[{"name":"S2-2600237","title":"[KI#17, bullet #1] Solution for interworking and migration for registration and mobility management.","source":"Lenovo","contact":"Genadi Velev","contact-id":70944,"tdoctype":"pCR","for":"Approval","abstract":"It is proposed to support interworking with single registration in the day one 6G architecture. The 6G AMF and 5G AMF support a direct control plane connectivity.","secretary_remarks":"Not Handled. Not Handled","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21320,"status":"not treated","reservation_date":"2026-01-26 22:44:24","uploaded":"2026-01-27 20:54:32","revisionof":"","revisedto":"","release":"Rel-20","crspec":"23.801-01","crspecversion":"0.3.0","workitem":[{"winame":"FS_6G_ARC"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2600237.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2600238","title":"[KI#17, bullet #1] Solution for supporting of session continuity during mobility between 6GS, 5GS and EPS.","source":"Lenovo","contact":"Genadi Velev","contact-id":70944,"tdoctype":"pCR","for":"Approval","abstract":"It is proposed to support session continuity during mobility between EPS, 5GS and 6GS by the deployment of combined PGW-C + 5G\/6G SMF as well as combined PGW-U + 5G\/6G UPF.","secretary_remarks":"Not Handled. Not Handled","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21330,"status":"not treated","reservation_date":"2026-01-26 22:49:04","uploaded":"2026-01-27 20:54:32","revisionof":"","revisedto":"","release":"Rel-20","crspec":"23.801-01","crspecversion":"0.3.0","workitem":[{"winame":"FS_6G_ARC"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2600238.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2600265","title":"[KI#17, bullet #2] New solution on supporting N26-like based interworking between 6GS and 5GS.","source":"OPPO","contact":"Boren Guo","contact-id":100775,"tdoctype":"pCR","for":"Approval","abstract":"This paper proposes a solution for supporting interworking between 6GS and 5GS.","secretary_remarks":"Not Handled. Not Handled","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21340,"status":"not treated","reservation_date":"2026-01-27 02:15:57","uploaded":"2026-01-27 10:21:56","revisionof":"","revisedto":"","release":"Rel-20","crspec":"23.801-01","crspecversion":"0.3.0","workitem":[{"winame":"FS_6G_ARC"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2600265.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2600269","title":"[KI#17, bullet #3] New solution on supporting interworking between 6GS and EPS without N26-like interface.","source":"OPPO","contact":"Boren Guo","contact-id":100775,"tdoctype":"pCR","for":"Approval","abstract":"This paper proposes a solution for supporting interworking between 6GS and EPS.","secretary_remarks":"Not Handled. Not Handled","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21350,"status":"not treated","reservation_date":"2026-01-27 02:19:44","uploaded":"2026-01-27 10:21:56","revisionof":"","revisedto":"","release":"Rel-20","crspec":"23.801-01","crspecversion":"0.3.0","workitem":[{"winame":"FS_6G_ARC"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2600269.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2600275","title":"[KI#17 Solution] High Level Principles for Solution of Migration and Interworking .","source":"MediaTek Inc.","contact":"YuanChieh (Carlson) Lin","contact-id":87343,"tdoctype":"pCR","for":"Approval","abstract":"The contribution proposes a high level principles for Solution of Migration and Interworking","secretary_remarks":"Not Handled. Not Handled","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21360,"status":"not treated","reservation_date":"2026-01-27 02:46:59","uploaded":"2026-01-27 10:35:14","revisionof":"","revisedto":"","release":"Rel-20","crspec":"23.801-01","crspecversion":"0.3.0","workitem":[{"winame":"FS_6G_ARC"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2600275.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2600280","title":"[KI#17] Key issue update based on SA WG1 progress.","source":"LG Electronics","contact":"Myungjune Youn","contact-id":60905,"tdoctype":"pCR","for":"Approval","abstract":"This contribution proposes a key issue update to support interworking between EPS and 6G system.","secretary_remarks":"Revised to S2-2601603.","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21370,"status":"revised","reservation_date":"2026-01-27 02:55:19","uploaded":"2026-01-27 09:22:26","revisionof":"","revisedto":"S2-2601603","release":"Rel-20","crspec":"23.801-01","crspecversion":"0.3.0","workitem":[{"winame":"FS_6G_ARC"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2600280.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2600314","title":"[KI#17, bullet 1] 6G Migration Paths.","source":"Samsung, AT&T","contact":"Sang-Jun Moon","contact-id":30993,"tdoctype":"pCR","for":"Approval","abstract":"This contribution lists agreeable 6G migration paths and considers the impacts.","secretary_remarks":"Not Handled. Not Handled","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21400,"status":"not treated","reservation_date":"2026-01-27 05:39:41","uploaded":"2026-01-27 09:02:11","revisionof":"","revisedto":"","release":"Rel-20","crspec":"23.801-01","crspecversion":"0.3.0","workitem":[{"winame":"FS_6G_ARC"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2600314.