Patent ID: 11943198
Assignee: ZTE CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H  F | IPC H

Claim 4:
5. The method of claim 1, wherein allocating first IP addresses corresponding to the PDN data channels to the IDU according to the address allocation requests, such that data messages from the IDU are routed to the corresponding PDN data channels according to the first IP addresses comprises:
sending public network IP address allocation requests to a base station;
acquiring second public network IP addresses allocated by the base station according to the public network IP address allocation requests;
bridging the first VLAN interfaces with corresponding WAN interfaces to obtain bridges; and
allocating, according to the address allocation requests, the second public network IP addresses corresponding to the PDN data channels to the IDU, such that data messages from the IDU are routed to the virtual network interfaces corresponding to the bridges through the bridges according to the second public network IP addresses.