Hi Dom, Out of curiosity, I tried out testing tls throughput with iperf. Note that this is a bit of a hack, i.e., ldp can transparently convert tcp connections into tls connections if the right environment variables are set (see more [1]). Sporadically, this does exhibit some setup instability, probably because tls might return some partial data.
After this patch [2], in my testbed running 2 Xeon Gold 6146, I’m seeing this: Connecting to host 6.0.1.1, port 5201 [ 33] local 6.0.1.2 port 12620 connected to 6.0.1.1 port 5201 [ ID] Interval Transfer Bandwidth Retr Cwnd [ 33] 0.00-1.00 sec 1.56 GBytes 13.4 Gbits/sec 0 0.00 Bytes [ 33] 1.00-2.00 sec 1.57 GBytes 13.5 Gbits/sec 0 0.00 Bytes [ 33] 2.00-3.00 sec 1.57 GBytes 13.5 Gbits/sec 0 0.00 Bytes … - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bandwidth Retr [ 33] 0.00-30.00 sec 47.2 GBytes 13.5 Gbits/sec 0 sender [ 33] 0.00-30.00 sec 47.2 GBytes 13.5 Gbits/sec receiver Regards, Florin [1] https://wiki.fd.io/view/VPP/HostStack/LDP/iperf <https://wiki.fd.io/view/VPP/HostStack/LDP/iperf> [2] https://gerrit.fd.io/r/c/vpp/+/25477 <https://gerrit.fd.io/r/c/vpp/+/25477> > On Feb 25, 2020, at 4:15 PM, dchons via Lists.Fd.Io > <dchons=akouto....@lists.fd.io> wrote: > > Hi Florin, > > Thank you for your response. I used different rx/tx buffer sizes and it > didn't really make a difference. For this stage, it's good enough to know > that there are known performance limitations, thank you again for your help. > > Regards, > Dom
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