It really depends on how you design the control plane. In a reasonable design, even for full mesh topology, the number of entries on a single node should be O(n), although the total number of flows on all nodes will be O(n^2).
Han On Thu, Dec 3, 2015 at 2:51 PM, Dan Huang <[email protected]> wrote: > > Hi > > I am interested in the scalability of OVS. Supporse that I want to deploy a > virtual network on a large cluster (multiple sites). The number of nodes > might be ( 1000- 5000) and the VMs about ( 10000-50000). > If each node has an OVS. And OVSs are connected to full mesh topology. Then > the forwarding db at least contains 10000 by 10000 to 50000 by 50000 > entries. Will this scale of setting cause some issues on OVS ? For example, > delayed forwarding or cache missing increasing? I know that OVS can cache > the forwarding entries in HMap. > > Thanks > > Dan > > > -- > Best Regards > Dan Huang > > Skype: huangdan226 > > _______________________________________________ > discuss mailing list > [email protected] > http://openvswitch.org/mailman/listinfo/discuss > -- Best regards, Han _______________________________________________ discuss mailing list [email protected] http://openvswitch.org/mailman/listinfo/discuss
