Hi Gert,
a CIFS from my home network is mounted in the PC running openvpn
client. I used command
dd=/dev/zero of=/mnt-point-of-CIFS/file bs=1M count=300. After
checking, the bottleneck is the
Internet speed. I also made a mistake . "top" shows openvpn
sometimes used 100% CPU with
CHACHA20-POLY1305 while in most of time it used 100% CPU with
AES-128-CBC. While in env that
Internet speed is better, I did see the performance of
CHACHA20-POLY1305 is better than AES-128-CBC.
Thanks for clarifying this issue and your work.
Tony
On 2019/6/13 上午2:53, Gert Doering wrote:
Hi,
On Wed, Jun 12, 2019 at 11:32:40AM +0100, Rui Santos wrote:
Correct me is I am wrong, but isn't the current implementation
(v2.4.7) of CHACHA20-POLY1305, only applicable to the control channel?
The master version in git, apparently already has support for it in
the data channel as well.
Forum post shows that this is indeed the cipher chosen for the data
channel, so "git master".
To the original poster: how was the file in question copied? scp? Which
process used what amount of CPU in "top"?
(If you use scp this brings its own encryption, so possibly scp is the
bottleneck here)
gert
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