Patent ID: 11943209
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. The method of claim 1, 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 flow information associated with the first network device when there is no change in a flow information associated with the first network device; wherein the first rekey response carries a TS unacceptable notification when there is change in a flow information associated with the second network device;
wherein the method further comprises renegotiating, by the first network device, with the second network device until a negotiated flow information is obtained; and
wherein rekeying, by the first network device, the SA is further according to the negotiated flow information.