Tina TSOU wrote: > Below is our proposal. Look forward to your feedback. > > -------------- > Description > This session focuses on how to improve networking performance at large scale > deployment. > For example > - having many VMs, thousands to tens of thousands, in a single data center > - very heavy traffic between VMs of different physical servers > - large quantities of OpenFlow flow tables causing slow forwarding on OVS and > high CPU usage on hypervisor > - VMs belong to various tenants thus requiring traffic isolation and security > and lots of configuration on OVS mainly overlay encapsulation and OpenFlow > tables > - neutron server taking too long time to process requests > > We are introducing a solution designed for the above scenario in this area. > The main idea is to deploy on the hypervisor a new monitor agent which will > periodically check the CPU usage and network load of the NIC and inform SDN > controller through plugin/API extension. If the OVS load goes very high, SDN > controller can reactively off-load the traffic from OVS to TOR with minimum > interruption. It means that initially, the overlay encapsulation might be > done on OVS, but some feature rich TORs also provide this functionality which > makes TOR capable of taking over whenever necessary. The same strategy will > be applied for OpenFlow flow table. By doing this, OVS will have nothing to > do other than sending the traffic to TOR. All the time-consuming jobs will be > taken over by TOR dynamically. This more advanced strategy does require TOR > to be feature-rich so it might cause more TCO. > > We believe this is worth doing for large scale deployment. > --------------
You should file it at summit.openstack.org so that it can be considered for inclusion in the schedule. Regards, -- Thierry Carrez (ttx) _______________________________________________ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
