[ovs-discuss] OVS support for OpenFlow 1.3 or 1.2 - specifically per flow meters feature

Christian Esteve Rothenberg chesteve at dca.fee.unicamp.br
Wed Dec 12 16:40:57 UTC 2012

> You wrote down that "Soon we will be releasing a pre-configured VM that
> ..." When are you expecting this release to be available? Can we have
> something to play with before the formal release is aired?
We plan to officially release the VM before December 25th ;)

You can either play by fetching the code of the 1.3 switch and NOX
from the github repository (https://github.com/CPqD), or try this beta
version of the pre-configured VM (be patient with the server's BW):


> Thanks a lot,
> Simhon Doctori
> -----Original Message-----
> From: chesteve at gmail.com [mailto:chesteve at gmail.com] On Behalf Of
> Christian Esteve Rothenberg
> Sent: Wednesday, December 12, 2012 6:12 PM
> To: Ben Pfaff
> Cc: Simhon Doctori; Ronen Solomon; discuss at openvswitch.org;
> ederlf at cpqd.com.br
> Subject: Re: [ovs-discuss] OVS support for OpenFlow 1.3 or 1.2 -
> specifically per flow meters feature
> Simhon, I know that you are asking about OVS, but in case you want to
> experiment with the flow metering features introduced in OF1.3, here is
> an implementation based on the reference switch design:
> https://github.com/CPqD/ofsoftswitch13
> There is also a companion NOX v1.3 to implement the corresponing app, or
> you can use the dpctl commands, e.g., to install a 10 Mbit metering
> entry:
> dpctl tcp:<switch-host>:<switch-port> meter-mod
> cmd=add,flags=1,meter=1 drop:rate=10000
> Soon we will be releasing a pre-configured VM that including Mininet
> 2.0, Wireshark, and oftest in addition to the 1.3 switch and NOX.
> BTW, Mininet 2.0 works very nicely to play with QoS features since they
> added neat BW and delay capabilities per link.
> One caveat on the switch above is that the current implementation
> forwards only around 200 Mbps, notably behind OVS performance. Work
> towards better performance will be done in Q1 of 2013. The current
> token-bucket implementation for rate limiting works but better accuracy
> shall be pursued as well during the next months.
> Best,
> Christian
> On Wed, Dec 12, 2012 at 1:48 PM, Ben Pfaff <blp at nicira.com> wrote:
>> On Wed, Dec 12, 2012 at 02:44:00PM +0200, Simhon Doctori wrote:
>>> One of the goals is to use per flow meters. Current OVS solution does
>>> not have this support although OpenFlow 1.3 does implement these
>>> objects.
>>> When are the plans to add this feature support and if possible to
>>> have a beta version for testing?
>> No one has mentioned working on support for per-flow meters.  If you
>> would like to contribute this feature, we are open to it.
>> _______________________________________________
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>> http://openvswitch.org/mailman/listinfo/discuss
> --
> Christian


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