Summary - Q Suppl. 78 (02/2025) - Signalling requirements of service function chaining (SFC) with non-uniformly encoded service index in service forwarding path (SFP) changing scenarios

Supplement 78 to the ITU-T Q-series Recommendations describes the signalling requirements of service function chaining (SFC) with a non-uniformly encoded service index (SI) in service forwarding path (SFP) changing scenarios. This Supplement focuses on the signalling between different service function forwarders (SFFs) and controllers.