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Content for  TS 26.501  Word version:  16.8.0

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A  Usage Guidelines for collaboration scenariosWord‑p. 69

A.0  GeneralWord‑p. 69

This annex describes a set of collaboration scenarios and deployment options of the 5G Media Streaming architecture. The intention is to illustate different deployment options.
Note that the scenarios focus on the ownership of the functions. Scalability realizations such as a CDN are not illustrated. As result of the scalability considerations, the M4d-serving 5GMSd AS and/or M5d-serving 5GMSd AF may:
  • Consist of multiple (physical) servers, which may be addressed using a single FQDN. A load balancer forwards client requests to one of these servers. Forwarding may be via HTTP redirects or transparent towards the client.
  • Consist of multiple (physical) servers, where different servers, or different groups of servers, may be addressed with different FQDNs. The client may be made aware of this via the manifest (i.e. listing multiple base URLs).
  • Be addressed with a single FQDN. For example, the MNO AS is mostly transparent and acts as a proxy/cache.

A.1  Collaboration 1Word‑p. 69

This collaboration scenario represents a typical OTT collaboration scenario, where the 5GMSd AF and 5GMSd AS are deployed in an external Data Network.
Copy of original 3GPP image for 3GPP TS 26.501, Figure A.1-1: Collaboration 1
Figure A.1-1: Collaboration 1
(⇒ copy of original 3GPP image)
The interfaces M1d' and M2d' may be similar to interfaces M1d and M2d respectively. Interface M4d follows 3GPP specifications.

A.2  Collaboration 2Word‑p. 70

This collaboration scenario represents a MNO CDN scenario, where the CDN is used for ingest and delivery of the content.
Copy of original 3GPP image for 3GPP TS 26.501, Figure A.2-1: Collaboration 2
Figure A.2-1: Collaboration 2
(⇒ copy of original 3GPP image)

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