[{"name":"S2-2105353","title":"L-PSA and I-SMF release during mobiity procedure with I-SMF change or removal","source":"Nokia, Nokia Shanghai Bell","contact":"Laurent Thiebaut","contact-id":68713,"tdoctype":"CR","for":"Approval","abstract":"Summary of change: When an L-PSA is controlled by an I-SMF and the I-SMF is to be removed, the SMF provides N4 information to indicate L-PSA removal. The I-SMF needs to wait for the N4 information from SMF to release the L-PSA. This allows the SMF to receive the proper last value of the monitoring counters held by the L-PSA to keep the source L-PSA and UL CL to fulfill following requirement (see Figure 4.3.5.7-1): even though due to UE mobility a target UL CL\/ L-PSA and a target I-SMF are used for a PDU Session, the SMF may have been configured (via an UE IP address preservation indication within Nnef_Traffic_Influence) to keep a N9 data forwarding tunnel between source and target UL CL as long as the end of active traffic over this N9 forwarding tunnel has not been detected.","secretary_remarks":"Merged into S2-2106595","agenda_item_sort_order":44,"ainumber":"7.10.6","ainame":"Enhancing Topology of SMF and UPF in 5G Networks (ETSUN)","tdoc_agenda_sort_order":12750,"status":"merged","reservation_date":"2021-07-22 16:57:58","uploaded":"2021-08-09 20:02:52","revisionof":"","revisedto":"","release":"Rel-16","crspec":23.502,"crspecversion":"16.9.0","workitem":[{"winame":"ETSUN"}],"crnumber":2894.0,"crrevision":"","crcategory":"F","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_146E_Electronic_2021-08\/Docs\/S2-2105353.zip","group":"S2","meeting":"S2-146-e","year":2021,"uicc_affected":null,"me_affected":null,"ran_affected":null,"cn_affected":null,"clauses_affected":null,"crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2105354","title":"L-PSA and I-SMF release during mobiity procedure with I-SMF change or removal","source":"Nokia, Nokia Shanghai Bell","contact":"Laurent Thiebaut","contact-id":68713,"tdoctype":"CR","for":"Approval","abstract":"Rel-17 mirror CR: Summary of change: When an L-PSA is controlled by an I-SMF and the I-SMF is to be removed, the SMF provides N4 information to indicate L-PSA removal. The I-SMF needs to wait for the N4 information from SMF to release the L-PSA. This allows the SMF to receive the proper last value of the monitoring counters held by the L-PSA to keep the source L-PSA and UL CL to fulfill following requirement (see Figure 4.3.5.7-1): even though due to UE mobility a target UL CL\/ L-PSA and a target I-SMF are used for a PDU Session, the SMF may have been configured (via an UE IP address preservation indication within Nnef_Traffic_Influence) to keep a N9 data forwarding tunnel between source and target UL CL as long as the end of active traffic over this N9 forwarding tunnel has not been detected.","secretary_remarks":"Postponed","agenda_item_sort_order":44,"ainumber":"7.10.6","ainame":"Enhancing Topology of SMF and UPF in 5G Networks (ETSUN)","tdoc_agenda_sort_order":12760,"status":"postponed","reservation_date":"2021-07-22 16:57:59","uploaded":"2021-08-09 20:02:52","revisionof":"","revisedto":"","release":"Rel-17","crspec":23.502,"crspecversion":"17.1.0","workitem":[{"winame":"ETSUN"}],"crnumber":2895.0,"crrevision":"","crcategory":"A","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_146E_Electronic_2021-08\/Docs\/S2-2105354.zip","group":"S2","meeting":"S2-146-e","year":2021,"uicc_affected":null,"me_affected":null,"ran_affected":null,"cn_affected":null,"clauses_affected":null,"crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2105750","title":"Source I-SMF release for