v2.5.6 - SCP for Indirect Communication

New Feature

SCP(Service Communication Proxy) is added to support Indirect Communication based on TS29.500. The default Open5GS configuration is provided as an indirect communication using SCP.

  • [amf.yaml] If NFs are configured to use Delegated Discovery through the SCP, you do not need to set up NRF.
amf:
    sbi:
      - addr: 127.0.0.5
        port: 7777

scp:
    sbi:
      - addr: 127.0.1.10
        port: 7777

#nrf:
#    sbi:
#      - addr:
#          - 127.0.0.10
#          - ::1
#        port: 7777
  • [scp.yaml] NRF is needed for Delegated Discovery in SCP configuration.
scp:
    sbi:
      - addr: 127.0.1.10
        port: 7777

#
# next_scp:
#    sbi:
#      addr: 127.0.1.11
#      port: 7777
#

nrf:
    sbi:
      - addr:
          - 127.0.0.10
          - ::1
        port: 7777
  • [nrf.yaml] If there is an SCP in the NRF configuration, a notification(nnrf-nfm/nf-status-notify) is sent through an indirect communication.
nrf:
    sbi:
      addr:
        - 127.0.0.10
        - ::1
      port: 7777

scp:
    sbi:
      - addr: 127.0.1.10
        port: 7777

Enhancements

Bug Fixes

  • [AMD] Added implicit_unsubscribe field to SDMSubscription (#1884) – bmeglicit
  • [SMF] Fixed PTI when PDU Session Reject – ddf09f2
  • [SBI] Do not send empty arrays in NRF/PCF (#1876) – bmeglicit
  • [SGW-C] Fixed the bug of SGW-C session deletion (#1825) – dai9000, cmmacneill53
  • [AMF] Reject registration requests when pool for UE context is empty (#1828) – bmeglicit
  • [AMF] Increase size of TMSI pool (#1827) – bmeglicit
  • [AMF/UDM] Added support to subscribe to SDM changes (#1820) – bmeglicit
  • [PFCP] Do not check qos_flow in PFCP Report message (#1819) – ssafaorhan
  • [PFCP] Fixed invalid message of Dropped DL Traffic threshold (#1817) – ssafaorhan

Download – v2.5.6.tar.gz