http://www.slideshare.net/VirtualTech-JP/openstackansibleopenstack-ha-openstack-20163

http://docs.openstack.org/juno/install-guide/install/apt/content/figures/1/a/common/figures/installguidearch-nova-services.png ↑ junohttp://docs.openstack.org/mitaka/install-guide-ubuntu/_images/network1-services.png ↑ mitakahttps://www.op…