[c-nsp] shaping: which platform to choose and where to place

[Phil Bedard]

http://www.etinc.com/ will probably be your most cost effective  
solution.

Phil


On Oct 3, 2007, at 11:00 AM, Roman Bestuzhev wrote:

> Hello,
>
> I am looking for bandwidth shaping hardware platform in order to  
> restrict
> bandwidth for 200-500 customers which are connected to cisco based  
> network
> (3550/2950 switches). There is no speed limit inside campus LAN but  
> only for
> connection to Internet. Internet connection is provided by 2 ISPs  
> which are
> connected to campus LAN via two border routers (currently cisco  
> 2811 an
> Linux-box). I am looking for something which could handle 100-200  
> Mbps and
> shape 300-500 customers (300 - 500 different classes of traffic  
> which can be
> single IP address or IP subnets).
>
> My question is what platform to choose in my case. I have  
> experience with
> Linux-boxes which perform shaping very well on speed 10-20 Mbit/s  
> having
> just doesen static routes. But I am not sure how good they are in  
> case of
> 100-200 Mbit/s. Are there another platforms (Cisco and other  
> vendors) which
> could shape such amount of customers on 100 Mbit/s and higher speeds?
>
> In case of cisco I am thinking about 7200 router. Can anybody tell  
> what
> number of shapers/policers are supported on 2811 and 7200 and how  
> well could
> 7200 perform shaping of such amount of customers on that speed in real
> environment? Is it also a good practice to place shaping and  
> possibly NAT on
> the border router with BGP full view or there should be separated  
> devices
> for each function?
>
> What are another platforms which I can use as separate shaper  
> device? I
> heard about packeteer but I don't know about their products much.
>
>
> Thanks in advance,
>
> -- 
> Roman Bestuzhev,
> System Administrator
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Phil Bedard
philxor at gmail.com