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

Claim 5:
6. A routing management method comprising:
receiving, by a user plane function, information that is used to identify an IP address segment and that is sent by a control plane function, wherein the IP address segment is used to assign an IP address to user equipment; and
advertising, by the user plane function, a routing policy based on the IP address segment; wherein
the receiving, by the user plane function, of the information that is used to identify the IP address segment and that is sent by the control plane function comprises: receiving, by the user plane function, the IP address and an IP address mask that are sent by the control plane function; and
the receiving, by the user plane function, of the IP address and an IP address mask that are sent by the control plane function comprises: receiving, by the user plane function, a session establishment request message sent by the control 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.