Patent ID: 11902876
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 2:
3. A routing management method comprising:
assigning, by a control plane function, an Internet protocol (IP) address to user equipment;
determining, by the control plane function, an IP address segment, wherein the IP address belongs to the IP address segment; and
sending, by the control plane function, information used to identify the IP address segment to a user plane function, wherein the IP address segment is used to advertise a routing policy; wherein:
the information used to identity the IP address segment comprises the IP address segment; and the sending, by the control plane function, of the information used to identify the IP address segment to the user plane function comprises: sending, by the affirm plane function, the IP address segment to the user plane function by using a node-level message; and
the sending, by the control plane function, the IP address segment to the user plane function by using the node-level message comprises:
sending, by the control plane function, an IP address segment delivery request message to the user plane function, wherein the IP address segment delivery request message carries the IP address segment.