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

Claim 21:
22. The method of claim 15, wherein when the SA is an IPSec SA which is a child SA of an 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; wherein the first rekey response carries the TS unacceptable notification when there is the change in a flow information associated with the second network device;
the method further comprises:
renegotiating, by the second network device, with the first network device until a negotiated flow information is obtained;
the rekeying the SA by the second network device is further performed according to the negotiated flow information.