PDU Session not requested for handover","source":"ZTE","contact":"Jinguo Zhu","contact-id":32987,"tdoctype":"CR","for":"Approval","abstract":"Clarify how the Source I-SMF release the resource for PDU session not requested for handover","secretary_remarks":"Revised to S2-2106597.","agenda_item_sort_order":44,"ainumber":"7.10.6","ainame":"Enhancing Topology of SMF and UPF in 5G Networks (ETSUN)","tdoc_agenda_sort_order":12810,"status":"revised","reservation_date":"2021-08-09 14:18:18","uploaded":"2021-08-10 16:01:56","revisionof":"","revisedto":"S2-2106597","release":"Rel-16","crspec":23.502,"crspecversion":"16.9.0","workitem":[{"winame":"ETSUN"},{"winame":" TEI16"}],"crnumber":2971.0,"crrevision":"","crcategory":"F","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_146E_Electronic_2021-08\/Docs\/S2-2105750.zip","group":"S2","meeting":"S2-146-e","year":2021,"uicc_affected":null,"me_affected":null,"ran_affected":null,"cn_affected":null,"clauses_affected":null,"crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2105751","title":"Source I-SMF release for PDU Session not requested for handover","source":"ZTE","contact":"Jinguo Zhu","contact-id":32987,"tdoctype":"CR","for":"Approval","abstract":"Rel-17 mirror CR: Summary of change: For all PDU sessions in the UE context, the T-AMF determines I-SMF needs to be changed or removed, and sends N2 info notification to S-AMF. The S-AMF then release the source I-SMF if an indication of I-SMF change\/removal is received from T-AMF. If the Source I-SMF receives release with I-SMF only indication, and if there is no request from T-AMF to retrieve the SM context, the Source I-SMF starts a timer to release the SM resource.","secretary_remarks":"Revised to S2-2106598.","agenda_item_sort_order":44,"ainumber":"7.10.6","ainame":"Enhancing Topology of SMF and UPF in 5G Networks (ETSUN)","tdoc_agenda_sort_order":12830,"status":"revised","reservation_date":"2021-08-09 14:18:19","uploaded":"2021-08-10 16:01:56","revisionof":"","revisedto":"S2-2106598","release":"Rel-17","crspec":23.502,"crspecversion":"17.1.0","workitem":[{"winame":"ETSUN"},{"winame":" TEI17"}],"crnumber":2972.0,"crrevision":"","crcategory":"A","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_146E_Electronic_2021-08\/Docs\/S2-2105751.zip","group":"S2","meeting":"S2-146-e","year":2021,"uicc_affected":null,"me_affected":null,"ran_affected":null,"cn_affected":null,"clauses_affected":null,"crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2106116","title":"L-PSA release during mobiity procedure with I-SMF removal","source":"Huawei, HiSilicon","contact":"Marco Spini","contact-id":8356,"tdoctype":"CR","for":"Approval","abstract":"Summary of change: When the L-PSA controlled by I-SMF is inserted before and the I-SMF is to be removed, the SMF provides N4 information to indicate L-PSA removal. Per the received N4 information the I-SMF release the L-PSA.","secretary_remarks":"Revision of (Postponed) S2-2104382 from S2-145E. Revised to S2-2106595, merging S2-2105353","agenda_item_sort_order":44,"ainumber":"7.10.6","ainame":"Enhancing Topology of SMF and UPF in 5G Networks (ETSUN)","tdoc_agenda_sort_order":12770,"status":"revised","reservation_date":"2021-08-10 09:18:05","uploaded":"2021-08-10 15:08:40","revisionof":"S2-2104382","revisedto":"S2-2106595","release":"Rel-16","crspec":23.502,"crspecversion":"16.9.0","workitem":[{"winame":"ETSUN"}],"crnumber":2812.0,"crrevision":2.0,"crcategory":"F","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_146E_Electronic_2021-08\/Docs\/S2-2106116.zip","group":"S2","meeting":"S2-146-e","year":2021,"uicc_affected":null,"me_affected":null,"ran_affected":null,"cn_affected":null,"clauses_affected":null,"crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2106117","title":"L-PSA