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2600315","title":"[KI#17, bullet 2] Interworking with 5GS for Single Registration UE and Dual Registration UE.","source":"Samsung","contact":"Sang-Jun Moon","contact-id":30993,"tdoctype":"pCR","for":"Approval","abstract":"This solution proposes Interworking with 5GS for Single Registration UE and Dual Registration UE.","secretary_remarks":"Not Handled. Not Handled","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21410,"status":"not treated","reservation_date":"2026-01-27 05:41:41","uploaded":"2026-01-27 09:02:10","revisionof":"","revisedto":"","release":"Rel-20","crspec":"23.801-01","crspecversion":"0.3.0","workitem":[{"winame":"FS_6G_ARC"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2600315.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2600330","title":"[KI#17, bullet#2] Solution on interworking between 6GS and 5GS.","source":"Xiaomi","contact":"Yuxin MAO","contact-id":91413,"tdoctype":"pCR","for":"Approval","abstract":"This contribution proposes the potential interworking scenarios and related solutions for Key Issue #17.","secretary_remarks":"Not Handled. Not Handled","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21420,"status":"not treated","reservation_date":"2026-01-27 06:33:58","uploaded":"2026-01-27 13:43:37","revisionof":"","revisedto":"","release":"Rel-20","crspec":"23.801-01","crspecversion":"0.3.0","workitem":[{"winame":"FS_6G_ARC"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2600330.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2600341","title":"[KI#17, bullet #2] SR mode and N26-like solution to support Interworking with 5GS.","source":"ZTE","contact":"Zhendong Li","contact-id":113873,"tdoctype":"pCR","for":"Approval","abstract":"This paper proposes a single registration mode and N26-like solution to resolve the bullet 2 of key issue 17, i.e. how to support interworking with 5GS","secretary_remarks":"Not Handled. Not Handled","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21430,"status":"not treated","reservation_date":"2026-01-27 07:26:55","uploaded":"2026-01-27 14:47:49","revisionof":"","revisedto":"","release":"Rel-20","crspec":"23.801-01","crspecversion":"0.3.0","workitem":[{"winame":"FS_6G_ARC"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2600341.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2600391","title":"[KI#17 bullet#1] Support migration to 6GS.","source":"Vivo","contact":"xiaowan ke","contact-id":74585,"tdoctype":"pCR","for":"Approval","abstract":"This paper aims to propose the principles and architecture for supporting migration to 6GS.","secretary_remarks":"Not Handled. Not Handled","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21440,"status":"not treated","reservation_date":"2026-01-27 10:00:49","uploaded":"2026-01-27 18:53:25","revisionof":"","revisedto":"","release":"Rel-20","crspec":"23.801-01","crspecversion":"0.3.0","workitem":[{"winame":"FS_6G_ARC"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2600391.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2600392","title":"[KI#17 bullet#2] Support interworking with 5GS.","source":"Vivo","contact":"xiaowan ke","contact-id":74585,"tdoctype":"pCR","for":"Approval","abstract":"This paper aims to propose the principles and architecture for supporting interworking with 5GS.","secretary_remarks":"Not Handled. Not Handled","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21450,"status":"not treated","reservation_date":"2026-01-27 10:00:49","uploaded":"2026-01-27 18:53:25","revisionof":"","revisedto":"","release":"Rel-20","crspec":"23.801-01","crspecversion":"0.3.0","workitem":[{"winame":"FS_6G_ARC"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2600392.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2600420","title":"[KI#17] 5G to 6G migration and interworking framework.","source":"CATT","contact":"Chunshan Xiong","contact-id":94840,"tdoctype":"pCR","for":"Approval","abstract":"This paper proposes a framework to support 5G to 6G migration and interworking.","secretary_remarks":"Not Handled. Not Handled","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21460,"status":"not treated","reservation_date":"2026-01-27 10:16:15","uploaded":"2026-01-27 15:39:10","revisionof":"","revisedto":"","release":"Rel-20","crspec":"23.801-01","crspecversion":"0.3.0","workitem":[{"winame":"FS_6G_ARC"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2600420.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2600470","title":"[KI#17]: Key Issue Update.","source":"NICT, Thales, NEC, TNO, Novamint, Airbus, Boost Mobile Network, Eutelsat","contact":"Jasmina Mcmenamy","contact-id":97607,"tdoctype":"pCR","for":"Approval","abstract":"This contribution proposes the update to Key Issue#17, introducing a new bullet - Bullet#5 that includes interworking with 5G NTN-access based backhaul. In addition, the numbering of the Notes has been revised.","secretary_remarks":"Noted","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21470,"status":"noted","reservation_date":"2026-01-27 12:21:02","uploaded":"2026-01-27 19:33:50","revisionof":"","revisedto":"","release":"Rel-20","crspec":"23.801-01","crspecversion":"0.3.0","workitem":[{"winame":"FS_6G_ARC"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2600470.