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RE: [Openvpn-users] Scalability?


  • Subject: RE: [Openvpn-users] Scalability?
  • From: Andreas Iwanowski <namezero@xxxxxxxxx>
  • Date: Tue, 1 Mar 2005 09:25:56 -0500

Though not recommended, you can run OpenVPN without (client) certificates.
The clients only need the root certificate in this scenario, to verify the server.
The server(s) would need certificates. The clients are authenticated using a username/password. You would have to write a script to authenticate against RADIUS, but there is one for PAM.
Look into the --auth-user-pass-verify directive for more information

-andy



-----Original Message-----
From: Mario Gonzalez [mailto:twsmapg@xxxxxxxxx] 
Sent: Tuesday, March 01, 2005 8:53 AM
To: Leonard Isham
Cc: Mario Gonzalez; openvpn-users@xxxxxxxxxxxxxxxxxxxxx
Subject: Re: [Openvpn-users] Scalability?

The application is more like telnet than gigabyte file transfers.
Something like 5k/hour/client. There are no serious peaks except for
restart scenarios, where all the clients are re-connecting.

What initially concerns us are the requirements for handling all the
certificates.

br
mario;

On Tue, 2005-03-01 at 08:09 -0500, Leonard Isham wrote:
> On Tue, 1 Mar 2005 10:41:22 +0000 (UTC), Mario Gonzalez
> <mario.gonzalez@xxxxxxxxx> wrote:
> > Hi,
> > 
> > we are currently in the process of evaluating openvpn for use in one of our
> > projects. The project would include the use of 10000+ clients. Openvpn docs
> > state that it scales to 'hundreds or thousands of users', but what about further
> > scalability? Does anyone have any experience with such a high number of clients?
> > How would it impact the server-side? Is it possible to do?
> > 
> 
> Scalability depends on load characteristics.  What is your average
> user's expected bandwidth usage and where are the peaks?  10000 users
> running telnet is different from 10000 users transferring gigabyte
> files 8-10 hours a day.
> 
> 

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