On Tue, Aug 30, 2016 at 12:05:20PM +0200, ibrahim menem wrote: > I'm testing "weighted select groups" behaviour on ovs2.5 stable, I'm using > this command: > > ovs-ofctl -O OpenFlow15 add-group ovs0 "group_id=1,type=select, > selection_method=hash,fields(nw_src,nw_dst,tcp_src,tcp_dst), > bucket=bucket_id=1,actions=output:11,weight=$1, > bucket=bucket_id=2,actions=output:12,weight=$2" > > $1 and $2 correspond to the weights column below: > > Weights Measured Deviation > > 50/50 50/50 0 > 40/60 34/66 6 > 30/70 22/78 8 > 20/80 13/87 7 > 10/90 5.6/94.4 4.4 > 50/950 97/3 2 > > > Traffic pattern (using pktgen_dpdk and only tcp packets): > > dst.ip 2.0.0.1 -> 2.255.255.255 > src.ip 1.0.0.1 -> 1.255.255.255 > dst.port 1 -> 65000 > src.port 1 -> 65000 > pkt.size 1500 > > > I > believed that given enough traffic diversity, weights would be closer > to the configured ones! I tested against narrower and more realistic > traffic patterns but still having similar results, any suggestions?
It's interesting. If you find that some changes improve the accuracy of the split, please report your results. _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
