheme property defined in TS 26.512, 7.8. Service Access Information provided to Media Session Handler via M5.
  • In-band client reporting on M4 (Media Stream Handler - Application Server) defined in TS 26.512, 10.5
  • Client data reporting on M3 (Application Server - Application Function) defined in TS 26.512, 11.4.3
  • Inband client reporting in DASH, defined in TS 26.512, Annex G.5

Alternatives

  • Configuration of Reporting via Service URL defined in TS 26.512, 12.4
  • Configurations and settings API for Media Player via M7d (5GMSd-Aware Application) and M11d (Media Session Handler) defined in clause 13.2.4 of TS 26.512

Event exposure to NWDAF or Event Consumer AF

  • Event exposure on R5/R6 defined in clause 18.3.3 of TS 26.512

Coded Multisource Media Format (CMMF)

  • Specification: ETSI TS 103 973 - Coded Multisource Media Format (CMMF) for Content Distribution and Delivery