Patent ID: 11928490
Assignee: HUAWEI CLOUD COMPUTING TECHNOLOGIES CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 17:
18. A data center comprising:
a first virtual switch;
a router;
a second virtual machine;
a third virtual machine;
a second virtual switch;
a cross-subnet virtual machine; and
a control node configured to:
obtain a virtual machine migration message comprising location information of the first virtual switch;
perform a first network configuration on the first virtual switch based on the location information;
perform a second network configuration on the router;
create, after performing the first network configuration and the second network configuration, a first virtual machine, wherein the first virtual machine is configured to complete a same service as the second virtual machine;
perform a third network configuration on the second virtual switch; and
perform a fourth network configuration on the router,

wherein the router is configured to:
forward, to the cross-subnet virtual machine and based on the second network configuration, a first packet from the first virtual machine; and
forward, to the first virtual machine and based on the fourth network configuration, a packet from the cross-subnet virtual machine.