COMPUTER SYSTEM, AND MIGRATION METHOD OF VIRTUAL MACHINE

摘要

A computer system is provided with an open flow controller (3) and a switch (4i). The switch (4i), if the packet data from a virtual machine that has completed migration do not comply with the rules indicated by a flow set for the switch (4i), notifies the open flow controller (3) of the MAC addresses of the packet data. The open flow controller (3) sets the migration destination VM-addressed communication-use flow that has been generated according to the notified MAC addresses to the switch (4i). The switch (4i) transfers the packet data that have been addressed to the virtual machine that follows the rules (444) that have been indicated in the migration destination VM-addressed communication-use flow to the virtual machine of the migration destination according to the actions (445) that have been indicated in the migration destination VM-addressed communication-use flow. As a result, controlling the network side and the computer side in an integrated manner while migrating the virtual machine is possible.