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OVS
Instance Creation
nova-compute
vid driver
quantumserver
ryu
1.create instance
2.create porton network
5. uuid for the created port
6.plug
7. create portstore port uuid andmac address to ovsdb
4. (netork uuid, port uuid)
8. OFPPortStatusOVS notifies port creationvia OpenFlow protocol
10. setup flow entries
9. query ovsdbget infos, port uuidand mac address
3. quantum serverallocates uuid tothe created port