TSC Assistance Container Insights
Discover key observations and guidelines related to TSC Assistance Container and TSCAI, including the determination of parameters, QoS rules, and interactions between entities like AF, NEF, and PCF. Stay informed about updates required in standards based on these insights.
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Presentation Transcript
AIS, TSCAI and TSC Assistance Container Chunshan Xiong chunshxiong@tencent.com
TSC Assistance Container (PTP Time Domain) Time Domain (Optional) Flow Direction Periodicity Burst Arrival time (Optional) Survival Time (Optional) TSCAI (5GS Time) Flow Direction Periodicity Burst Arrival time (Optional) Survival Time (Optional) SMF SMF BAT in TSCA BAT in TSCAI is determined based on BAT in TSC Resident Time Resident Time Survival Time in TSCAI Survival Time in TSCAI is also determined based on Survival Time in TSC Periodicity in TSCAI Periodicity in TSCAI is also determined based on the Periodicity in TSC BAT in TSC- -A A- -C C with the time drift/rateRatio time drift/rateRatio, CN CN- -PDB PDB and UE UE- -DS DS- -TT TT Survival Time in TSC- -A A- -C C with the rateRatio the Periodicity in TSC- -A A- -C C with the rateRatio rateRatio. rateRatio. Observation 1: AF can directly create/generate the TSC Assistance Container and the SMF can determine the Observation 1: AF can directly create/generate the TSC Assistance Container and the SMF can determine the TSCAI based on TSC TSCAI based on TSC- -A A- -C ( C (both in the AF both in the AF PCF and AF PCF and AF NEF Observation 2: NEF does NOT need to create/generate the TSC Assistance Container. Observation 2: NEF does NOT need to create/generate the TSC Assistance Container. Observation 3: The TS23.501/2/3 needs to be updated based on above observations. Observation 3: The TS23.501/2/3 needs to be updated based on above observations. NEF PCF cases PCF cases). ).
2.NEF TSC QoS 1.AF TSC QoS 3.PCF TSC QoS Rules Requested 5GS delay, Requested GFBR, Requested MFBR, Requested PDB, Requested GFBR, Requested MFBR, Requested PDB, Requested GFBR, Requested MFBR, NEF (Untrusted AF) or PCF NEF (Untrusted AF) or PCF (Trusted AF) (Trusted AF) GFBR(1) = GFBR(2) = GFBR(3) MFBR(1) = MFBR(2) = MFBR(3) PDB(2) = PDB (3) 5GS delay(1) (UE-DS-TT Resident Time) = PDB (2 or 3) Observation 4: PDB determination is NOT related with time domain(or time synchronization) but with Observation 4: PDB determination is NOT related with time domain(or time synchronization) but with the architecture architecture ( with UE ( with UE- -DS DS- -TT). TT). Observation 5: If the PCF receives the direct TSC QOS request from the AF, the PCF can determine the Observation 5: If the PCF receives the direct TSC QOS request from the AF, the PCF can determine the requested PDB based on the Requested 5GS delay and UE requested PDB based on the Requested 5GS delay and UE- -DS information, the PCF copies the PDB from the 5GS delay; information, the PCF copies the PDB from the 5GS delay; Observation 6: If the PCF receives the TSC QOS request from the NEF, the PCF copy the PDB from the NEF TSC Observation 6: If the PCF receives the TSC QOS request from the NEF, the PCF copy the PDB from the NEF TSC QoS Request ; QoS Request ; Observation 7: For the Observation 7: For the AIS AIS, normally, there is no UE , normally, there is no UE- -DS DS- -TT is used for the cloud gaming/AR/VR, in such case, UE UE- -DS DS- -TT Resident Time=0, and the PCF can also copy the PDB from the direct AF TSC QoS Request. TT Resident Time=0, and the PCF can also copy the PDB from the direct AF TSC QoS Request. the DS- -TT Resident Time. If there is no UE TT Resident Time. If there is no UE- -DS New CR New CR DS- -TT TT TT is used for the cloud gaming/AR/VR, in such case,
AIS and TSC and Time Synchronization Cloud Gaming service are widely used from 4G and cloud gaming user are greater than several hundred Million user in global. All these mobile CG users are connected to 4G and 5G without DS-TT and without time synchronization requirements. The basic assumption for the AIS is no time synchronization is required and no DS-TT is used and Trusted AF can directly provide TSC Assistance container and QoS Requirements to the PCF with the 5GS delay = PDB. It is allowed that the AIS can be provided in the time synchronized 5G network, e.g. the industrial AR/VR may need time synchronization. In such case, the Trusted AF can directly provide TSC Assistance container and QoS Requirements to the PCF and the PCF can determine the PDB = 5GS Delay ( UE-DS-TT Resident Time ). The WID of AIS focuses on the QoS-related standards. Observation 8: The basic assumption for the AIS is no time synchronization is required and no DS Observation 8: The basic assumption for the AIS is no time synchronization is required and no DS- -TT is used. Observation 9: For the AIS, the Trusted AF can directly provide TSC Assistance container and QoS Requirements Observation 9: For the AIS, the Trusted AF can directly provide TSC Assistance container and QoS Requirements to the PCF with the 5GS Delay = PDB; to the PCF with the 5GS Delay = PDB; Observation 10: The industrial AR/VR may need time synchronization, in such case, the Trusted AF can directly Observation 10: The industrial AR/VR may need time synchronization, in such case, the Trusted AF can directly provide TSC Assistance container and QoS Requirements to the PCF and the PCF can determine the PDB = 5GS provide TSC Assistance container and QoS Requirements to the PCF and the PCF can determine the PDB = 5GS Delay Delay ( UE ( UE- -DS DS- -TT Resident Time ). TT Resident Time ). TT is used.
