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
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
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.
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