[ovs-discuss] A tool to feel-up flow-tables in ofproto

Sara Gittlin sara.gittlin at gmail.com
Wed Jul 19 11:12:24 UTC 2017


On Mon, Jul 17, 2017 at 8:21 PM, Ben Pfaff <blp at ovn.org> wrote:
> On Mon, Jul 17, 2017 at 10:47:12AM +0300, Sara Gittlin wrote:
>> On Sun, Jul 16, 2017 at 09:37:05AM +0300, Sara Gittlin wrote:
>> > On Wed, Jul 12, 2017 at 11:40:41AM +0300, Sara Gittlin wrote:
>> > > Thank you Ben
>> > >
>> > > >> I need a tool to feel up the flow tables in ofproto.
>> > > >> do you know what tool/other should i use ?
>> > >
>> > > >What does it mean "to feel up" a flow table?
>> > >
>> > > i want to be able to read ofctl tables and to get a big output ~ 10000
>> > > - 50000 flows.
>> > > i need it to order to run some algo. on these flows (e.g. try to
>> > > generate megaflows .. )
>> > > i know that i can do it with sdn controller -  is there other tools ?
>> >
>> > >Do you just want to run "ovs-ofctl dump-flows"?
>> > >
>> >>  Thanks Ben
>> >>  this can be an option, unless there is a better way to retrieve all
>> > > flows in ofproto
>>
>> > So far, you've said that you don't want to use a controller and you want
>> > something "better" than ovs-ofctl.  What would be better?  It's
>> > difficult to help when you don't give us much information on what you
>> > want.
>>
>> Ben,  i think i understand now.
>> I should use SDN controller , but how to create a big topology so lot
>> of flows can be created ?
>> mininet ? openstack ? other ?
>
> I'll have to leave that question to others, because it's not my area of
> expertise.  I do hear a lot of good things about mininet.
Alternatively - where  can i find a real dataset of the output  of
ovs-dpct dump-flows   or ovs-ofctl dump-flows br
this should be a big dump  file  of the output of one of these commands above
Thanks - Sara


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