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

Claim 1:
2. 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 identify the IP address segment comprises the IP address and an IP address mask; 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 control plane function, of the IP address and the IP address mask to the user plane function; and
the sending, by the control plane function, of the IP address and the IP address mask to the user plane function comprises:
sending, by the control plane function, a session establishment request message to the user plane function, wherein the session establishment request message comprises an IP address attribute-value pair, and the IP address attribute-value pair carries the IP address and the IP address mask.