Hi all, I made an wiki entry about the CloudStack networking design. I think it's useful for all network plugins can follow. It's located in my gsoc project about improving the native SDN controller. Take a look on it
https://cwiki.apache.org/confluence/display/CLOUDSTACK/Add+Xen+and+XCP+support+for+GRE+SDN+controller Thanks, -- N.g.U.y.e.N.A.n.H.t.U
