North American Network Operators Group
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Re: Dampening considered harmful? (Was: Re: verizon.net and other email grief)

  • From: Yakov Rekhter
  • Date: Mon Dec 20 09:15:37 2004 
Jerry,

> >
> >	i've been wondering, since most people aren't using a
> >25xx class router for bgp anymore, and the forwarding planes
> >are able to cope more when 'bad things(tm)' happen, what the value
> >of dampening is these days.
> >
> >	ie: does dampening cause more problems than it tries to solve/avoid
> >these days.
> >
> >	- jared
> >
> 
> I don't know what takes more router resources;  dampening enabled 
> doing the dampening calculations, or no dampening and constantly 
> churning the BGP table.  I would assume dampening generally saves 
> router resources, or operators wouldn't chose to enable it.

another point to consider is the number of affected routers.

Yakov.