Method of virtual machine migration using software defined networking
AssigneeNational Applied Research Laboratories
InventorsHUI-LAN LEE, TE-LUNG LIU, JEN-WEI HU, MING CHEN
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Abstract
The present invention relates to a method of virtual machine migration, which uses the protocol of the software defined networking technology. When a virtual machine is migrated across domains, the local controller will be notified rapidly for submitting the information of the virtual machine to the switch in advance. Thereby, without modifying the network configuration, the migrated virtual machine can provide service continuously; the optimal routing is achieved and thus improving the problem of triangle routing effectively.
Claims9
A method of virtual machine migration using software defined networking, applied while migrating a virtual machine of a first host operating originally in a first domain to a second domain, comprising steps of:
- said virtual machine or said first host providing a first migration notice to a first controller of said first domain, said virtual machine or a second host also provide a second migration notice to a second controller of said second domain, and said first migration notice and said second migration notice comprising at least the IP address, the MAC address, and the gateway address of said virtual machine, respectively;
- and
- said second controller writing a flow entry to a switch of said second domain for forwarding a packet with the destination of said virtual machine and passing through a router of said second domain to the connected port of said second domain to which said virtual machine is migrating, and said packet with said virtual machine as the source forwarded to said second controller for processing.
Dependencies are inferred from the claim text.