release during mobiity procedure with I-SMF removal","source":"Huawei, HiSilicon","contact":"Marco Spini","contact-id":8356,"tdoctype":"CR","for":"Approval","abstract":"Rel-17 mirror CR: Summary of change: When the L-PSA controlled by I-SMF is inserted before and the I-SMF is to be removed, the SMF provides N4 information to indicate L-PSA removal. Per the received N4 information the I-SMF release the L-PSA.","secretary_remarks":"Revision of (Postponed) S2-2104383 from S2-145E. Revised to S2-2106596.","agenda_item_sort_order":44,"ainumber":"7.10.6","ainame":"Enhancing Topology of SMF and UPF in 5G Networks (ETSUN)","tdoc_agenda_sort_order":12790,"status":"revised","reservation_date":"2021-08-10 09:18:06","uploaded":"2021-08-10 15:08:40","revisionof":"S2-2104383","revisedto":"S2-2106596","release":"Rel-17","crspec":23.502,"crspecversion":"17.1.0","workitem":[{"winame":"ETSUN"}],"crnumber":2813.0,"crrevision":2.0,"crcategory":"A","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_146E_Electronic_2021-08\/Docs\/S2-2106117.zip","group":"S2","meeting":"S2-146-e","year":2021,"uicc_affected":null,"me_affected":null,"ran_affected":null,"cn_affected":null,"clauses_affected":null,"crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2106595","title":"L-PSA release during mobiity procedure with I-SMF removal","source":"Huawei, HiSilicon","contact":"Marco Spini","contact-id":8356,"tdoctype":"CR","for":"Approval","abstract":"Summary of change: When the L-PSA controlled by I-SMF is inserted before and the I-SMF is to be removed, the SMF provides N4 information to indicate L-PSA removal. Per the received N4 information the I-SMF release the L-PSA.","secretary_remarks":"Revision of S2-2106116r03, merging S2-2105353. Approved","agenda_item_sort_order":44,"ainumber":"7.10.6","ainame":"Enhancing Topology of SMF and UPF in 5G Networks (ETSUN)","tdoc_agenda_sort_order":12780,"status":"agreed","reservation_date":"2021-08-23 08:43:07","uploaded":"2021-09-01 14:31:23","revisionof":"S2-2106116","revisedto":"","release":"Rel-16","crspec":23.502,"crspecversion":"16.9.0","workitem":[{"winame":"ETSUN"}],"crnumber":2812.0,"crrevision":3.0,"crcategory":"F","tsg_crp":"SP-210909","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_146E_Electronic_2021-08\/Docs\/S2-2106595.zip","group":"S2","meeting":"S2-146-e","year":2021,"uicc_affected":null,"me_affected":null,"ran_affected":null,"cn_affected":null,"clauses_affected":null,"crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2106596","title":"L-PSA release during mobiity procedure with I-SMF removal","source":"Huawei, HiSilicon","contact":"Marco Spini","contact-id":8356,"tdoctype":"CR","for":"Approval","abstract":"Rel-17 mirror CR: Summary of change: When the L-PSA controlled by I-SMF is inserted before and the I-SMF is to be removed, the SMF provides N4 information to indicate L-PSA removal. Per the received N4 information the I-SMF release the L-PSA.","secretary_remarks":"Revision of S2-2106117r00. Approved","agenda_item_sort_order":44,"ainumber":"7.10.6","ainame":"Enhancing Topology of SMF and UPF in 5G Networks (ETSUN)","tdoc_agenda_sort_order":12800,"status":"agreed","reservation_date":"2021-08-23 08:43:08","uploaded":"2021-09-01 