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2600505","title":"[KI#17 bullet#01] .","source":"Reliance Jio.","contact":"Mahesh Nayaka Mysore Annaiah","contact-id":104545,"tdoctype":"pCR","for":"Approval","abstract":"The evolution from the 5G System (5GS) to the 6G System (6GS) necessitates carefully designed migration strategies that ensure service continuity, interoperability, and operational stability. This study examines architectural options that enable a smooth transition from 5GS towards 6GS, focusing on coexistence, interworking, and dual-stack operation of 5GS and 6GS. Key aspects such as phased deployment, shared core network functions, inter-system mobility, and backward compatibility with legacy services are analyzed. The proposed architectural options aim to minimize deployment risk, protect existing investments, and support the gradual introduction of native 6G capabilities while maintaining uninterrupted service delivery.","secretary_remarks":"Not Handled. Not Handled","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21480,"status":"not treated","reservation_date":"2026-01-27 13:39:27","uploaded":"2026-01-27 14:04:56","revisionof":"","revisedto":"","release":"Rel-20","crspec":"23.801-01","crspecversion":"0.3.0","workitem":[{"winame":"FS_6G_ARC"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2600505.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2600533","title":"[KI#17, bullet #1] New solution for migration to 6GS.","source":"Apple","contact":"Ralf Rossbach","contact-id":85308,"tdoctype":"pCR","for":"Approval","abstract":"This contribution proposes a solution for migration to 6GS targeting basic principles.","secretary_remarks":"Not Handled. Not Handled","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21490,"status":"not treated","reservation_date":"2026-01-27 16:18:38","uploaded":"2026-01-27 20:01:12","revisionof":"","revisedto":"","release":"Rel-20","crspec":"23.801-01","crspecversion":"0.3.0","workitem":[{"winame":"FS_6G_ARC"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2600533.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2600534","title":"[KI#17, bullet #2] New solution for interworking with 5GS.","source":"Apple","contact":"Ralf Rossbach","contact-id":85308,"tdoctype":"pCR","for":"Approval","abstract":"This contribution proposes a solution for interworking with 5GS targeting basic principles.","secretary_remarks":"Not Handled. Not Handled","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21500,"status":"not treated","reservation_date":"2026-01-27 16:21:46","uploaded":"2026-01-27 20:01:12","revisionof":"","revisedto":"","release":"Rel-20","crspec":"23.801-01","crspecversion":"0.3.0","workitem":[{"winame":"FS_6G_ARC"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2600534.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2600539","title":"[KI#17, bullet #1, #2, and #3] Architectural Principles for Migration and Interworking.","source":"InterDigital Inc.","contact":"Michael Starsinic","contact-id":72107,"tdoctype":"pCR","for":"Approval","abstract":"This contribution proposes a solution for migration and interworking between EPS, 5GS, and 6GS. The solution enables IP address and session continuity across systems by allowing session management context to be retrieved and reused when establishing connectivity in a different generation. It minimizes the use of combined control plane nodes, supports incremental deployment, and introduces policy-assisted fallback and fallforward mechanisms to enable service-aware interworking during system changes.","secretary_remarks":"Not Handled. Not Handled","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21510,"status":"not treated","reservation_date":"2026-01-27 16:33:58","uploaded":"2026-01-27 21:56:29","revisionof":"","revisedto":"","release":"Rel-20","crspec":"23.801-01","crspecversion":"0.3.0","workitem":[{"winame":"FS_6G_ARC"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2600539.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2600545","title":"[KI#17, bullet#1, bullet#2, bullet#3] Common Core (Enhanced 5GC) for 6G Radio Access Technology.","source":"Ofinno","contact":"DongYeon Kim","contact-id":111210,"tdoctype":"pCR","for":"Approval","abstract":"This contribution proposes a solution for KI#17 on Interworking and Migration between NR and 6G Radio.","secretary_remarks":"Not Handled. Not Handled","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21520,"status":"not treated","reservation_date":"2026-01-27 16:42:46","uploaded":"2026-01-27 16:54:05","revisionof":"","revisedto":"","release":"Rel-20","crspec":"23.801-01","crspecversion":"0.3.0","workitem":[{"winame":"FS_6G_ARC"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2600545.