Thank you very much for your quick reply, Mr Justin!
On Thu, Sep 1, 2011 at 3:54 AM, Justin Pettit <jpet...@nicira.com> wrote: > I doubt FlowVisor speaks Open vSwitch's configuration protocol, but that > would be a question better suited to the FlowVisor mailing list: > > http://mailman.stanford.edu/mailman/listinfo/flowvisor-users > > If you just want to make those changes remotely, you can use ovs-vsctl over > TCP/SSL. You'll just need to tell ovsdb-server to listen with the > appropriate method. For example: > > ovs-vsctl set-manager ptcp:6634 > > Then, when you want to remotely configure OVS, tell ovs-vsctl to use that > connection method. Something like: > > ovs-vsctl --db tcp:<ip_of_ovs>:6634 set port eth0 qos > <blah,blah,blah> > > I didn't test those commands, so they may be slightly off, but it should > point you in the right direction. > > --Justin > > > On Aug 31, 2011, at 4:01 AM, Trinh Minh Tri wrote: > > > Dear Mr Justin! > > > > I followed your suggestion and can set the qos for each flow but > completely on openflow switch. > > Now I want to periodically change the rate provide to each queue. I mean > if I have a program that can calculate the best rate providing to each queue > and base on that program result I want to change the rate set to each queue > periodically (e.g time interval = 5 mins). > > I intend to implement it in FlowVisor. So, is it possible to control the > queue rate of openvswitch from FlowVisor? > > Could you suggest me the part in openvswitch that I can send the command > from outside to control? > > > > Thank you very much > > Trinh Minh Tri > > > > > > On Tue, Aug 30, 2011 at 1:19 PM, Justin Pettit <jpet...@nicira.com> > wrote: > > This is a bit trickier, but it's certainly possible. First, you'll need > to configure queues on the egress ports. You can see how to do this in the > "Quality of Service (QoS)" section of the ovs-vsctl man page: > > > > > http://openvswitch.org/cgi-bin/ovsman.cgi?page=utilities%2Fovs-vsctl.8 > > > > Then, you can add flows with the "enqueue" action from your controller or > the ovs-ofctl command. The enqueue action takes the port number and the > queue id you configured earlier. You can see some documentation about the > enqueue action in the OpenFlow spec or the ovs-ofctl man page: > > > > > http://openvswitch.org/cgi-bin/ovsman.cgi?page=utilities%2Fovs-ofctl.8 > > > > Good luck! > > > > --Justin > > > > > > On Aug 29, 2011, at 8:58 PM, Trinh Minh Tri wrote: > > > > > Dear openvswitch dev! > > > > > > I'm newbie in openvswitch but feel very interested in it to set up my > experimental evvironment. In my experiment, I need to use the flow rate > limiting feature to limit the rate of each flow comming in to openvswitch. I > have searched in the openvswitch website and found out this document of QoS > rate limiting http://openvswitch.org/?page_id=267. But this document only > limit the rate for all traffic entering the openvswitch port. I would like > to ask whether is there any solution in openvswitch to classify the traffic > as flow and apply the QoS rate limiting to each flow. > > > > > > Thank you very much > > > Trinh Minh Tri > > > > > > > > > _______________________________________________ > > > dev mailing list > > > dev@openvswitch.org > > > http://openvswitch.org/mailman/listinfo/dev > > > > > >
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