14:31:23","revisionof":"S2-2106117","revisedto":"","release":"Rel-17","crspec":23.502,"crspecversion":"17.1.0","workitem":[{"winame":"ETSUN"}],"crnumber":2813.0,"crrevision":3.0,"crcategory":"A","tsg_crp":"SP-210909","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_146E_Electronic_2021-08\/Docs\/S2-2106596.zip","group":"S2","meeting":"S2-146-e","year":2021,"uicc_affected":null,"me_affected":null,"ran_affected":null,"cn_affected":null,"clauses_affected":null,"crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2106597","title":"Source I-SMF release for PDU Session not requested for handover","source":"ZTE, Huawei, Nokia, Nokia Shanghai Bell, Ericsson","contact":"Jinguo Zhu","contact-id":32987,"tdoctype":"CR","for":"Approval","abstract":"Summary of change: For all PDU sessions in the UE context, the T-AMF determines I-SMF needs to be changed or removed, and sends N2 info notification to S-AMF. The S-AMF then release the source I-SMF if an indication of I-SMF change\/removal is received from T-AMF. If the Source I-SMF receives release with I-SMF only indication, and if there is no request from T-AMF to retrieve the SM context, the Source I-SMF starts a timer to release the SM resource. During the UE mobility registration procedure, if required, the T-AMF performs I-SMF insertion\/change\/removal for the PDU session which is not requested to be handed over.","secretary_remarks":"Revision of S2-2105750r09. Approved","agenda_item_sort_order":44,"ainumber":"7.10.6","ainame":"Enhancing Topology of SMF and UPF in 5G Networks (ETSUN)","tdoc_agenda_sort_order":12820,"status":"agreed","reservation_date":"2021-08-23 08:43:09","uploaded":"2021-09-01 14:31:23","revisionof":"S2-2105750","revisedto":"","release":"Rel-16","crspec":23.502,"crspecversion":"16.9.0","workitem":[{"winame":"ETSUN"}],"crnumber":2971.0,"crrevision":1.0,"crcategory":"F","tsg_crp":"SP-210909","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_146E_Electronic_2021-08\/Docs\/S2-2106597.zip","group":"S2","meeting":"S2-146-e","year":2021,"uicc_affected":null,"me_affected":null,"ran_affected":null,"cn_affected":null,"clauses_affected":null,"crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2106598","title":"Source I-SMF release for PDU Session not requested for handover","source":"ZTE, Huawei, Nokia, Nokia Shanghai Bell, Ericsson","contact":"Jinguo Zhu","contact-id":32987,"tdoctype":"CR","for":"Approval","abstract":"Rel-17 mirror CR: Summary of change: For all PDU sessions in the UE context, the T-AMF determines I-SMF needs to be changed or removed, and sends N2 info notification to S-AMF. The S-AMF then release the source I-SMF if an indication of I-SMF change\/removal is received from T-AMF. If the Source I-SMF receives release with I-SMF only indication, and if there is no request from T-AMF to retrieve the SM context, the Source I-SMF starts a timer to release the SM resource. During the UE mobility registration procedure, if required, the T-AMF performs I-SMF insertion\/change\/removal for the PDU session which is not requested to be handed over.","secretary_remarks":"Revision of S2-2105751r00. Approved","agenda_item_sort_order":44,"ainumber":"7.10.6","ainame":"Enhancing Topology of SMF and UPF in 5G Networks (ETSUN)","tdoc_agenda_sort_order":12840,"status":"agreed","reservation_date":"2021-08-23 08:43:11","uploaded":"2021-09-01 14:31:23","revisionof":"S2-2105751","revisedto":"","release":"Rel-17","crspec":23.502,"crspecversion":"17.1.0","workitem":[{"winame":"ETSUN"}],"crnumber":2972.0,"crrevision":1.0,"crcategory":"A","tsg_crp":"SP-210909","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_146E_Electronic_2021-08\/Docs\/S2-2106598.zip","group":"S2","meeting":"S2-146-e","year":2021,"uicc_affected":null,"me_affected":null,"ran_affected":null,"cn_affected":null,"clauses_affected":null,"crsinpack":null,"crsinpacknumber":0}]