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2600565","title":"[KI#17, bullet#2] New solution for interworking with 5GS.","source":"Nokia","contact":"Lazaros Gkatzikis","contact-id":107626,"tdoctype":"pCR","for":"Approval","abstract":"This contribution specifies a solution for 6GS interworking with 5GS and proposes the basic interworking principles and assumptions.","secretary_remarks":"Not Handled. Not Handled","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21530,"status":"not treated","reservation_date":"2026-01-27 18:30:21","uploaded":"2026-01-27 18:43:52","revisionof":"","revisedto":"","release":"Rel-20","crspec":"23.801-01","crspecversion":"0.3.0","workitem":[{"winame":"FS_6G_ARC"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2600565.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2600566","title":"[KI#17, bullet#1] Architectural requirements on migration to 6GS.","source":"Nokia","contact":"Lazaros Gkatzikis","contact-id":107626,"tdoctype":"pCR","for":"Approval","abstract":"This contribution aims to identify the architectural requirements for the support of migration to 6GS as per requirements specified by SA WG1.","secretary_remarks":"Not Handled. Not Handled","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21540,"status":"not treated","reservation_date":"2026-01-27 18:35:32","uploaded":"2026-01-27 18:43:52","revisionof":"","revisedto":"","release":"Rel-20","crspec":"23.801-01","crspecversion":"0.3.0","workitem":[{"winame":"FS_6G_ARC"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2600566.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2601161","title":"KI#17 Migration and Interworking - penholders input for SA2#173","source":"NTT DOCOMO, Samsung, Ericsson","contact":"Jari Mutikainen","contact-id":38346,"tdoctype":"other","for":"Approval","abstract":"KI#17 Migration and Interworking - penholders input for SA2#173","secretary_remarks":"Pen holders: Jari, Sang-Jun and Shabnam. Revised in parallel session to S2-2601322.","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21290,"status":"revised","reservation_date":"2026-02-02 14:43:09","uploaded":"2026-02-05 06:54:47","revisionof":"","revisedto":"S2-2601322","release":"","crspec":"","crspecversion":"","workitem":"","crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2601161.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2601322","title":"KI#17 Migration and Interworking - penholders input for SA2#173","source":"NTT DOCOMO, Samsung, Ericsson","contact":"Jari Mutikainen","contact-id":38346,"tdoctype":"other","for":"Approval","abstract":"KI#17 Migration and Interworking - penholders input for SA2#173","secretary_remarks":"Revision of S2-2601161. Revised in parallel session to S2-2601522.","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21300,"status":"revised","reservation_date":"2026-02-16 09:17:21","uploaded":"2026-02-16 09:31:06","revisionof":"S2-2601161","revisedto":"S2-2601522","release":"","crspec":"","crspecversion":"","workitem":"","crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2601322.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2601521","title":"[KI#17] Key issue update based on SA WG1 progress.","source":"LG Electronics, NTT Docomo, Vodafone, Rakuten Mobile","contact":"Myungjune Youn","contact-id":60905,"tdoctype":"pCR","for":"Approval","abstract":"This contribution proposes a key issue update to support interworking between EPS and 6G system.","secretary_remarks":"Revision of S2-2601603. Postponed in parallel session","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21390,"status":"postponed","reservation_date":"2026-02-16 09:18:38","uploaded":"2026-02-16 09:41:04","revisionof":"S2-2601603","revisedto":"","release":"Rel-20","crspec":"23.801-01","crspecversion":"0.3.0","workitem":[{"winame":"FS_6G_ARC"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2601521.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2601522","title":"KI#17 Migration and Interworking - penholders input for SA2#173","source":"NTT DOCOMO, Samsung, Ericsson","contact":"Jari Mutikainen","contact-id":38346,"tdoctype":"other","for":"Approval","abstract":"KI#17 Migration and Interworking - penholders input for SA2#173","secretary_remarks":"Revision of S2-2601322. Postponed due to lack of time.","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21310,"status":"postponed","reservation_date":"2026-02-16 09:18:38","uploaded":"2026-02-16 09:41:04","revisionof":"S2-2601322","revisedto":"","release":"","crspec":"","crspecversion":"","workitem":"","crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2601522.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"S2-2601603","title":"[KI#17] Key issue update based on SA WG1 progress.","source":"LG Electronics","contact":"Myungjune Youn","contact-id":60905,"tdoctype":"pCR","for":"Approval","abstract":"This contribution proposes a key issue update to support interworking between EPS and 6G system.","secretary_remarks":"Revision of S2-2600280. Revised in parallel session to S2-2601521.","agenda_item_sort_order":175,"ainumber":"20.6.17","ainame":"Study on Architecture for 6G System (FS_6G_ARC) - Migration and Interworking","tdoc_agenda_sort_order":21380,"status":"revised","reservation_date":"2026-02-16 09:18:53","uploaded":"2026-02-16 09:41:05","revisionof":"S2-2600280","revisedto":"S2-2601521","release":"Rel-20","crspec":"23.801-01","crspecversion":"0.3.0","workitem":[{"winame":"FS_6G_ARC"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_173_Goa_2026-02\/Docs\/S2-2601603.zip","group":"S2","meeting":"S2-173","year":2026,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0}]