--- meant to say "in combination with the ..."
On Tue, Apr 30, 2013 at 8:33 AM, Yiannis Yiakoumis <yiann...@stanford.edu>wrote: > 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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