[afnog] Bandwidth manager

Mark Tinka mtinka at globaltransit.net
Mon Jul 21 09:48:36 UTC 2008

On Monday 21 July 2008 16:59:07 samuel kanyike wrote:

> I need some advise here on a good tool commercial or open
> source which can help me manage BD with features like
> firewall, Bandwidth Prioritization, Committed and
> Burstable BD, Time-based Bandwidth Allocation, BD
> allocation per IP or user. I'm looking at managing about
> 500 nodes.

If you have (Cisco) routers connecting your users, all these 
tools are available provided you have the right operating 
system release (although I wouldn't run the firewall 
feature on the router).

The problem with doing this on routers is whether the 
features run in hardware (better, minimal to no performance 
impact) or software (scalability limited by complex 
policies and/or increase in user traffic).

I had great luck with appliance-type bandwidth managers, 
e.g., ET, but that became problematic as our edge routers 
began to increase and become more distributed - hence the 
shift to router-based bandwidth management.



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