Search Mailing List Archives


Limit search to: Subject & Body Subject Author
Sort by: Reverse Sort
Limit to: All This Week Last Week This Month Last Month
Select Date Range     through    

[mininet-discuss] Throughput of user switch very less than ovs with mininet

Seyyed Hesamoddin Ghasemi s.hesam.ghasemi at gmail.com
Fri Oct 16 16:05:42 PDT 2015


I have same problem with OVS throughput, it exceeds from my real host eth0
speed (1Gbps). Could somebody plz clarify what is happening?

On Fri, Sep 18, 2015 at 8:05 AM, Purnima Mohan <purnimamohan50 at gmail.com>
wrote:

> Dear all,
>
> The mininet topology with ovs switches gives a maximum throughput
> (measured using iperf) of around 30Gbps for OVS switch. Whereas the same
> with a user switch is much lesser than that (around 300kbps). Could you
> please clarify the reason for such a vast difference in throughput between
> ovs and user switch on the same system?
>
> *OVS:*
> #sudo mn --topo linear --controller remote --switch
> ovsk,protocols=OpenFlow13
> *** Creating network
> *** Adding controller
> *** Adding hosts:
> h1 h2
> *** Adding switches:
> s1 s2
> *** Adding links:
> (h1, s1) (h2, s2) (s2, s1)
> *** Configuring hosts
> h1 h2
> *** Starting controller
> c0
> *** Starting 2 switches
> s1 s2 ...
> *** Starting CLI:
> mininet> h1 ping h2
> PING 10.0.0.2 (10.0.0.2) 56(84) bytes of data.
> 64 bytes from 10.0.0.2: icmp_req=1 ttl=64 time=0.731 ms
> 64 bytes from 10.0.0.2: icmp_req=2 ttl=64 time=0.049 ms
> 64 bytes from 10.0.0.2: icmp_req=3 ttl=64 time=0.053 ms
> ^C
> Interrupt
> stopping h1
> mininet>
> mininet> iperf h1 h2
> *** Iperf: testing TCP bandwidth between h1 and h2
> *** Results: ['31.3 Gbits/sec', '31.3 Gbits/sec']
>
>
>
> *User switch:*
> #sudo mn --topo linear --controller remote --switch
> user,protocols=OpenFlow13*** Creating network
> *** Adding controller
> *** Adding hosts:
> h1 h2
> *** Adding switches:
> s1 s2
> *** Adding links:
> (h1, s1) (h2, s2) (s2, s1)
> *** Configuring hosts
> h1 h2
> *** Starting controller
> c0
> *** Starting 2 switches
> s1 s2
> *** Starting CLI:
> mininet>
> mininet> h1 ping h2
> PING 10.0.0.2 (10.0.0.2) 56(84) bytes of data.
> 64 bytes from 10.0.0.2: icmp_req=1 ttl=64 time=0.832 ms
> 64 bytes from 10.0.0.2: icmp_req=2 ttl=64 time=0.557 ms
> 64 bytes from 10.0.0.2: icmp_req=3 ttl=64 time=0.563 ms
> ^C
> Interrupt
> stopping h1
> mininet> iperf h1 h2
> *** Iperf: testing TCP bandwidth between h1 and h2
> *** Results: ['309 Kbits/sec', '319 Kbits/sec']
>
>
> --
> *Thanks & Regards,*
>
>
> *Purnima National University of Singapore*
>
>
> _______________________________________________
> mininet-discuss mailing list
> mininet-discuss at lists.stanford.edu
> https://mailman.stanford.edu/mailman/listinfo/mininet-discuss
>
>


-- 
Seyyed Hesamoddin Ghasemi
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.stanford.edu/pipermail/mininet-discuss/attachments/20151017/fbe25ae0/attachment-0001.html>


More information about the mininet-discuss mailing list