Patent ID: 11888982
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. The method of claim 2, wherein when the SA is the IPSec SA which is a child SA of the IKE SA, the first rekey request further carries a TS payload carrying a flow information associated with the first network device when there is a change in the flow information associated with the first network device;
the first rekey response carries a TS payload carrying a flow information associated with the second network device when there is a change in the flow information associated with the second network device and the second network device selects flow information in the flow information associated with the first network device carried in the first rekey request as the flow information associated with the second network device;
the rekeying the SA by the first network device is further performed according to the selected flow information.