BGP Scalability Simulation

Tue Sep 2 17:35:28 UTC 2008

Moazzam,

Do you have something specific in mind you want to measure? e.g.  
convergence times, table size, update count, etc? the scope of your  
study seems to broad as you describe it..
Cheers,

--Ricardo

On Sep 1, 2008, at 12:57 PM, Moazzam Khan wrote:

> Thanks Stefan for your reply.
>
> Basically the goal of this testing is to study the BGP scalability  
> issues in
> the internet sometime in future lets say 10 years from now and try  
> to find
> out what problems it could face . I am trying to use ns2 as my  
> simulation
> environment.
>
> Can you suggest how I can set up the envrionment for this kind of  
> study and
> what parameters should I try to caputre.
>
> Regards
> MAK
>
> On Mon, Sep 1, 2008 at 3:51 PM, Fouant, Stefan  
> <Stefan.Fouant at neustar.biz>wrote:
>
>>  Topology and setup of these kinds of tests largely depend on  
>> whether you
>> are testing iBGP or eBGP. In my experience, eBGP testing is fairly  
>> straight
>> forward as you are almost always testing reconvergence of the BGP  
>> next-hop.
>> iBGP testing scenarios on the other hand can be quite a bit more  
>> complex as
>> you may also be testing the reconvergence of the underlying IGP if  
>> the BGP
>> next-hop remains unchanged. Can you describe your testing goals and
>> environment in a bit more detail?
>>
>> Stefan Fouant
>> Principal Network Engineer
>> NeuStar, Inc. - http://www.neustar.biz
>> GPG Key ID: 0xB5E3803D
>>
>>
>> ----- Original Message -----
>> From: Moazzam Khan <emoazzam at gmail.com>
>> To: nanog at nanog.org <nanog at nanog.org>
>> Sent: Mon Sep 01 15:37:19 2008
>> Subject: BGP Scalability Simulation
>>
>> Hi
>>
>> I am trying to simulate BGP for scalability testing. I have few  
>> queries.
>>
>>
>> 1) What sort of topology I should try out ?
>>
>> 2) What parameters should I test?
>>
>> I am trying to simulate it in ns-2  and i would appreciate reply  
>> from you
>> guys.
>>
>> Regards
>>
>> MAK
>>