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

Claim 7:
8. 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 does not carry a TS payload carrying a flow information associated with the first network device when there is no change in the flow information associated with the first network device;
the first rekey response carries a TS unacceptable notification when there is a change in a flow information associated with the second network device;
renegotiating, by the first network device, with the second network device until a negotiated flow information is obtained;
the rekeying the SA by the first network device is further performed according to the negotiated flow information.