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

Claim 23:
24. The network device of claim 20, wherein when the SA is an IPSec SA which is a child SA of an IKE SA, the first rekey request further carries a TS payload carrying flow information associated with the first network device when there is a change in a flow information associated with the first network device; wherein the first rekey response carries a TS unacceptable notification to indicate that there is no matching flow information present in the flow information associated with the first network device carried in the first rekey request;
wherein the network device further configured to renegotiate with the first network device until a negotiated flow information is obtained; and
wherein the SA is rekeyed further according to the negotiated flow information.