[routing-wg]Re: Modelling a large ISP network with C-BGP

don't think so, unless you intend to pay for using it ;-) tx - /hannes

Alain Hebert wrote:
>    I'm I alone to find this a bit spammy?
> 
> Olivier Bonaventure wrote:
> 
>>
>> Dear All,
>>
>> C-BGP is an efficient and open-source simulation tool that allows to 
>> simulate the behavior of the intra- and interdomain routing protocols 
>> in large ISP networks. C-BGP is able to simulate networks with 
>> thousands of routers. A key feature ofco C-BGP compared to other 
>> simulators is that it is able to support the complex routing policies 
>> that are used by ISPs.
>>
>> Thanks to the support of France Telecom R&D, we have been able to use 
>> C-BGP to reproduce the behavior of BGP in a large Tier-1 ISP network. 
>> For this analysis, we have developped several tools to automatically 
>> convert the BGP configurations of Juniper (JUNOS) and Cisco (IOS) 
>> routers, the IGP topology and the BGP routes in the C-BGP format. With 
>> these tools, any network operator can easily build a C-BGP model of 
>> his/her network. With such a model, it is possible to perform 
>> different types of analysis on the ISP network, such as :
>>
>>  - predicting the flow of the traffic through the network or 
>> determining the traffic matrix based on Netflow data (see article in 
>> January issue of ACM SIGCOMM Computer Communication Review)
>>  - predicting the impact of adding a new peering link on the BGP 
>> routes selected by the routers (see article in Nov/Dec issue of IEEE 
>> Network Magazine)
>>  - predicting the impact of link or router failures on the ISP network
>>
>> You can obtain C-BGP, the conversion tools and several papers 
>> describing the utilization of C-BGP to model an ISP network or compute 
>> traffic matrices from :
>>
>>      http://cbgp.info.ucl.ac.be
>>
>> The website also contains several examples, such as a complete C-BGP 
>> model of the Abilene Network based on their publically available JUNOS 
>> configurations files.
>>
>> We believe that C-BGP could be very useful for ISPs willing to 
>> optimise the distribution and the selection of the BGP routes in their 
>> network. Comments, suggestions and questions from network operators 
>> are more than welcome.
>>
>> Best regards,
>>
>>
>>
>> Bruno Quoitin, Sebastien Tandel and Olivier Bonaventure
>>
>