Performance of OpenVPN Server on Windows vs Linux?

mevans336

I am looking to deploy several servers and would like to consolidate everything on a Windows platform, because several other services must run on Windows and don't have Linux counterparts. I would like to deploy OpenVPN Server on these same Windows servers rather than deploying a dedicated Linux server for each one. (Virtualization is unfortunately not an option.)

If I am able to route approximately 100Mbps of traffic on my existing CentOS 6/7 machines (Xeon E3-1270 3.4GHz proc) using OpenVPN 2.3.6 at 25%-35% CPU load, am I in for a drastic drop if I move the OpenVPN servers to a Windows Server 2012 R2 platform?

Traffic

mevans336 wroteI am able to route approximately 100Mbps of traffic on my existing CentOS 6/7 machines (Xeon E3-1270 3.4GHz proc) using OpenVPN 2.3.6 at 25%-35% CPU load

Plus:

mevans336 wroteseveral other services must run on Windows and don't have Linux counterparts

mevans336 wroteam I in for a drastic drop if I move the OpenVPN servers to a Windows Server

I would expect some performance issues ..

mevans336

Traffic wroteI would expect some performance issues ..

Is the performance of the OpenVPN Server on Windows inherently worse than on Linux?

Traffic

Inherently no .. but I suspect your Windows server will be doing more than your CentOS machine was, judging by your initial post.

mevans336

Traffic wroteInherently no .. but I suspect your Windows server will be doing more than your CentOS machine was, judging by your initial post.

They will be, but things that only use 1%-2% CPU now under Windows on similar hardware, nowhere near the 70% or so that is available on our existing CentOS hardware. So as long as I can get 100Mbps of throughput on Windows for about that same 25%-35% CPU load, I'm golden.

Thank you for your knowledge.