Thank you Tulio and Iwase for your answers.
On Fri, Feb 17, 2017 at 1:09 PM, Iwase Yusuke <iwase.yusu...@gmail.com>
wrote:
> Hi,
>
> Thanks Abbasi and Túlio!
> I miss-understood that.
>
>
> > Is *total_capacity = n_table * max_entries* correct?
>
> I guess it is right.
> but as Túlio said, it is highly depending on the implementation of your
> switch.
>
> When I tested a hardware switch before, the throughput of that switch
> declined significantly
> around the number of n_table * max_entries.
>
>
> Thanks,
> Iwase
>
> On 2017年02月15日 22:40, Túlio Pascoal wrote:
> > Hi Abbasi,
> >
> > Actually If you are working with openvswitch It has unlimited flow limit.
> >
> > If you are working with a hardware-based SDN switch you have to estimate
> the limite by getting its TCAM size (usually in MB) and check the size
> field of your installed flows. So that you can divide these numbers and
> have a ideia of how many flow rules your switch can support.
> >
> > By the way, are you working mainly about flow rule limitations? If so,
> please contact me by e-mail If you desire as it is part of my master thesis.
> >
> >
> > Best Regards,
> >
> >
> > Túlio Pascoal
> >
> > Em 15 de fev de 2017 10:01, "Moh'd Reza Abbasi" <mr.mrabb...@gmail.com
> <mailto:mr.mrabb...@gmail.com>> escreveu:
> >
> > Thank you Tulio andIwase, I appreciate your responses
> > Yes Tulio, you are right. I like to know about the total flow-table
> capacity, the maximum entries that can be inserted into the switch.
> >
> > I came to an understanding that openflow "ofp_switch_features"
> returns the number of tables (n_tables), and
> > "OFPMP_TABLE_FEATURES" returns the maximum entries that can be
> inserted into that particular table (max_entries). but how to know the
> total flow table capacity?
> >
> > Is *total_capacity = n_table * max_entries* correct?
> >
> >
> >
> >
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>
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