The most challenge part for me for the past few days is understanding the how SDN can reduce the burden on Neutron. A single SDN plugin consider OpenDayLight controller plugin deployed on neutron. I have physical and virtual switches which support open flow. I know OpenFlow will install the flow to the switches and routers. When you create a abstract tenant network with, how Neutron configure these changes on the physical switches or virtual switches considering it has only OpenDayLight plugin installed. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20140703/256a0300/attachment.html>