GPRS core network simulation

[Calogero Cannizzaro]

Hi mister Harald, 

thank you very much for your answer. I am an engineering student and I have started to work on my thesis. 

I would like to perform a GPRS core network completely using virtual machine (virtual box based) and use it to prove that an operator can manage M2M traffic just using standard hardware, virtual machine and open source components (osmocom project ). 

At this moment i deployed 4 virtual machine, one for each osmo component (osmoNITB, openGGSN, osmoSGSN) on the fourth VM I want to run the fakeBTS because I don't have a bts.

I would like to simulate it as if there are some M2M devices generate request(attach, pdp context for example).

When I try the communication between NITB and fakeBTS there are some error Messages related to RSL. Then there isn't communication between NITB-fakeBTS and SGSN-GGSN.

Do you detect any configuration error? 

Thank you.

Best regard

Calo





-------- Original message --------
Subject: Re: GPRS core network simulation 
From: Harald Welte <laforge at gnumonks.org> 
To: calogero cannizzaro <can_ni at hotmail.it> 
CC: "openbsc at lists.osmocom.org" <openbsc at lists.osmocom.org> 

Hi Calogero,

* what is the goal / use case of your simulation?
* what exactly do you need to simulate?
* what is the input/output of the simulation?

In general, the vaious Osmo-* implementations are not designed for
simulation buy for actual network operation.  So you will likely need to
implement quite a lot in order to use it in a simulation context.  The
most important question is, that you need code that will behave as
actual handsets on a network, and code to manage all those virtual
handsets, tell them what they should be doing, etc.
-- 
- Harald Welte <laforge at gnumonks.org>   http://laforge.gnumonks.org/
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