Study on UPF enhancement for Exposure and SBA; Phase 2
This Technical Report continues the study on key issue description, solution and conclusion on UPF enhancement for Exposure and SBA Phase 2.
The scopes include the following aspects:
- Study potential enhancements on UPF selection to discover UPF with specific user plane functionalities, e.g. NAT, Packet inspection, etc.;
- Study potential enhancements on UPF event exposure service to optimize the procedures related to UPF data collection, e.g. direct/indirect subscription of the UPF via control plane from application;
- Study potential enhancements to support the AF instruction via 5GC to UPF for packet inspection (e.g. UPF detection of certain IP header, HTTP header, etc.) for UL/DL traffic, as well as report collection of the indicated packet inspection from UPF.