Hi Carlos, - Yes, the linksys AP has a small cpu and in comparison with the userspace openflow implementation it might be the bottleneck. The TP-Link box performs much better. - What bandwidth do you try to stream? IIRC, the linksys could go up to ~10Mbps for a single flow. - Make sure that the flows are installed correctly and you don't get any misses that try to reach the controller (i.e. check that your stats are updated properly during the stream) - To roll-back to non-OF use you need to stop the openflow daemon, and change your /etc/config/network file so that the bridge between wired and wireless is properly setup (I believe the original network configuration that comes with openwrt should work)
Let me know how this goes, Regards, Yiannis On Thu, Apr 25, 2013 at 1:28 PM, Carlos Patricio Amigo Haering < cam...@udec.cl> wrote: > Hello everybody, > > I'm doing some experiments and I have a weird behaviour(at least for me) > and I hope that you'll help me to figure out it. Let me explain myself: > > Firstly, I did the following NON-Openflow setup: > http://imageshack.us/a/img21/**9611/nonof.png<http://imageshack.us/a/img21/9611/nonof.png> > > The video streaming server (wired host) streams a video from a file using > VLC and RTSP as transmission method. The client connected wirelessly to the > access point receives the video using VLC as well. This setup allows the > client to receive successfully the video. Also, the ping has a RTT average > of 4-5 ms. > > On the other hand, I did the Openflow version of the previous setup: > http://imageshack.us/a/img835/**8893/36915524.png<http://imageshack.us/a/img835/8893/36915524.png> > > After add the respective flows and using the exactly same method and video > file to stream the video from the wired host to the client , I can't > receive the video, barely I receive fragments of video's audio and pings > shows a RTT average around 12-13 ms. Why this is happening? I tried too, > using a HP Procurve 2500yl-24G instead of a PC as a Openflow Switch getting > the same results. Exists a big difference between both performances. > > My main suspect is the Access point Openflow (Pantou), the AP now is using > Openflow, so, the packets go through the CPU and this device has a tiny > processor. Could be this the problem? So, in this case, How o where the > OpenWRT (without OF extension) process the packets in the first setup? > > What do you think? > > I really appreciate some help. > > > Regards. > > ______________________________**_________________ > openflow-discuss mailing list > openflow-discuss@lists.**stanford.edu<openflow-discuss@lists.stanford.edu> > https://mailman.stanford.edu/**mailman/listinfo/openflow-**discuss<https://mailman.stanford.edu/mailman/listinfo/openflow-discuss> >
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