[Openvpn-devel] Wintun performance results

[David Sommerseth]

On 15/05/2019 16:49, Илья Шипицин wrote:
> it will most probably get lost in mailing list.
> can we add it to https://openvpn.net website ? something like "performance
> testing" with full configs provided ?

Good idea, but maybe not the official corp web pages just yet.  But we should
definitely have some wiki pages under https://community.openvpn.net/ related
to how to prepare a good setup for performance testing.


-- 
kind regards,

David Sommerseth
OpenVPN Inc


> ср, 15 мая 2019 г. в 18:49, Lev Stipakov <lstipakov at gmail.com
> <mailto:lstipakov at gmail.com>>:
> 
>     Hi guys,
> 
>     I made openvpn3 (required changes will be incorporated into main branch at
>     some point) work with wintun and did performance testing in AWS.
> 
>     Client:    c5.xlarge, Windows Server 2016, patched openvpn3 test client
>     and OpenVPN Connect 2.7.1.103 (uses tap-windows6, based on openvpn3).
> 
>     Server:  c5.xlarge, Ubuntu 18.04, openvpn 2.4.4
> 
>     Client and server instances are in the same VPC and placement group.
> 
>     iPerf3 running on server:
> 
>     > iperf3 -s -B 0.0.0.0 -V
> 
>     iPerf3 running on client:
> 
>     > iperf3 -c 10.8.0.1 -V (server VPN address)
>     > iperf3 -c 10.0.0.18 -V (server VPC address)  
> 
>     Results:
> 
>     - no vpn
> 
>     [ ID] Interval           Transfer     Bandwidth
>     [  4]   0.00-10.00  sec  8.67 GBytes  7.45 Gbits/sec                  sender
>     [  4]   0.00-10.00  sec  8.67 GBytes  7.45 Gbits/sec                  receiver
>     CPU Utilization: local/sender 61.4% (5.6%u/55.8%s), remote/receiver 33.9%
>     (1.7%u/32.2%s)
> 
>     - tap-windows6
> 
>     [ ID] Interval           Transfer     Bandwidth
>     [  4]   0.00-10.00  sec   404 MBytes   339 Mbits/sec                  sender
>     [  4]   0.00-10.00  sec   404 MBytes   339 Mbits/sec                  receiver
>     CPU Utilization: local/sender 4.6% (0.3%u/4.3%s), remote/receiver 21.4%
>     (2.2%u/19.2%s)
> 
>     - wintun
> 
>     [ ID] Interval           Transfer     Bandwidth
>     [  4]   0.00-10.00  sec   536 MBytes   449 Mbits/sec                  sender
>     [  4]   0.00-10.00  sec   536 MBytes   449 Mbits/sec                  receiver
>     CPU Utilization: local/sender 2.9% (0.1%u/2.8%s), remote/receiver 10.1%
>     (0.7%u/9.3%s)
> 
>     As you see, wintun performs 30% better comparison to tap-windows6 and
>     incurs significantly less CPU usage.
> 
>     -- 
>     -Lev

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