Academic project based on OpenGGSN

Manuel José Muñoz Calero manuelj.munoz at gmail.com
Tue Mar 22 14:22:07 UTC 2016


Fair enough.
Thanks for your time and comments.
El 22/3/2016 15:15, "Harald Welte" <laforge at gnumonks.org> escribió:

> Hi Manuel,
>
> On Tue, Mar 22, 2016 at 02:18:48AM +0100, Manuel José Muñoz Calero wrote:
> > Well, the idea was to use libipsec to integrate IPSec functionality into
> > OpenGGSN code, so OpenGGSN itself could set IPSec parameters and start
> > connection.
>
> I don't think this is a good idea at all, sorry.
>
> IPsec is a feature provided by the operating system, and it is very well
> (and efficiently) handled by doing all the per-packet operations inside
> the kernel itself.  Only the control (key handshake) is done in
> userspace, and three are several implementations of the IKEv1/IKEv2
> protocols out there.  There's no need to replicat that functionality in
> OpenGGSN.
>
> > What about writting a GTP traffic open source analyzer?
> > I started writting it a couple of years ago.
> > I used tcpdump output and parsed it with awk and got statistics about
> many
> > things (especially errors, packets per protocols counting...).
> > It could be written in C this time.
>
> I suggest you to have a look at the wireshark infastructure in the
> 'Statistics' / 'Telephony' menus.  They do pretty nice for other
> protocols like TCP or SIP.
>
> --
> - Harald Welte <laforge at gnumonks.org>
> http://laforge.gnumonks.org/
>
> ============================================================================
> "Privacy in residential applications is a desirable marketing option."
>                                                   (ETSI EN 300 175-7 Ch.
> A6)
>
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