v1.0 http://docs.openstack.org/ describedby text/html http://23.253.248.171:8776/v1/ self application/json application/vnd.openstack.volume+json;version=1 application/xml application/vnd.openstack.volume+xml;version=1 DEPRECATED 2014-06-28T12:20:21Z v2.0 http://docs.openstack.org/ describedby text/html http://23.253.248.171:8776/v2/ self application/json application/vnd.openstack.volume+json;version=1 application/xml application/vnd.openstack.volume+xml;version=1 SUPPORTED 2014-06-28T12:20:21Z v3.0 http://docs.openstack.org/ describedby text/html http://23.253.248.171/v3/ self application/json application/vnd.openstack.volume+json;version=1 application/xml application/vnd.openstack.volume+xml;version=1 3.0 CURRENT 2016-02-08T12:20:21Z 3.0