[c-nsp] Re: Netflow traffic study

[Roland Dobbins]

NetFlow is eminently suited for these purposes.

Stager is a good open-source tool used to perform NetFlow analysis  
for traffic engineering purposes:

http://software.uninett.no/stager/

Arbor have a good commercial solution for this purpose, as well as  
for anomaly-detection:

http://www.arbornetworks.com/products_sp.php


On Dec 28, 2005, at 7:57 PM, Kanagaraj Krishna wrote:

> Hi,
>    I'm working for a medium size ISP providing transit services to  
> our customers. We are currently in the process of expanding our  
> network
> which includes addition to our upstream providers. In the process  
> of identifying where to put our money into, we want to study our  
> customers
> traffic pattern (destination, type of traffic, region etc) before  
> deciding on the most suitable  upstream provider that fits the bill
> (coverage and quality). One of the option that we are looking into  
> in doing these is the Netflow function on cisco routers. I have a few
> questions regarding this issue:
>
> - Any good (free/open source) software that can analyze (stats,  
> graph etc) Netflow data?
> - Any comments on the use of Netflow for this purpose?
> - Any other suggestions in reaching our objectives (other than  
> Netflow)?
>
> Hope to get input from you guys out there. Thanks.
>
> Regards,
> Kanagaraj Krishna
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Roland Dobbins <rdobbins at cisco.com> // 408.527.6376 voice

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