Hi All, Thanks for the information. Currently the OpenFlow switches at BBN site are running OpenFlow 1.0 version. I need to use the old specification to conduct the experiment.
Thanks, Anand On Wed, Feb 22, 2012 at 4:01 PM, Andrew Ferguson <a...@cs.brown.edu> wrote: > > On Feb 22, 2012, at 3:39 PM, ANAND AKELLA wrote: > > Has anybody tried implementing QoS feature using OpenFlow switch. We need > help in understanding the feature and how we can implemented it using > OpenFlow. > > > In addition to the OFPAT_ENQUEUE action, the reference userspace switch > also supports queue configuration as an OpenFlow extension: > http://www.openflow.org/wk/index.php/Slicing > > It, too, is just configuring the Linux QoS implementation under the hood > (it calls out to /sbin/tc ) > > > Also, if I'm not mistaken (still a newbie here!), the OpenFlow 1.1 spec > supports matching on the ToS bits, so couldn't you write a flow rule which > matches on the ToS bits and has OFPAT_SET_QUEUE as the action (looks like > 1.1 has changed the name from OFPAT_ENQUEUE)? Then you wouldn't need a > controller involved at all... > > > cheers, > Andrew >
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