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

Claim 8:
9. A user plane device comprising:
storage memory configured to store program instructions; and
at least one processor configured to execute the program instructions from the storage memory such that the user plane device is at least configured to:
receive 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;
advertise a routing policy based on the IP address segment;
receive the IP address and an IP address mask that are sent by the control plane function; and
receive 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 an IP address mask attribute-value pair, the IP address attribute-value pair carries the IP address, and the IP address mask attribute-value pair carries the IP address mask.