[139908] in North American Network Operators' Group
Re: VPN over slow Internet connections
daemon@ATHENA.MIT.EDU (Blake Hudson)
Fri Apr 22 13:24:57 2011
Date: Fri, 22 Apr 2011 12:24:42 -0500
From: Blake Hudson <blake@ispn.net>
To: nanog@nanog.org
In-Reply-To: <4DB06184.30508@mube.co.uk>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
-------- Original Message --------
Subject: VPN over slow Internet connections
From: Ben Whorwood <bw-ml@mube.co.uk>
To: nanog@nanog.org
Date: Thursday, April 21, 2011 11:55:32 AM
> Dear all,
>
> Can anyone share any thoughts or experiences for VPN links running
> over slow Internet connections, typically 2kB/s - 3kB/s (think 33.6k
> modem)?
>
> We are looking into utilising OpenVPN for out-of-office workers who
> would be running mobile broadband in rural areas. Typical data across
> the wire would be SQL queries for custom applications and not much else.
>
> Some initial thoughts include...
>
> * How well would the connection handle certificate (>= 2048 bit key)
> based authentication?
> * Is UDP or TCP better considering the speed and possibility of
> packet loss (no figures to hand)?
> * Is VPN over this type of connection simply a bad idea?
>
> Many thanks in advance.
>
> Kind regards,
> Ben Whorwood
>
I'm not sure what type of SQL you're using, but MySQL and MS SQL both
natively support (and can optionally require) SSL'd connections from
clients.
--Blake
