Features under implementation

MBS development over Open5GS

The 5G-MAG Reference Tools for MBS currently target:

  • Multicast transport over N6mb (from AF to MB-UPF).
  • Shared delivery on the 5G Core (from MB-UPF to gNBs).
  • Point to Multipoint (PTM) delivery on RAN (from gNBs to UE).

The following features are supported:

  • MB-SMF TMGI Service API (Following 3GPP TS 29.532 - Release 17.4.0)
    • TMGI Allocate Service operation
    • TMGI Deallocate Service operation
  • MB-SMF MBS Session Service API (Following 3GPP TS 29.532 - Release 17.4.0)
    • MBS Session Create Service operation
    • MBS Session Release Service operation
  • MB-SMF PFCP Session Establishment extensions (Following 3GPP TS 29.244 - Release 17.9.0)
    • PFCP Session Establishment Request extensions
  • MB-UPF PFCP Session Establishment extensions (Following 3GPP TS 29.244 - Release 17.9.0)
    • PFCP Session Establishment Response extensions

The following features are not yet supported:

  • AMF MBS Broadcast Service API (Following 3GPP TS 29.518 - Release 17.11.0)
    • MBS Broadcast ContextCreate Service operation
    • MBS Broadcast ContextRelease Service operation
  • AMF NGAP extensions (Following 3GPP TS 38.413 - Release 17.6.0)
    • BROADCAST SESSION SETUP REQUEST
  • gNB NGAP extensions (Following 3GPP TS 38.413 - Release 17.6.0)
    • BROADCAST SESSION SETUP RESPONSE
  • NRF NFDiscovery Service API extensions (Following 3GPP TS 29.510 - Release 17.11.0)
    • MB-SMF TMGI Service API extensions
    • MB-SMF MBS Session Service API extensions
    • AMF MBS Broadcast Service API extensions