Patent ID: 11870560
Assignee: ZHEJIANG LAB
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 2:
3. The method according to claim 1, wherein said forwarding the message according to the flow table entry in the hit network flow table to the roadside base station corresponding to the target addressing area comprises: executing a flow table action corresponding to the matching rule capable of being matched with the message, copying the message to a forwarding port specified in the flow table action, and forwarding the message to a next hop SDN switch; analyzing, by the next-hop switch, continuously the message, obtaining an upper limit value and a lower limit value of the latitude coverage and the longitude coverage of the target addressing area, matching the network flow table, and executing the flow table action corresponding to the matching rule matched with the message until the message is forwarded to the roadside base station in the target addressing area.