VPLMN Roaming Offloading Policy Insights
Explore the VPLMN roaming offloading policy details including sources, content, and implications on DNS request routing. Find information on AF influence, DNS traffic routing, and more, to enhance your understanding of this critical aspect of network management.
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Presentation Transcript
Edge Ph2 drafting 22/02/2023 Patrice H d , rapporteur
Agenda KI#1 Source of VPLMN roaming offloading policy AF influence request path in VPLMN routing of UE DNS requests to vEASDF DNS request traffic routing between vEASDF and HPLMN DNS server
VPLMN roaming offloading policy (covered by "Technical issue 2" in 2771) source can be UDM or PCF 2814 (Samsung): hPCF hSMF 2685 (Huawei): hPCF hSMF 2831 (Nokia): UDM hSMF agreement: 1 solution PCF preference: 4 UDM preference: 2 we will go for PCF source
VPLMN roaming offloading policy (covered by "Technical issue 2" in 2771) content of VPLMN roaming offloading policies 2685 (Huawei), 2832 (Nokia): FQDN range(s) and/or IP address range(s) 2816 (Samsung): FQDN range(s) and/or IP address range(s), Authorized Session AMBR for Local part of DN 2335 (Ericsson): FQDN range, IP range, AMBR for the local part of DN and charging policy FQDN range(s) and/or IP address range(s) Authorized Session AMBR for Local part of DN double check if can be covered by existing parameter charging policy double check if already covered? FFS
AF influence request path in VPLMN 2519/2520 (Samsung): vAF vNEF vUDR vSMF 2691/2692 (Huawei), 2828/2829/2830 (Nokia): vAF vNEF vUDR ; vUDR vNEF vSMF flow // notification vAF vNEF vUDR ; vUDR vNEF vSMF
routing of DNS requests to vEASDF (covered by "Technical issue 1" in 2771) 2335(Ericsson): NAT at the PSA 2685(Huawei): via UL-CL/BP+PSA not discussed in drafting
DNS request traffic routing between vEASDF and HPLMN DNS server (covered by "Technical issue 6" in 2771) 2399 (CMCC): UL/CL in VPLMN to change dest IP address from vEASDF to HPLMN DNS server 2827 (Nokia): DNS traffic injection with tunnels issue includes keeping privacy of DNS requests we will not attempt to resolve this in this meeting, this will be discussed further in CC before next meeting. may improve EN in the meantime.
