Hi all,
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?
Thanks,
Ibrahim
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