Patent ID: 11895007
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 8:
9. A method implemented by a first forwarding node and comprising:
obtaining first link status information of a physical network and second link status information of a first virtual network;
replacing a first main interface between the first forwarding node and a next-hop node of the first forwarding node with a first sub-interface, wherein the first main interface is between the first forwarding node and the next-hop node in the physical network, wherein the first sub-interface is between the first forwarding node and the next-hop node in the first virtual network, and wherein the first virtual network is over the physical network; and
generating a forwarding entry to a second node in the first virtual network,
wherein the forwarding entry comprises indication information of the first sub-interface, and
wherein the second node is a destination node of data transmission.