US 11,991,516 B2
Session migration method and apparatus
Haiyang Sun, Beijing (CN); Anni Wei, Shenzhen (CN); and Chunshan Xiong, Shenzhen (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed on Feb. 12, 2021, as Appl. No. 17/174,776.
Application 17/174,776 is a continuation of application No. PCT/CN2019/100462, filed on Aug. 13, 2019.
Claims priority of application No. 201810918780.6 (CN), filed on Aug. 13, 2018.
Prior Publication US 2021/0168596 A1, Jun. 3, 2021
Int. Cl. H04L 29/06 (2006.01); H04W 8/24 (2009.01); H04W 12/033 (2021.01); H04W 12/106 (2021.01); H04W 12/72 (2021.01); H04W 60/00 (2009.01)
CPC H04W 12/033 (2021.01) [H04W 8/24 (2013.01); H04W 12/106 (2021.01); H04W 12/72 (2021.01); H04W 60/00 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A session migration method, comprising:
sending, by a transmission management apparatus, registration request cancellation information to a subscriber information management apparatus in response to user plane security enforcement information of a packet data unit (PDU) session failing to match user plane encryption protection information of an evolved packet system (EPS),
wherein the registration request cancellation information indicates that the PDU session fails to support migration to the EPS, and the PDU session has been registered with the subscriber information management apparatus.